/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 5,125
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.90 4,816
Delayed switch A simple delayed switch. 2.89 3,499
Digital stopwatch Digital stopwatch. 2.87 3,789
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,667
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.81 3,043
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.87 1,004
Programmable time switch Programmable time switch. 2.82 5,748
Three timers Three timer circuits. 2.95 7,120
Time switch Time switch. 2.87 6,983

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