/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,884
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,491
Delayed switch A simple delayed switch. 2.84 3,364
Digital stopwatch Digital stopwatch. 2.89 3,655
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.88 7,427
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 2,938
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.86 965
Programmable time switch Programmable time switch. 2.80 5,566
Three timers Three timer circuits. 2.95 6,918
Time switch Time switch. 2.87 6,750

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