/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,900
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,504
Delayed switch A simple delayed switch. 2.83 3,373
Digital stopwatch Digital stopwatch. 2.88 3,668
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.88 7,441
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.78 2,942
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.85 969
Programmable time switch Programmable time switch. 2.80 5,580
Three timers Three timer circuits. 2.95 6,931
Time switch Time switch. 2.87 6,770

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