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Solid State Power Controller circuit diagram
Solid State Power Controller
Led display digital Voltmeter circuit diagram
Led display digital Voltmeter
Automotive 12V to +-20V converter (for audio amplifier) circuit diagram
Automotive 12V to +-20V converter (for audio amplifier)
15W Fm-transmitter circuit diagram
15W Fm-transmitter
UltraSonic Radar circuit diagram
UltraSonic Radar
100W RMS Amplifier circuit diagram
100W RMS Amplifier
Discharger for Receiver Battery Packs circuit diagram
Discharger for Receiver Battery Packs
Light switch circuit diagram
Light switch
Dancing LEDs circuit diagram
Dancing LEDs
Mini efficient coil launcher from disposable camera flash circuit diagram
Mini efficient coil launcher from disposable camera flash
Infra Red Remote Control Extender circuit diagram
Infra Red Remote Control Extender
Nostalgic Crystal Radio circuit diagram
Nostalgic Crystal Radio
LED Chaser circuit diagram
LED Chaser
Capacitance Meter circuit diagram
Capacitance Meter
Touch Switch circuit diagram
Touch Switch
Producing your own Decrypt Viewing Card Mk2 circuit diagram
Producing your own Decrypt Viewing Card Mk2
Pulsing Third Brake Light circuit diagram
Pulsing Third Brake Light
The "UnFETtered Crystal Radio! circuit diagram
The "UnFETtered Crystal Radio!
Receiver Battery Low Voltage Alarm circuit diagram
Receiver Battery Low Voltage Alarm
IR Remote Control Extender Circuit circuit diagram
IR Remote Control Extender Circuit
IR transceiver 1.0 circuit diagram
IR transceiver 1.0
Multi Wire Cable Tester circuit diagram
Multi Wire Cable Tester
Car Battery Charger circuit diagram
Car Battery Charger
Inverter circuit diagram
Inverter
Infrared gate 2 circuit diagram
Infrared gate 2
Downed Model Locator circuit diagram
Downed Model Locator
Fading LEDs circuit diagram
Fading LEDs
Digital Stopwatch 0-99sec circuit diagram
Digital Stopwatch 0-99sec
28 LED Clock Timer circuit diagram
28 LED Clock Timer
Latching Continuity Tester circuit diagram
Latching Continuity Tester
Lightning Detector circuit diagram
Lightning Detector
iButton electronic lock circuit diagram
iButton electronic lock
Electronic Locker circuit diagram
Electronic Locker
Speaker Box Audio Amp circuit diagram
Speaker Box Audio Amp
5,000W ultra-light, high-power amplifier, without switching-mode power supply circuit diagram
5,000W ultra-light, high-power amplifier, without switching-mode power supply
Speed-limit Alert circuit diagram
Speed-limit Alert
Park Aid circuit diagram
Park Aid
10 Amp 13.8 Volt Power Supply circuit diagram
10 Amp 13.8 Volt Power Supply
Pulse Charger for reviving tired Lead Acid batteries circuit diagram
Pulse Charger for reviving tired Lead Acid batteries
The Link A2B+1 (the Link Telephone Intercom - DTMF version) circuit diagram
The Link A2B+1 (the Link Telephone Intercom - DTMF version)
Simple Lie Detector circuit diagram
Simple Lie Detector
Time Delay Relay II circuit diagram
Time Delay Relay II
Precision Receiver Battery Low Voltage Alarm circuit diagram
Precision Receiver Battery Low Voltage Alarm
Downed Model Locator II circuit diagram
Downed Model Locator II
Sound Level Indicator circuit diagram
Sound Level Indicator
LEDs or Lamps Sequencer circuit diagram
LEDs or Lamps Sequencer
High And Low Voltage Cut Off With Time Delay circuit diagram
High And Low Voltage Cut Off With Time Delay
Adjustable High/Low Frequency Sine wave generator circuit diagram
Adjustable High/Low Frequency Sine wave generator
Field-strength meter circuit diagram
Field-strength meter
High Voltage Stun Gun circuit diagram
High Voltage Stun Gun
Electronic Stethoscope circuit diagram
Electronic Stethoscope
LM317 VARIABLE POWER SUPPLY circuit diagram
LM317 VARIABLE POWER SUPPLY
6V to 12V Converter circuit diagram
6V to 12V Converter
TTL Power Supply with ‘Crowbar’ protection circuit diagram
TTL Power Supply with ‘Crowbar’ protection
Small Radio Transmitter circuit diagram
Small Radio Transmitter
Phone Busy Indicator circuit diagram
Phone Busy Indicator
Ringing Phone Light Flasher circuit diagram
Ringing Phone Light Flasher
Telephone Hold Button circuit diagram
Telephone Hold Button
Cuckoo sound Generator circuit diagram
Cuckoo sound Generator
Time Delay Relay circuit diagram
Time Delay Relay
Flyback Transformer Driver circuit diagram
Flyback Transformer Driver
Simple optical switch circuit diagram
Simple optical switch
A small FM transmitter (SMD) circuit diagram
A small FM transmitter (SMD)
PWM Motor/Light Controller circuit diagram
PWM Motor/Light Controller
On-Off Temperature Control circuit diagram
On-Off Temperature Control
Temperature-controlled Fan circuit diagram
Temperature-controlled Fan
Auto Heat Limiter for Soldering Iron circuit diagram
Auto Heat Limiter for Soldering Iron
Low-distortion Audio-range Oscillator circuit diagram
Low-distortion Audio-range Oscillator
Continuity Tester circuit diagram
Continuity Tester
Linear Resistance Meter circuit diagram
Linear Resistance Meter
Sleeping-Aid circuit diagram
Sleeping-Aid
Electronic Stethoscope circuit diagram
Electronic Stethoscope
Door Alarm circuit diagram
Door Alarm
"SimpleMouse" Smartcardprogrammer circuit diagram
"SimpleMouse" Smartcardprogrammer
Phoenix Programmer circuit diagram
Phoenix Programmer
24 Hour Timer circuit diagram
24 Hour Timer
Repeating Interval Timer circuit diagram
Repeating Interval Timer
Electromagnetic Field Probe with Meter Output circuit diagram
Electromagnetic Field Probe with Meter Output
Mini-box 2W Amplifier circuit diagram
Mini-box 2W Amplifier
50 Watt Amplifier circuit diagram
50 Watt Amplifier
22 Watt Audio Amplifier circuit diagram
22 Watt Audio Amplifier
Low impedance microphone amplifier circuit diagram
Low impedance microphone amplifier
Low pass filter - Subwoofer circuit diagram
Low pass filter - Subwoofer
Amplifier 2x30W with STK465 circuit diagram
Amplifier 2x30W with STK465
Precision Audio Millivoltmeter circuit diagram
Precision Audio Millivoltmeter
Amplified Ear circuit diagram
Amplified Ear
Portable Mixer circuit diagram
Portable Mixer
Stereo Preamplifier with Bass-boost circuit diagram
Stereo Preamplifier with Bass-boost
Three-Level Audio Power Indicator circuit diagram
Three-Level Audio Power Indicator
Sound Level Meter circuit diagram
Sound Level Meter
Stereo Tube Amplifier circuit diagram
Stereo Tube Amplifier
2N3055 Power Amplifier circuit diagram
2N3055 Power Amplifier
Nite Rider Lights circuit diagram
Nite Rider Lights
Basic UPS Power Supply circuit diagram
Basic UPS Power Supply
AC Current Monitor circuit diagram
AC Current Monitor
Fixed Voltage Power Supply circuit diagram
Fixed Voltage Power Supply
Solid State Tesla Coil/High Voltage Generator circuit diagram
Solid State Tesla Coil/High Voltage Generator
Transformerless Power Supply circuit diagram
Transformerless Power Supply
Voltage Inverter II circuit diagram
Voltage Inverter II
0-50V 2A Bench power supply circuit diagram
0-50V 2A Bench power supply
Important!!!
We are not responsible for any injuries or damage caused by information from this website! Working with electricity is dangerous for your life, especially diagrams related to high voltage! We do not guarantee success in building devices using our diagrams! They are not tested by us. For questions about diagrams use author info below diagram or our contact page. Thank you!