/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,979
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,612
Delayed switch A simple delayed switch. 2.86 3,419
Digital stopwatch Digital stopwatch. 2.88 3,721
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.87 7,525
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 2,985
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.86 981
Programmable time switch Programmable time switch. 2.82 5,639
Three timers Three timer circuits. 2.96 6,991
Time switch Time switch. 2.89 6,874

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