/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.82 5,058
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.90 4,698
Delayed switch A simple delayed switch. 2.86 3,455
Digital stopwatch Digital stopwatch. 2.86 3,767
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.85 7,601
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 3,008
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.87 994
Programmable time switch Programmable time switch. 2.81 5,696
Three timers Three timer circuits. 2.95 7,071
Time switch Time switch. 2.87 6,939

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