/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,969
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,595
Delayed switch A simple delayed switch. 2.86 3,416
Digital stopwatch Digital stopwatch. 2.88 3,712
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,511
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 2,979
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.86 979
Programmable time switch Programmable time switch. 2.82 5,629
Three timers Three timer circuits. 2.95 6,982
Time switch Time switch. 2.88 6,861

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