Schematics

Analog circuit

Wien-Bridge Oscillator
Voltage protection
Voltage controlled oscillator
Voltage Controlled Low Frequency Oscillator with Sync
Variable Frequency Audio Oscillator
Two Transistor Flasher circuit
Triggered spark gap
Triggered spark gap
Triangle to sine converter
Transistor throttles power supplies, direct current power supply, voltage comparator, variable pulse with modulated power supply, current regulated power supply circuit
Transistor circuits
Soft start up circuit
Single-Supply Wien Bridge Oscillator
Single transistor pump
Sawtooth wave oscillator)
Sawtooth to Triangle converter
Relay card
Over voltage protection
Multiple monitor driver
Model train diesel & horn sound module
Model train - railroad and misc. electronics detector, detection, model railroads, signals, railway circuit, trains, automatic, reverse, electronics, control, switch machine, throttles, DCC, MiniDCC, circuit, trains, infrared circuit, stepper motor, timer, 555, LM555, LM556, 74194, 74154, LM311, LMD18200 circuit
Simple lie detector
HV generator using a TV flyback transformer
Flasher Circuits
Field Effect Transistor as a Voltage Controlled Resistor
Emergency Lighting Fluorescent Lamp 8W
Electronic circuits application garage ultra high accuracy digital clock, channel adapter for the oscilloscope, count down timer, stabilised power unit, dancing lights, ultra sonic range meter, supersonic alarm, infrared sensor, DC/AC inverter, supersonic range meter using PIC
Dynamo-Powered LED Headlight and Tail Light for your Bicycle
Capacitance multiplier power supply
Bicycle back safety light
Barry's Coilgun design site
Astable Multivibrator Projects
Astable multivibrator
Astable multivibrator
AC Line powered LEDs
120VAC LINE POWERED WHITE LEDs
"high" or "low" voltage battery monitor


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