/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,891
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,500
Delayed switch A simple delayed switch. 2.83 3,365
Digital stopwatch Digital stopwatch. 2.88 3,663
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.88 7,433
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.78 2,940
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.85 965
Programmable time switch Programmable time switch. 2.80 5,576
Three timers Three timer circuits. 2.95 6,924
Time switch Time switch. 2.87 6,763

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