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2 ↑top
2D printer 2D printer from a 3D printer
 
3 ↑top
3018Pro CNC 3018Pro
360 degree camera Insta360 Air
3D Printer 2D printer from a 3D printer
  DIY plastics granule extruder version 2
  DIY plastics granule extruder version 2
  DIY plastics granule extruder
  LK5 Pro: Minimize warping
  Overview 3D printers
  Plotter from a 3D printer
  Review Anet A8 3D printer
  Review Anet E10 3D printer
  Review Anycubic i3 Mega 3D printer
  Review Anycubic Kossel 3D printer
  Review CR-10S 3D printer
  Review CR-10V2 3D printer
  Review Creality CR-10
  Review Ender 3D printer
  Review Geeetech E180 3D printer
  Review JG Aurora A3S 3D printer
  Review Kywoo Tycoon 3D printer
  Review Longer Orange 10 DLP printer
  Review Mingda D2 3D printer
  Review Tevo Michelangelo 3D printer
  Review Tronxy p802 3D printer
  Review Tronxy X5 3D printer
  Review Zonestar M8R2 3D printer
  Review Zonestar QA 3D printer
  Review Zonestar QR2 3D printer
  Shopping tips Gearbest
 
4 ↑top
4 stroke engine Amanco stationary engine
  Electric generator experiment
 
8 ↑top
8 bit converter Oscilloscope
 
A ↑top
Absolute error Observational error
Absolute zero Temperature measurement
AC motor AC motor
  Synchronous motor
AC relay Relay
AC voltage AC voltage
Acceleration Acceleration
  Java acceleration
  Power balance
Accuracy Oscilloscope
Acid Standard electrode potential
Acidic Standard electrode potential
Actinides Periodic table
  PTE table
Activation energy Chemical reaction
Active integrator Function generator
Adder Computing
Address PC: Amplifying ICs
Adjustable joints Adjustable joints
Advertisements Advertisements Amazon
  Shopping tips Gearbest
Air resistance Car design
  Power balance
Airresistance Airresistance
  Wind tunnel
Alkali metal Periodic table
Alkaline battery Primary Batteries
Alkaline earth metal Periodic table
Alkaline Standard electrode potential
Alternating current AC voltage
Amanco Amanco stationary engine
Amazon Advertisements Amazon
Ampere-hours Batteries
Ampere Current and resistance
  Measurement
Amperemeter Current & voltage measurement
Amplifier Amplifying circuits
AND gate Logic gates
Anet A8 Review Anet A8 3D printer
Angle of rotation Torque curve
Animation Demultiplexer PC: Amplifying ICs
Anion Chemical equation
  Electrolysis
Annet E10 Review Anet E10 3D printer
Anode Electrolysis
Anodizing Corrosion prevention
Anycubic i3 Mega Review Anycubic i3 Mega 3D printer
Anycubic Kossel Review Anycubic Kossel 3D printer
Apache Webserver File upload via browser
  PC: Apache Webserver
Aperture L2 control panel - RoboSpatium
Aqueous solution Electrolysis
Arc Relay
Archive News archives before 2016
Arduino IDE PC: Arduino IDE
Arduino shield PC: LED matrix
Arduino Uno. Build instruction CNC V2.0
Arduino Uno Arduino Uno microcontroller
  CNC V0.5
  CNC V0.6
  CNC V2.1
  CNC V3.0
  CNC V3.1 (printer)
  CNC V3.2 (Router)
  CNC V3.2.1 (DC motors)
  Electric generator experiment
  HP6602 printhead
  PC: Apache Webserver
  PC: Basic communication
  PC: Demo-console servo drives
  PC: Digital ruler
  PC: Microcontroller hardware
  PC: Read switching states
  PC: Secure Communication Terminal
  PC: Switching LEDs
  Physical computing
  Plasma printer
  R15 construction
  R18 construction
  R5 construction
  Robot arm v0.1
  Robotic arm v1.0
  WinchBot
  World printer
Arduino PC: Introduction
Armature Electrically excited DC motor
  Relay
Astable multivibrator Multivibrator
Asynchronous counter Computing
Asynchronous motor Asynchronous motor
Asyncronous motor (Java) Java asynchronous motor
ATmega328P Microcontroller set
  PC: Microcontroller hardware
Atom Atoms
Atomic bond Chemical equation
  Chemical reaction
Atomic mass PTE table
Atomic model Atoms
Atomic nucleus Atoms
Atomic orbital model Silicon
Atomic weight Batteries
  PTE table
Aufbau principle PTE table
Avogadro constant Batteries
 
B ↑top
Background activity Python: switching GPIOs
Balance of forces Static and kinetic friction
Ball-and-stick model Silicon
Band structure Electronic band structure
Band-pass filter RC circuit
Bandgap Electronic band structure
Bandwidth RC circuit
Barkhausen effect Magnetic hysteresis
Base (chemistry) Standard electrode potential
Base current Bipolar junction transistor
Base metal Standard electrode potential
Base units Measurement
Base voltage Bipolar junction transistor
Base-2 system Computing
Base Bipolar junction transistor
Basic (chemistry) Standard electrode potential
Battery management Secondary batteries
Battery Primary Batteries
BD135 Bipolar junction transistor
BDC Four stroke engine
Bimetallic strip thermometer Temperature measurement
Binary number Computing
Biot-Savart Inductors
Bipolar junction transistor (Java) Java bipolar junction transistor
Bipolar Junction Transistor Bipolar junction transistor
  Bipolar junction transistor
Bit Computing
Blog News 2016
  News 2017
  News 2019
  News archives before 2016
  News
  News
  News
Bohr model Atoms
Bottom dead centre Four stroke engine
Brain game Memory
  Number sequence
Brushed motor DC permanent magnet motor
Brushless motor R15 construction
  Synchronous motor
Build instruction CNC V0.5
  CNC V0.6
  CNC V1.0
  CNC V2.1
  CNC V3.0
  CNC V3.1 (printer)
  CNC V3.2 (Router)
  CNC V3.2.1 (DC motors)
  CNC V3.2.2 (Router)
  Construction details Lander
  Plotter from old CDROMs
  R10 construction
  R11 construction
  R12 construction
  R13 construction
  R14 construction
  R15 construction
  R18 construction
  R19 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Robot arm v0.1
  Robotic arm v1.0
  Rover construction
  V plotter
  WinchBot 1.5
  WinchBot 2.0
  WinchBot
Button cell Primary Batteries
Byte Computing
 
C ↑top
Calculating machines Computer introduction
Calculation game Calculation game
Calibration Observational error
Calotte-model Silicon
Camera arm Construction details Lander
Camera Lunar eclipse 2015
Camshaft Four stroke engine
Can-stack motor Stepper motors
Candela Measurement
Capacitance Capacitor
capacitor) Self-Switching operation
  Self-Switching operation
Capacitor Capacitor
Capacity Batteries
Carburetor Four stroke engine
Cardan shaft Adjustable joints
Cathode Electrolysis
Cation Chemical equation
  Electrolysis
CDROM Plotter from old CDROMs
Celcius Temperature measurement
Cell balancing Secondary batteries
Cent-Prize Cent-Prize winners RoboSpatium
Changeover switch Relay
Charge Static electric fields
Charging (inductor Self-Switching operation
Charging Secondary batteries
Chemical equation Chemical equation
  Chemical equation
  Chemical reaction
  Redox reaction
Chemical equilibrium Chemical equation
Chemical formula Chemical equation
Chemical reaction Chemical equation
  Chemical reaction
  Redox reaction
Circuit symbols Circuit Symbols
Circular current Eddy currents
Clipping Amplifying circuits
Closed loop gain Operational amplifiers
Closed Loop PC: Demo-console servo drives
CNC 3018Pro CNC 3018Pro
CNC Machine CNC 3018Pro
  CNC V0.6
  CNC V2.0
  CNC V2.1
  Laser Master 2 Pro
CNC Roter Review Next3D
CNC shield Robotic arm v1.0
CNC v0.5 CNC V0.5
CNC v1.0 CNC V1.0
CNC v3.0 CNC V3.0
CNC v3.1 CNC V3.1 (printer)
CNC v3.2.1 CNC V3.2 (Router)
CNC v3.2.2 CNC V3.2.2 (Router)
CNC v3.2 CNC V3.2.1 (DC motors)
CNC CNC 3018Pro
  CNC V0.5
  CNC V0.6
  CNC V2.0
  CNC V2.1
  CNC V3.2.2 (Router)
  CNC V3.x series
  Laser Master 2 Pro
  NEJE KZ3000 laser engraver
  Review CNC engraver T8
  Review Next3D
Coercive field strength Magnetic Hysteresis
Coercivity Magnetic Hysteresis
  Magnetic materials: hard or soft?
Cogging torque Model motor
Collector current Bipolar junction transistor
Collector voltage Bipolar junction transistor
Collector Bipolar junction transistor
Combustion chamber Four stroke engine
Command signal Servos
Commandline parameters Python: Commandline parameters
Comment system Response
Common Row Anode PC: LED matrix
Common Row Cathode PC: LED matrix
Communication Terminal PC: Secure Communication Terminal
Commutator DC permanent magnet motor
Comparator Operational amplifiers
Compression ratio Four stroke engine
Computer mouse Computer mouse
Computer Arduino Uno microcontroller
  Computer introduction
Conduction band Electronic band structure
Conductivity Electronic band structure
Conductor plate Eddy currents
Conductor Electronic band structure
Conservation of mass Chemical equation
Constant current Constant voltage
Constant resistance Voltage divider
Constant speed Power balance
Constant velocity Speed
Constant voltage Constant voltage
Contact bounce PC: Read switching states
  Relay
Contact Contact
Contibution Financial backers
  Support me
  Support me
Continuous band Electronic band structure
Control circuit Arduino Uno microcontroller
  Servos
Controller Arduino Uno microcontroller
Copper loss Efficiency
copyleft Imprint
Core loss Efficiency
Corrosion prevention Corrosion prevention
Corrosion Corrosion prevention
  Corrosion
  Standard electrode potential
Counter Computing
Covalent bond Chemical reaction
Crankshaft Four stroke engine
Creality CR-10 Review Creality CR-10
Creality CR-10S Review CR-10S 3D printer
Creality CR-10V2 Review CR-10V2 3D printer
CRES Corrosion prevention
Cross-conduction H bridge
Crossover Amplifying circuits
Cruising range Car design
Crystal lattice Silicon
Crystal structure Silicon
Crystalline defect Doping
Curie temperature Magnetic materials: hard or soft?
Curiosity Pi R3 construction
Current gain Bipolar junction transistor
Current Current & voltage measurement
  Current and resistance
Cut-off frequency RC circuit
CW value Airresistance
  Wind tunnel
Cylinder head Four stroke engine
Cylinder liner Four stroke engine
Cylinder Four stroke engine
 
D ↑top
D-latch Computing
Daemon Python: switching GPIOs
Darlington transistor Amplifying circuits
DC motor DC permanent magnet motor
  Electrically excited DC motor
  Stepper motors
DC relay Relay
Dead centre Four stroke engine
Decimal system Computing
Deep discharge Secondary batteries
Degauss Magnetic Hysteresis
Demultiplexer Computing
  PC: Amplifying ICs
Demuxer Computing
Depletion layer Diodes
Depletion type PC: N-channel MOSFETs
  PC: P-channel MOSFETs
Depth Of Discharge Secondary batteries
Destructive readout Computing
Detent torque Model motor
Diamagnetism Magnetic permeability
Diamond structure Silicon
Differential input voltage Operational amplifiers
Differentiator Function generator
Diffusion length Diodes
Diffusion Diodes
Digit Current & voltage measurement
Digital amplifying PC: Amplifying ICs
  PC: P-channel MOSFETs
Digital multimeter Current & voltage measurement
Digital number Computing
Digital ruler PC: Digital ruler
Digital servo Arduino Uno microcontroller
  Encoder disc
Digital Storage Oscilloscope (DSO) Oscilloscope
Digital-to-analog converter (DAC) Physical computing
Digitale amplifying PC: N-channel MOSFETs
Dipole Electrolysis
Direct drive Power output
Direct Extruder V2 DIY plastics granule extruder version 2
Direct Extruder V3 DIY plastics granule extruder version 2
Discharging (inductor Self-Switching operation
Discharging progress Secondary batteries
Discharging Secondary batteries
Discrete energy level Electronic band structure
Dissociation of water Standard electrode potential
Dissociation Electrolysis
  Standard electrode potential
Distance over time plot Speed
Division Oscilloscope
DLP printer Review Longer Orange 10 DLP printer
DOD Secondary batteries
Domains Magnetic hysteresis
Donation Financial backers
  Support me
  Wall of fame - RoboSpatium
  Wall of fame - RoboSpatium
Donations Support me
Dopant Doping
Doping Diodes
  Doping
Dot matrix printer 2D printer from a 3D printer
Double-Pole Double-Throw (DPDT) Relay
Downhill Car design
Download Downloads
Drag coefficient Airresistance
  Car design
drag race Java-application static and kinetic friction
Drag Car design
  Wind tunnel
Drain JFET
Dropout voltage Constant voltage
Dry cell Primary Batteries
DTL Logic gates
Dual extruder Review Zonestar QR2 3D printer
Dual system Computing
Duet rule Chemical equation
Duty cycle Pulse-width modulation
Dynamic braking H bridge
 
E ↑top
Earth metal Periodic table
Eddy current Eddy currents
Efficiency Efficiency
  Power output
electric engineering Contents
Electric field Static electric fields
Electric generator Electric generator experiment
Electric motor AC motor
  Asynchronous motor
  DC permanent magnet motor
  Efficiency
  Electrically excited DC motor
  Model motor
  Power output
  Stepper motors
  Synchronous motor
  Torque curve
Electric resistance Current and resistance
Electricity Static electric fields
Electrode potential PTE table
Electrode Electrolysis
Electrogalvanization Corrosion prevention
Electrolysis Electrolysis
Electrolyte Electrolysis
Electromagnet Relay
Electromagnetic induction Eddy currents
  Induction
Electromagnetism Magnetism
Electromecanical rotary encoder Electromechanical encoder disc
Electromotive force Induction
Electron acceptor Redox reaction
Electron configuration PTE table
Electron donor Redox reaction
Electron dot diagram Chemical equation
Electron drift Diodes
Electron hole Diodes
  Doping
Electron Atoms
  Static electric fields
Electronegativity Chemical reaction
Electronic band structure Electronic band structure
Electronic shell Atoms
Electroplating Corrosion prevention
Elektron energy Electronic band structure
Elementary charge Static electric fields
Elements electronegativity PTE table
Email Contact
Emitter follower Constant voltage
Emitter Bipolar junction transistor
Empirical formula Chemical equation
Encoder disc Electromechanical encoder disc
  Encoder disc
Ender Review Ender 3D printer
Endothermic reaction Chemical reaction
Energy conversion efficiency Efficiency
Energy conversion Power output
Energy level Electronic band structure
Energy Work, energy and power
Engine displacemant Four stroke engine
Engraver Review CNC engraver T8
Enhancement type PC: N-channel MOSFETs
  PC: P-channel MOSFETs
Equalizer. RC circuit
Error detection PC: Basic communication
Error limit Observational error
ESP32-CAM R18 construction
Example circuits ICs PC: Amplifying ICs
Example circuits N-channel MOSFET PC: N-channel MOSFETs
Example circuits P-channel MOSFET PC: P-channel MOSFETs
Exclusive or Logic gates
Exhaust valve Four stroke engine
Exothermic reaction Chemical reaction
Experiment Electric generator experiment
  Wind tunnel
External-rotor configuration Torque curve
Extruder V2 DIY plastics granule extruder version 2
Extruder V3 DIY plastics granule extruder version 2
Extruder DIY plastics granule extruder version 2
  DIY plastics granule extruder version 2
  DIY plastics granule extruder
 
F ↑top
F-Number L2 control panel - RoboSpatium
Face-centered cubic crystal structure Silicon
Fall time Transistors as a switch
Farad Capacitor
Faraday's law Induction
Ferromagnetic material Magnetic hysteresis
Ferromagnetism Magnetic hysteresis
  Magnetic permeability
Field lines Static electric fields
File upload File upload via browser
Films Encoder disc
Flat Flex Connetor (FFC) HP6602 printhead
Flexible Printed Cable (FPC) HP6602 printhead
Flip-flop Computing
  Multivibrator
Floating PC: Read switching states
Flyback diode PC: N-channel MOSFETs
  PC: P-channel MOSFETs
Focal length L2 control panel - RoboSpatium
Focus L2 control panel - RoboSpatium
Forbidden state Computing
Forklift R9 construction
Formulas Formulas
Forward chemical process Chemical equation
Four quadrant family Bipolar junction transistor
four stroke engine Amanco stationary engine
  Four stroke engine
Frequency AC voltage
Friction Static and kinetic friction
Full stepping Stepper motors
Function generator Function generator
Funduino Microcontroller set
 
G ↑top
Gain Amplifying circuits
  Bipolar junction transistor
Galling Four stroke engine
Galvanic cell Galvanic cell
Galvanization Corrosion prevention
Game Calculation game
  Memory
  Number sequence
  Number system game
  Quiz
Gate voltage PC: N-channel MOSFETs
  PC: P-channel MOSFETs
Gate JFET
Gated latch Computing
Gear drive Torque
Gearbest Shopping tips Gearbest
Geeetech E180 Review Geeetech E180 3D printer
Generator Electric generator experiment
Glow plug Four stroke engine
GoCNC Review Next3D
GPIO PC: Amplifying ICs
  PC: Amplifying ICs
  PC: LED matrix
  PC: N-channel MOSFETs
  PC: P-channel MOSFETs
  PC: Read switching states
  PC: Switching LEDs
  Physical computing
  Python: Commandline parameters
  Python: Pulse-width modulation
  Python: switching GPIOs
  Python: switching GPIOs
Granule extruder V2 DIY plastics granule extruder version 2
Granule extruder V3 DIY plastics granule extruder version 2
Granule extruder DIY plastics granule extruder
grbl PC: Apache Webserver
Ground state Electronic band structure
Group (periodic table) Periodic table
Group IV semiconductor Doping
 
H ↑top
H bridge H bridge
Half cell Galvanic cell
Half stepping Stepper motors
Half-metal Periodic table
Halogen Periodic table
Handbook Rover User guide Lander - RoboSpatium
Heat engine Electric generator experiment
Henry Self-inductance
Hertz AC voltage
Hi-Z PC: Read switching states
High pass filter RC circuit
High side transistor H bridge
Hold current Relay
Hold state Computing
Hot-dip galvanizing Corrosion prevention
Hoverboard R15 construction
HP6602 HP6602 printhead
  World printer
HQ camera L2 control panel - RoboSpatium
HQ Kamera Lander 2 construction
HUINA 1577 R9 construction
Hybridization Silicon
Hydratation Electrolysis
Hydronium ion Standard electrode potential
Hydronium Standard electrode potential
Hydroxide ion Standard electrode potential
Hydroxide Standard electrode potential
Hypothetical charge Redox reaction
Hypothetical ion Redox reaction
Hysteresis loop Magnetic Hysteresis
Hysteresis Magnetic Hysteresis
  Magnetic hysteresis
  PC: Read switching states
 
I ↑top
Ideal gate Logic gates
Ideal voltage source Constant voltage
Idle screw Four stroke engine
Impedance Amplifying circuits
  Current & voltage measurement
  Oscilloscope
Imprint Imprint
Impulse relay Relay
Impurity atom Diodes
  Doping
Induced voltage Induction
Inductance Self-inductance
Induction Eddy currents
  Induction
Inductor Eddy currents
  Induction
  Inductors
  Self-inductance
Inertia Acceleration
Initial magnetization curve Magnetic Hysteresis
Inkjet printer HP6602 printhead
  World printer
Inner impedance Oscilloscope
Inner resistance Constant voltage
  Oscilloscope
Inner-transition element Periodic table
Inox Corrosion prevention
Input characteristic Bipolar junction transistor
Input power Amplifying circuits
  Power output
Inrunner Torque curve
Insta360 Air Insta360 Air
Insulator Electronic band structure
Intake valve Four stroke engine
Integrator Function generator
Intensive property Temperature measurement
Internal pull-down PC: Read switching states
Internal pull-up PC: Read switching states
Internal resistance Batteries
International prototype kilogram Observational error
International system of units Measurement
Internet Of Things (IOT) Internet Of Things
Inverse mode Bipolar junction transistor
Inverting input Operational amplifiers
Ion activity Standard electrode potential
Ion Atoms
Ionic bond Chemical equation
  Chemical reaction
Ionization energy PTE table
Ionization potential Atoms
Ionization Atoms
IOT2020 CNC V3.2.2 (Router)
  R12 construction
  R13 construction
  WinchBot 2.0
Iron loss Efficiency
ISO L2 control panel - RoboSpatium
Isolation milling CNC 3018Pro
IUPAC Periodic table
 
J ↑top
Java program Java
Java runtime enviroment Java
Java Java acceleration
  Java application rolling friction
  Java asynchronous motor
  Java bipolar junction transistor
  Java diode
  Java junction field effect transistor
  Java magnets
  Java measurement
  Java speed
  Java-application "Tour de eco"
  Java-application static and kinetic friction
  Java
JFET (Java) Java junction field effect transistor
JFET JFET
  JFET
JG Aurora A3S Review JG Aurora A3S 3D printer
JK flip-flop Computing
Johnny boy Amanco stationary engine
Joints Adjustable joints
Jule UJ99-2815B R7 construction
Junction Field Effect Transistor JFET
Junction region Diodes
 
K ↑top
Kelvin Measurement
  Temperature measurement
Kilogram Measurement
Kinetic energy (Java) Java-application "Tour de eco"
Kinetic energy Work, energy and power
Kinetic friction Static and kinetic friction
Kinetic power Power balance
Koffer R19 construction
Kywoo Tycoon Review Kywoo Tycoon 3D printer
 
L ↑top
L2 L2 control panel - RoboSpatium
  Lander 2 construction
Lander 2 L2 control panel - RoboSpatium
  Lander 2 construction
Lander Construction details Lander
Lanthanides Periodic table
  PTE table
Laptop Computer WM8650
Laser engraver Laser Master 2 Pro
  NEJE KZ3000 laser engraver
  PC: Apache Webserver
Laser Master 2 Pro Laser Master 2 Pro
  PC: Apache Webserver
Laser CNC 3018Pro
  Laser Master 2 Pro
Latch Computing
  Multivibrator
LC-filter Constant voltage
LCD display (example circuit) Arduino Uno microcontroller
LCD project PC: Digital ruler
Lean mixture Four stroke engine
Least Significant Digit (LSD) Current & voltage measurement
LED clock PC: LED matrix
LED Matrix PC: LED matrix
LED PC: Switching LEDs
Lens 16mm Lander 2 construction
Lens 6mm Lander 2 construction
Lenses CNC V3.2.2 (Router)
Lenz's law Eddy currents
Lewis dot diagram Chemical equation
Lewis structure Chemical equation
Lifespan (batteries) Secondary batteries
Linear circuit Constant-resistance network
Linear regulator Constant voltage
links Links
Linux File upload via browser
  PC: Apache Webserver
Liqiud-in-glass thermometer Temperature measurement
Lithium battery Primary Batteries
Logic family Logic gates
Logic gate Logic gates
London Taxi London Taxi TX2
Longer LK5 Pro LK5 Pro: Minimize warping
Longer Orange 10 Review Longer Orange 10 DLP printer
Longer LK5 Pro: Minimize warping
Lorentz force Magnetism
Low pass filter RC circuit
Low side transistor H bridge
Low-dropout regulator Constant voltage
Low-order digit Computing
LTI London Taxi TX2
Lunar eclipse Lunar eclipse 2015
 
M ↑top
Magnet Magnets inside magnetic fields
Magnetic constant Magnetic permeability
Magnetic energy Energy in magnetic fields
Magnetic field strength Magnetism
Magnetic field Energy in magnetic fields
  Inductors
  Magnetism
  Magnets inside magnetic fields
Magnetic flux density Induction
  Inductors
  Magnetism
Magnetic flux Induction
Magnetic hysteresis Magnetic Hysteresis
  Magnetic hysteresis
Magnetic permeability Magnetic permeability
Magnetic pole Magnetism
Magnetic saturation Magnetic Hysteresis
Magnetically hard Magnetic materials: hard or soft?
Magnetically soft Magnetic materials: hard or soft?
Magnetism (Java) Java magnets
Magnetism Magnetism
Main group Periodic table
Majority carrier Diodes
Manual Rover User guide Lander - RoboSpatium
Maths Formulas
Matrix PC: LED matrix
Measurement units (Java) Java measurement
measurement Contents
  Measurement
  Observational error
Mechanical energy Work, energy and power
Mechanical performance Car design
Mechanical Power Work, energy and power
Mechanical work Work, energy and power
mechanics Contents
Megasamples per second (MS/s) Oscilloscope
Memory Memory
Mercury thermometer Temperature measurement
Metal Periodic table
Metallic bond Chemical reaction
Meter Measurement
Microcontroller Arduino Uno microcontroller
  Microcontroller set
  PC: Arduino IDE
  PC: Demo-console servo drives
  PC: Digital ruler
  PC: Introduction
  PC: Microcontroller hardware
  PC: Switching LEDs
Microscopic magnets Magnetic hysteresis
Milliampere-hours Batteries
milling machine CNC V0.5
  CNC V0.6
  CNC V1.0
  CNC V2.0
  CNC V2.1
  CNC V3.2 (Router)
  CNC V3.2.1 (DC motors)
  CNC V3.x series
Mingda D2 Review Mingda D2 3D printer
Mini Computer pi-top[4]
  Raspberry Pi Computer on a chip
Mixture screw Four stroke engine
Mol Batteries
  Measurement
Molecular formula Chemical equation
Molecule bond Chemical reaction
Molecule Chemical reaction
  Chemical reaction
Monostable multivibrator Multivibrator
Morse code PC: Basic communication
MOSFET PC: N-channel MOSFETs
  PC: P-channel MOSFETs
Motion detection (computer mouse) Computer mouse
Mule Team Amanco stationary engine
Multimeter Current & voltage measurement
Multiple-emitter-transistor Logic gates
Multiplexer Computing
Multiplexing PC: LED matrix
Multivibrator Multivibrator
  Relay
Muxer Computing
 
N ↑top
N-channel MOSFET PC: Amplifying ICs
  PC: N-channel MOSFETs
N-channel transistor JFET
N-type semiconductor Diodes
  Doping
NAND gate Logic gates
Negative feedback Operational amplifiers
Negative Temperature Coefficient Electronic band structure
NEJE KZ3000 NEJE KZ3000 laser engraver
Neutron Atoms
News 2016 News 2016
News 2017 News 2017
news News 2019
  News
  News
  News
  Welcome page
Next3D Review Next3D
NextPCB PC: LED matrix
No-current torque Model motor
Nobility Standard electrode potential
Noble gas Periodic table
Noble metal Periodic table
  Standard electrode potential
Noise voltage Oscilloscope
Noise Amplifying circuits
Non-inverting input Operational amplifiers
Non-shorting switch Relay
Nonmetal Periodic table
NOR gate Logic gates
NPN-transistor Bipolar junction transistor
NTC Electronic band structure
Number of bonds Chemical reaction
Number of poles Torque curve
Number sequence (game) Number sequence
Number system (game) Number system game
 
O ↑top
Observational error Observational error
Octet rule Chemical equation
Ohm's Law (examples) Constant-resistance network
Ohm Current and resistance
Ohmic region PC: N-channel MOSFETs
Ohmmeter Current & voltage measurement
Omniwheels R19 construction
Op-amp Operational amplifiers
  PC: Amplifying ICs
Open loop gain Operational amplifiers
Open Loop PC: Demo-console servo drives
Operating point Amplifying circuits
Operational amplifier Operational amplifiers
  PC: Amplifying ICs
OR gate Logic gates
Orange 10 Review Longer Orange 10 DLP printer
Orbital Atoms
  Silicon
Ortur Laser Master Laser Master 2 Pro
  PC: Apache Webserver
Oscilloscope Oscilloscope
Output characteristic Bipolar junction transistor
Output impedance Constant voltage
Output power Amplifying circuits
  Power output
Output resistance Voltage divider
Outrunner Torque curve
Overflow Computing
Oxidants Redox reaction
Oxidation number Chemical reaction
Oxidation state PTE table
  Redox reaction
  Standard electrode potential
Oxidation Redox reaction
  Standard electrode potential
Oxidizing agents Redox reaction
Oxonium ion Standard electrode potential
Oxonium Standard electrode potential
 
P ↑top
P-channel MOSFET PC: Amplifying ICs
  PC: P-channel MOSFETs
P-channel transistor JFET
P-type semiconductor Diodes
  Doping
P/N junction (Java) Java diode
Parallel circuit Constant-resistance network
Parallel wound motor Electrically excited DC motor
Paramagnetism Magnetic permeability
Parasitic diode PC: Amplifying ICs
Partial probe Oscilloscope
Passivation Corrosion prevention
PCB CNC 3018Pro
Peak-to-peak-voltage AC voltage
Period AC voltage
  Periodic table
Periodic table of elements PTE table
Periodic table Periodic table
  PTE table
Periodic time AC voltage
Permanent magnet stepper Stepper motors
Permanent magnet Magnets inside magnetic fields
Permeability Magnetic permeability
  Magnetism
pH Standard electrode potential
Phase angle RC circuit
Phase change Temperature measurement
Physical compujting PC: Switching LEDs
Physical computing File upload via browser
  Microcontroller set
  PC: Amplifying ICs
  PC: Amplifying ICs
  PC: Apache Webserver
  PC: Apache Webserver
  PC: Apache Webserver
  PC: Arduino IDE
  PC: Hardware Raspberry Pi
  PC: Introduction
  PC: LED matrix
  PC: Microcontroller hardware
  PC: N-channel MOSFETs
  PC: P-channel MOSFETs
  PC: Read switching states
  PC: Secure Communication Terminal
  PC: Software Raspberry Pi
  Physical computing
  Python: Commandline parameters
  Python: Pulse-width modulation
  Python: switching GPIOs
  Python: switching GPIOs
pi-top pi-top[4]
  R14 construction
pi-top[4] pi-top[4]
  R14 construction
Picture gallery Picture gallery RoboSpatium
PID controller Arduino Uno microcontroller
PIPO Computing
Piston seizure Four stroke engine
Plasma printer Plasma printer
Plotter CNC V1.0
  CNC V3.0
  CNC V3.x series
  Plotter from a 3D printer
  Plotter from old CDROMs
  V plotter
Plum pudding model Atoms
PNP-transistor Bipolar junction transistor
Posistor Electronic band structure
Position control Servos
Positive feedback Operational amplifiers
Positive Temperature Coefficient Electronic band structure
Potential energy (Java) Java-application "Tour de eco"
Potential energy Work, energy and power
Potential power Power balance
Potential Voltage
Power balance Power balance
Power dissipation Bipolar junction transistor
Power output Power output
Power rail Power rail system
Power Current and resistance
Primary battery Primary Batteries
Primary cell Primary Batteries
Print head CNC V1.0
Print method LK5 Pro: Minimize warping
Printer CNC V3.1 (printer)
  HP6602 printhead
  Plasma printer
  Transmissive optical sensors
  World printer
Printhead HP6602 printhead
  World printer
Project car London Taxi TX2
Project Project description
Protective resistor PC: Read switching states
Proton Atoms
Protonation of water Standard electrode potential
Protonation Standard electrode potential
PTC Electronic band structure
Pull-down resistor PC: N-channel MOSFETs
Pull-Down PC: Read switching states
  Transistors as a switch
Pull-Up PC: Read switching states
Pulse-width modulation Pulse-width modulation
  Python: Pulse-width modulation
Push button Relay
Push to break Relay
Push to make Relay
Push-pull Amplifying circuits
  Logic gates
Push-up Transistors as a switch
Pushrod Four stroke engine
PWM Pulse-width modulation
  Python: Pulse-width modulation
Pythin File upload via browser
Python PC: Apache Webserver
  PC: Apache Webserver
  Python: Commandline parameters
  Python: Pulse-width modulation
  Python: switching GPIOs
  Python: switching GPIOs
 
Q ↑top
Quiz Quiz
 
R ↑top
R10 R10 construction
R11 R11 construction
  R11 control panel - RoboSpatium
R12 R12 construction
  R13 construction
R13 R13 control panel - RoboSpatium
R14 R14 construction
  R14 control panel - RoboSpatium
R15 R15 construction
R18 R18 construction
R19 R19 construction
R3 R3 construction
R4 R4 construction
R5 R5 construction
R6 R6 construction
R7 R7 construction
R8 R8 construction
  R9 construction
RA flip-flop Computing
Rails Power rail system
Raspberry HQ camera L2 control panel - RoboSpatium
Raspberry HQ Kamera Lander 2 construction
Raspberry Pi Electric generator experiment
  File upload via browser
  Internet Of Things
  Lander 2 construction
  Lunar eclipse 2015
  NEJE KZ3000 laser engraver
  PC: Apache Webserver
  PC: Apache Webserver
  PC: Apache Webserver
  PC: Hardware Raspberry Pi
  PC: Introduction
  PC: Read switching states
  PC: Software Raspberry Pi
  PC: Switching LEDs
  Physical computing
  pi-top[4]
  Plotter from old CDROMs
  Python: Commandline parameters
  Python: Pulse-width modulation
  Python: switching GPIOs
  Python: switching GPIOs
  R10 construction
  R11 construction
  R14 construction
  R15 construction
  R19 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Raspberry Pi Computer on a chip
  Robot arm v0.1
  Robotic arm v1.0
  V plotter
  WinchBot 1.5
  WinchBot 1.5
  WinchBot
Raspberry Pico PC: Secure Communication Terminal
RC car R7 construction
  R8 construction
  R9 construction
RC-filter Constant voltage
RDL Logic gates
Reactant Chemical equation
Reactants Chemical equation
Reaction Chemical equation
Read switches PC: Read switching states
Reading error Observational error
Real gate Logic gates
Real voltage source Constant voltage
Rechargeable battery Secondary batteries
Rechargeable cell Secondary batteries
Recombination Diodes
Redox reaction Redox reaction
  Standard electrode potential
Reducing agents Redox reaction
Reductans Redox reaction
Reduction-oxidation Redox reaction
Reduction Redox reaction
Reed contact Relay
Regenerative braking H bridge
Register Computing
Relative error Observational error
Relative permeability Magnetic permeability
Relay Physical computing
  Relay
Reluctance stepper motor Stepper motors
Remanence Magnetic Hysteresis
  Magnetic materials: hard or soft?
  Relay
Remote control Rover construction
Resin printer Review Longer Orange 10 DLP printer
Resistance thermometer Temperature measurement
Resistance Constant-resistance network
  Current and resistance
Resistivity Efficiency
Resistor Constant-resistance network
  Electronic band structure
Resonance frequency RLC circuit
Resonance RLC circuit
Response Response
Restricted combination Computing
Reverse charging Secondary batteries
Reverse mode Bipolar junction transistor
Reverse reaction Chemical equation
Review Insta360 Air
  Overview 3D printers
  Review Anet A8 3D printer
  Review Anet E10 3D printer
  Review Anycubic i3 Mega 3D printer
  Review Anycubic Kossel 3D printer
  Review CNC engraver T8
  Review CR-10S 3D printer
  Review CR-10V2 3D printer
  Review Creality CR-10
  Review Ender 3D printer
  Review Geeetech E180 3D printer
  Review JG Aurora A3S 3D printer
  Review Kywoo Tycoon 3D printer
  Review Longer Orange 10 DLP printer
  Review Mingda D2 3D printer
  Review Next3D
  Review Tevo Michelangelo 3D printer
  Review Tronxy p802 3D printer
  Review Tronxy X5 3D printer
  Review Zonestar M8R2 3D printer
  Review Zonestar QA 3D printer
  Review Zonestar QR2 3D printer
Revolution speed Power output
  Torque curve
Rheostatic braking H bridge
Rich mixture Four stroke engine
Right hand grip rule Eddy currents
Ripple carry adder Computing
Ripple carry subtractor Computing
Ripple counter Computing
Ripple Computing
  Constant voltage
Rise time Transistors as a switch
RLC circuit RLC circuit
RMS AC voltage
RoboSpatium Cent-Prize winners RoboSpatium
  Construction details Lander
  Contents RoboSpatium
  Lander 2 construction
  Picture gallery RoboSpatium
  R10 construction
  R11 construction
  R12 construction
  R13 construction
  R14 construction
  R15 construction
  R18 construction
  R19 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Rover construction
  Rover stats RoboSpatium
  User guide Lander - RoboSpatium
  Video gallery - RoboSpatium
  Wall of fame - RoboSpatium
  Wall of fame - RoboSpatium
  World Tour Robver - RoboSpatium
Robot arm Construction details Lander
  WinchBot 1.5
  WinchBot
Robot L2 control panel - RoboSpatium
  Power rail system
  R11 control panel - RoboSpatium
  R13 control panel - RoboSpatium
  R14 control panel - RoboSpatium
  Robotic arm v1.0
  World Tour Robver - RoboSpatium
Robotic arm V1.0 Robotic arm v1.0
Robotic arm Robot arm v0.1
  WinchBot 2.0
Robots Contents RoboSpatium
  User guide Lander - RoboSpatium
Rocker arm Four stroke engine
Rolling friction (Java) Java application rolling friction
Rolling friction Power balance
  Rolling friction
Rolling resistance coefficient Rolling friction
Rolling resistance Car design
Roof battens Robotic arm v1.0
Root mean square AC voltage
Rotary encoder Electromechanical encoder disc
  Encoder disc
Rotating magnetic field Synchronous motor
Rotor DC permanent magnet motor
Router CNC V0.5
  CNC V0.6
  CNC V1.0
  CNC V2.0
  CNC V2.1
  CNC V3.2 (Router)
  CNC V3.2.1 (DC motors)
  CNC V3.x series
Rover Contents RoboSpatium
  L2 control panel - RoboSpatium
  Power rail system
  R10 construction
  R11 construction
  R11 control panel - RoboSpatium
  R12 construction
  R13 construction
  R13 control panel - RoboSpatium
  R14 construction
  R14 control panel - RoboSpatium
  R15 construction
  R18 construction
  R19 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Rover construction
  World Tour Robver - RoboSpatium
RS components Robot arm v0.1
  WinchBot 2.0
  WinchBot
RS flip-flop Relay
RS latch Computing
RTL Logic gates
Rubber wire PC: Basic communication
Rust converter Corrosion prevention
Rust Corrosion prevention
  Corrosion
 
S ↑top
Sacrificial anode Corrosion prevention
Saito FA-40 Four stroke engine
Salt bridge Galvanic cell
Sampling rate Oscilloscope
Saturation region PC: N-channel MOSFETs
Saturation Magnetic Hysteresis
  Magnetic materials: hard or soft?
Sawtooth wave Function generator
Scale Observational error
Schmitt trigger Operational amplifiers
Second Measurement
Secondary cell Secondary batteries
Secure Communication Terminal PC: Secure Communication Terminal
Sedimantation Electrolysis
Self-discharge Secondary batteries
Self-inductance Self-inductance
Semiconductor Doping
  Electronic band structure
  Periodic table
Sensitivity Observational error
Sensor Transmissive optical sensors
Sepex Electrically excited DC motor
Series-wound motor Electrically excited DC motor
Service Python: switching GPIOs
Servo control Python: Pulse-width modulation
Servo driver Servos
Servo hack Servos
Servo tester Servos
Servo Arduino Uno microcontroller
  Encoder disc
  Servos
Servomechanism Servos
Servomotor PC: Demo-console servo drives
SHE Standard electrode potential
Shell Atoms
Shift register Computing
Shoot through H bridge
Shunt-wound motor Electrically excited DC motor
Shunt Current & voltage measurement
Shuttleworth Fund DIY plastics granule extruder version 2
Siemens PC: Demo-console servo drives
Silicon Silicon
Silver oxide battery Primary Batteries
Silver-zinc battery Primary Batteries
SIMATIC IOT2020 CNC V3.2.2 (Router)
  Electric generator experiment
  PC: Demo-console servo drives
SIMATIC R12 construction
  R13 construction
  WinchBot 2.0
SINAMICS V90PTI PC: Demo-console servo drives
Single displacement reaction Standard electrode potential
Single-Pole (SPDT) Relay
Single-Throw Double-Pole (STDP) Relay
Sink Current Driver PC: Amplifying ICs
SIPO Computing
SISO Computing
SISP Computing
Slew rate Oscilloscope
  Transistors as a switch
Sliding contact Power rail system
Slipstream Wind tunnel
Slope Car design
  Oscilloscope
  Power balance
Slowing down Power balance
Slushing oil Corrosion prevention
SN74154N PC: Amplifying ICs
SOC pi-top[4]
  Raspberry Pi Computer on a chip
  Secondary batteries
Software LED Matrix PC: LED matrix
Solute Electrolysis
Solution Electrolysis
Solvent Electrolysis
Source code Downloads
Source Current Driver PC: Amplifying ICs
Source JFET
Specific conductance Efficiency
Specific electrical resistance Efficiency
Speed Speed
Sponsors Shopping tips Gearbest
Spontaneous reaction Chemical reaction
Square wave Function generator
Stainless steel Corrosion prevention
Standard electrode potential Corrosion
  Standard electrode potential
Standard hydrogen electrode Standard electrode potential
Starting page Welcome page
State Of Charge Secondary batteries
Static friction Static and kinetic friction
Stationary engine Amanco stationary engine
Statistics Rover stats RoboSpatium
Stator coil Electrically excited DC motor
Stator DC permanent magnet motor
Stepper motor Model motor
  Plotter from old CDROMs
  Stepper motors
  V plotter
Stoichiometric numbers Chemical equation
Storage battery Secondary batteries
streaming R10 construction
  R11 construction
  R12 construction
  R13 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
Strobe PC: Amplifying ICs
Stroke length Four stroke engine
Stroke Four stroke engine
Subshell Atoms
Subtractor Computing
Support Financial backers
  Support me
  Support me
Switch PC: Read switching states
  Transistors as a switch
Switching delay PC: Amplifying ICs
Switching frequency RC circuit
Switching GPIOs Python: Commandline parameters
  Python: Pulse-width modulation
  Python: switching GPIOs
  Python: switching GPIOs
Switching losses PC: N-channel MOSFETs
Switching speed PC: N-channel MOSFETs
Symbols Circuit Symbols
Synchronous counter Computing
Synchronous motor Synchronous motor
System on a chip Raspberry Pi Computer on a chip
Systematic error Observational error
 
T ↑top
T flip-flop Computing
  Relay
T8 Review CNC engraver T8
Table of content Contents
Table Contents
Tap code PC: Basic communication
TDC Four stroke engine
technology Contents
Temperature coefficient Efficiency
Temperature Temperature measurement
Tetrahedral angle Silicon
Tevo Michelangelo Review Tevo Michelangelo 3D printer
Thermistor Electronic band structure
Thermocouple Temperature measurement
Thermometer Temperature measurement
Three-phase AC synchronous motor Synchronous motor
Three-phase electric power Synchronous motor
Threshold voltage PC: Amplifying ICs
  PC: N-channel MOSFETs
  PC: P-channel MOSFETs
Throttle lever Four stroke engine
Time per division Oscilloscope
Tire Rolling friction
Top dead centre Four stroke engine
Torque curve Power output
Torque Power output
  Torque curve
  Torque
Total current Constant-resistance network
Totem-pole Logic gates
Transfer characteristic Bipolar junction transistor
Transistor Bipolar junction transistor
  Transistors as a switch
Transition element Periodic table
Transmissive optical sensor Transmissive optical sensors
Triangular wave Function generator
Trigger Oscilloscope
Triple point of water Temperature measurement
Tristate PC: Read switching states
Tronxy P802 Review Tronxy p802 3D printer
Tronxy X5 Review Tronxy X5 3D printer
TTL Logic gates
Turn-on delay H bridge
TX2 London Taxi TX2
Tycoon 3D printer Review Kywoo Tycoon 3D printer
 
U ↑top
Unified atomic mass units Batteries
Unit Measurement
universal joint Adjustable joints
Universal logic gate Logic gates
Uphill Car design
USB PC: Apache Webserver
User guide Rover User guide Lander - RoboSpatium
 
V ↑top
V plotter V plotter
Valence band Electronic band structure
Valve clearance Four stroke engine
Variable resistance Voltage divider
vector Acceleration
Velocity (Java) Java speed
Velocity Acceleration
  Speed
Vertical plotter V plotter
Video Build instruction Lander 2 construction
Video 2D printer from a 3D printer
  Amanco stationary engine
  CNC 3018Pro
  CNC V0.5
  CNC V0.6
  CNC V2.0
  CNC V2.1
  CNC V3.0
  CNC V3.1 (printer)
  CNC V3.2 (Router)
  CNC V3.2.1 (DC motors)
  CNC V3.2.2 (Router)
  DIY plastics granule extruder version 2
  DIY plastics granule extruder version 2
  DIY plastics granule extruder
  Electric generator experiment
  Encoder disc
  HP6602 printhead
  Insta360 Air
  Lander 2 construction
  Laser Master 2 Pro
  LK5 Pro: Minimize warping
  Lunar eclipse 2015
  NEJE KZ3000 laser engraver
  PC: Basic communication
  PC: Digital ruler
  PC: LED matrix
  Plasma printer
  Plotter from a 3D printer
  Plotter from old CDROMs
  R10 construction
  R11 construction
  R12 construction
  R13 construction
  R14 construction
  R15 construction
  R18 construction
  R19 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Review Anet A8 3D printer
  Review Anet E10 3D printer
  Review Anycubic i3 Mega 3D printer
  Review Anycubic Kossel 3D printer
  Review CNC engraver T8
  Review CR-10S 3D printer
  Review CR-10V2 3D printer
  Review Creality CR-10
  Review Ender 3D printer
  Review Geeetech E180 3D printer
  Review JG Aurora A3S 3D printer
  Review Kywoo Tycoon 3D printer
  Review Longer Orange 10 DLP printer
  Review Mingda D2 3D printer
  Review Next3D
  Review Tevo Michelangelo 3D printer
  Review Tronxy p802 3D printer
  Review Tronxy X5 3D printer
  Review Zonestar M8R2 3D printer
  Review Zonestar QA 3D printer
  Review Zonestar QR2 3D printer
  Robot arm v0.1
  Robotic arm v1.0
  Rover construction
  V plotter
  Video gallery - RoboSpatium
  WinchBot 1.5
  WinchBot 2.0
  WinchBot
  Wind tunnel
  World printer
Virtual ground Operational amplifiers
Viscosity Airresistance
Voltage divider Constant-resistance network
Voltage follower Constant voltage
Voltage stabilisation Voltage divider
Voltage Current & voltage measurement
  Voltage
Voltaqge regulation Constant voltage
Voltmeter Current & voltage measurement
Volts per division Oscilloscope
Volume resistivity Efficiency
 
W ↑top
Wall of fame Wall of fame - RoboSpatium
  Wall of fame - RoboSpatium
Warping LK5 Pro: Minimize warping
Webcam Contents RoboSpatium
  L2 control panel - RoboSpatium
  Lander 2 construction
  R10 construction
  R11 construction
  R12 construction
  R13 construction
  R14 construction
  R15 construction
  R18 construction
  R19 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Rover construction
Webserver File upload via browser
  PC: Apache Webserver
Weiss domain Magnetic hysteresis
Wheatstone bridge H bridge
Wheel drive Torque
Why these pages exist Project description
WinchBot 1.5 WinchBot 1.5
WinchBot 2.0 WinchBot 2.0
WinchBot WinchBot
Wind tunnel Wind tunnel
Window comparator Servos
Wiper motor Arduino Uno microcontroller
wiringPi PC: Software Raspberry Pi
WLtoys 18628 R6 construction
WM8650 Computer WM8650
Wold Printer HP6602 printhead
  World printer
Work Work, energy and power
World Printer Plasma printer
World Tour Rover World Tour Robver - RoboSpatium
 
X ↑top
XNOR gate Logic gates
XOR gate Logic gates
 
Z ↑top
Zener voltage Voltage divider
Zenerdiode Voltage divider
Zinc paint Corrosion prevention
Zinc-air battery Primary Batteries
Zinc-carbon battery Primary Batteries
Zombie 8E R8 construction
Zonestar M8R2 Review Zonestar M8R2 3D printer
Zonestar P802 series Review Zonestar QA 3D printer
Zonestar P802 2D printer from a 3D printer
  Plotter from a 3D printer
Zonestar QA Review Zonestar QA 3D printer
Zonestar QR2 Review Zonestar QR2 3D printer
Zonestar DIY plastics granule extruder version 2
  DIY plastics granule extruder version 2
  DIY plastics granule extruder


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