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3 ↑top
360 degree camera Insta360 Air
3D Printer Overview 3D printers
  Review Anet A8 3D printer
  Review Anet E10 3D printer
  Review Anycubic i3 Mega 3D printer
  Review CR-10S 3D printer
  Review Creality CR-10
  Review Ender 3D printer
  Review Geeetech E180 3D printer
  Review Tronxy p802 3D printer
  Review Tronxy X5 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
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
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
Aqueous solution Electrolysis
Arc Relay
Archive News archives before 2016
Arduino IDE PC: Arduino IDE
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
  PC: Digital ruler
  PC: Microcontroller hardware
  PC: Switching LEDs
  Physical computing
  R5 construction
  Robot arm v0.1
  WinchBot
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
Automuseum R10 control panel - RoboSpatium
Avogadro constant Batteries
 
B ↑top
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 archives before 2016
  News
Bohr model Atoms
Bottom dead centre Four stroke engine
Brain game Memory
  Number sequence
Brushed motor DC permanent magnet motor
Brushless motor 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)
  Construction details Lander
  Plotter from old CDROMs
  R10 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Robot arm v0.1
  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
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
CNC machine CNC V0.6
  CNC V2.0
  CNC V2.1
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 CNC V3.2.1 (DC motors)
CNC CNC V0.5
  CNC V0.6
  CNC V2.0
  CNC V2.1
  CNC V3.x series
  Review CNC engraver T8
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
Comment system Response
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 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
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
  R3 control panel - RoboSpatium
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
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
Demuxer Computing
Depletion layer Diodes
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 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
Dipole Electrolysis
Direct drive Power output
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
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
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 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
Equalizer. RC circuit
Error limit Observational error
Exclusive or Logic gates
Exhaust valve Four stroke engine
Exothermic reaction Chemical reaction
Experiment Electric generator experiment
  Wind tunnel
External-rotor configuration Torque curve
 
F ↑top
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
Films Encoder disc
Flip-flop Computing
  Multivibrator
Forbidden state Computing
Fork lift R9 control panel - RoboSpatium
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 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
GPIO PC: Switching LEDs
  Physical computing
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 Lander User guide Lander - RoboSpatium
handbook robots User guide R4
Heat engine Electric generator experiment
Henry Self-inductance
Hertz AC voltage
High pass filter RC circuit
High side transistor H bridge
Hold current Relay
Hold state Computing
Hot-dip galvanizing Corrosion prevention
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
 
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
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 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 WinchBot 2.0
Iron loss Efficiency
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
JK flip-flop Computing
Johnny boy Amanco stationary engine
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
 
L ↑top
Lander Construction details Lander
  Lander control - RoboSpatium
  User guide Lander - RoboSpatium
Lanthanides Periodic table
  PTE table
Laptop Computer WM8650
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 PC: Switching LEDs
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
Liqiud-in-glass thermometer Temperature measurement
Lithium battery Primary Batteries
Logic family Logic gates
Logic gate Logic gates
Lorentz force Magnetism
Low pass filter RC circuit
Low side transistor H bridge
Low-dropout regulator Constant voltage
Low-order digit Computing
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
Maths Formulas
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: 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
Mini Computer 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
Motion detection (computer mouse) Computer mouse
Mule Team Amanco stationary engine
Multimeter Current & voltage measurement
Multiple-emitter-transistor Logic gates
Multiplexer Computing
Multivibrator Multivibrator
  Relay
Muxer Computing
 
N ↑top
N-channel transistor JFET
N-type semiconductor Diodes
  Doping
NAND gate Logic gates
Negative feedback Operational amplifiers
Negative Temperature Coefficient Electronic band structure
Neutron Atoms
News 2016 News 2016
news News
  Welcome page
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
Ohmmeter Current & voltage measurement
Op-amp Operational amplifiers
Open loop gain Operational amplifiers
Operating point Amplifying circuits
Operational amplifier Operational amplifiers
OR gate Logic gates
Orbital Atoms
  Silicon
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 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
Partial probe Oscilloscope
Passivation Corrosion prevention
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 Microcontroller set
  PC: Arduino IDE
  PC: Hardware Raspberry Pi
  PC: Introduction
  PC: Microcontroller hardware
  PC: Software Raspberry Pi
  Physical computing
Picture gallery Picture gallery RoboSpatium
PID controller Arduino Uno microcontroller
PIPO Computing
Piston seizure Four stroke engine
Plotter CNC V1.0
  CNC V3.0
  CNC V3.x series
  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
Printer CNC V3.1 (printer)
  Transmissive optical sensors
Project Project description
Proton Atoms
Protonation of water Standard electrode potential
Protonation Standard electrode potential
PTC Electronic band structure
Pull-down Transistors as a switch
Pulse-width modulation 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
 
Q ↑top
Quiz Quiz
 
R ↑top
R10 R10 construction
  R10 control panel - RoboSpatium
R3 R3 construction
  R3 control panel - RoboSpatium
R4 R4 construction
R5 R5 construction
R6 R6 construction
R7 R7 construction
R8 R8 construction
  R9 construction
R9 R9 control panel - RoboSpatium
RA flip-flop Computing
Rails Power rail system
Raspberry Pi Electric generator experiment
  Internet Of Things
  Lunar eclipse 2015
  PC: Hardware Raspberry Pi
  PC: Introduction
  PC: Software Raspberry Pi
  PC: Switching LEDs
  Physical computing
  Plotter from old CDROMs
  R10 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
  V plotter
  WinchBot 1.5
  WinchBot 1.5
  WinchBot
RC car R7 construction
  R8 construction
  R9 construction
RC-filter Constant voltage
RDL Logic gates
Reactant Chemical equation
Reactants Chemical equation
Reaction Chemical equation
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
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 CNC engraver T8
  Review CR-10S 3D printer
  Review Creality CR-10
  Review Ender 3D printer
  Review Geeetech E180 3D printer
  Review Tronxy p802 3D printer
  Review Tronxy X5 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
  Picture gallery RoboSpatium
  R10 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Rover construction
  Rover stats RoboSpatium
  User guide Lander - RoboSpatium
  User guide R4
  Video gallery - RoboSpatium
  Wall of fame - RoboSpatium
  Wall of fame - RoboSpatium
  World tour robot - RoboSpatium
Robot arm Construction details Lander
  WinchBot 1.5
  WinchBot
Robot Lander control - RoboSpatium
  Power rail system
  R10 control panel - RoboSpatium
  R3 control panel - RoboSpatium
  R9 control panel - RoboSpatium
  Rover control panel - RoboSpatium
  World tour robot - RoboSpatium
Roboter User guide Lander - RoboSpatium
Robotic arm Robot arm v0.1
  WinchBot 2.0
Robots Contents RoboSpatium
  User guide R4
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
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 number 1 Rover control panel - RoboSpatium
Rover Contents RoboSpatium
  Power rail system
  R10 construction
  R10 control panel - RoboSpatium
  R3 construction
  R3 control panel - RoboSpatium
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  R9 control panel - RoboSpatium
  Rover construction
  User guide R4
  World tour robot - RoboSpatium
RS components Robot arm v0.1
  WinchBot 2.0
  WinchBot
RS flip-flop Relay
RS latch Computing
RTL Logic gates
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 Magnetic Hysteresis
  Magnetic materials: hard or soft?
Sawtooth wave Function generator
Scale Observational error
Schmitt trigger Operational amplifiers
Second Measurement
Secondary cell Secondary batteries
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
Servo driver Servos
Servo hack Servos
Servo tester Servos
Servo Arduino Uno microcontroller
  Encoder disc
  Servos
Servomechanism Servos
SHE Standard electrode potential
Shell Atoms
Shift register Computing
Shoot through H bridge
Shunt-wound motor Electrically excited DC motor
Shunt Current & voltage measurement
Silicon Silicon
Silver oxide battery Primary Batteries
Silver-zinc battery Primary Batteries
SIMATIC IOT2020 Electric generator experiment
SIMATIC WinchBot 2.0
Single displacement reaction Standard electrode potential
Single-Pole (SPDT) Relay
Single-Throw Double-Pole (STDP) Relay
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
SOC Raspberry Pi Computer on a chip
  Secondary batteries
Solute Electrolysis
Solution Electrolysis
Solvent Electrolysis
Source code Downloads
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
  R6 construction
  R7 construction
  R8 construction
  R9 construction
Stroke length Four stroke engine
Stroke Four stroke engine
Subshell Atoms
Subtractor Computing
Support Financial backers
  Support me
  Support me
Switch Transistors as a switch
Switching frequency RC circuit
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
TDC Four stroke engine
technology Contents
Temperature coefficient Efficiency
Temperature Temperature measurement
Tetrahedral angle Silicon
Thermistor Electronic band structure
Thermocouple Temperature measurement
Thermometer Temperature measurement
Three-phase AC synchronous motor Synchronous motor
Three-phase electric power Synchronous motor
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
Tronxy P802 Review Tronxy p802 3D printer
Tronxy X5 Review Tronxy X5 3D printer
TTL Logic gates
Turn-on delay H bridge
 
U ↑top
Unified atomic mass units Batteries
Unit Measurement
Universal logic gate Logic gates
Uphill Car design
User guide Lander User guide Lander - RoboSpatium
User guide robots User guide R4
 
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 Amanco stationary engine
  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)
  Electric generator experiment
  Encoder disc
  Insta360 Air
  Lunar eclipse 2015
  PC: Digital ruler
  Plotter from old CDROMs
  R10 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 CNC engraver T8
  Review CR-10S 3D printer
  Review Creality CR-10
  Review Ender 3D printer
  Review Geeetech E180 3D printer
  Review Tronxy p802 3D printer
  Review Tronxy X5 3D printer
  Robot arm v0.1
  Rover construction
  V plotter
  Video gallery - RoboSpatium
  WinchBot 1.5
  WinchBot 2.0
  WinchBot
  Wind tunnel
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
Webcam Lander control - RoboSpatium
  R10 construction
  R3 construction
  R4 construction
  R5 construction
  R6 construction
  R7 construction
  R8 construction
  R9 construction
  Rover construction
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
Work Work, energy and power
World tour World tour robot - 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


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