Timer and Oscillator Circuits (01)

Circuit Collection: Timer, Oscillator, Generator, Beeper, Divide By, VCO, Clock Generator, One-shot, Frequency Doubler, Switch debouncer, Stopwatch, Photo timer, multivibrator

About Project Links

• Budget timer
• Long period timer
• 555 time delay circuit
• Low frequency clock
• Countdown timer with relay
• DDS using AD9835
• 1 Second Time Base From Crystal Osc.
• Power-On Time Delay Relay Circuit
• Low Voltage , High Current Time Delay Circuit
• Power-Off Time Delay Relay Circuit
• Generating a Delayed Pulse With a dual 555 Timer
• 1KHz Sinewave generator
• Timed beeper
• Time Delay Relay
• Time Delay Relay
• Circuit that momentarily closes a pair of contacts at long intervals
• Onboard Fogger Timer
• Colpitts 1 to 20 MHz Crystal Oscillator
• Divide By 1-1/2 Circuit
• Simple sinewave generator
• Two Transistor Sine Wave Oscillator
• 10 Hz to 10 Khz VCO with Square and Triangle wave
• Line powered 60Hz clock generator (PDF)
• Micro-power pulse generator (PDF)
• Darkroom camera shutter timer
• Divide by 1.5 counter (PFD)
• High-output square wave generator (PDF)
• D Flip-flot one-shot circuits (PDF)
• Clock divider
• Clock doubler
• CMOS oscillator