/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,833
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,426
Delayed switch A simple delayed switch. 2.84 3,334
Digital stopwatch Digital stopwatch. 2.89 3,621
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.88 7,385
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 2,911
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.86 959
Programmable time switch Programmable time switch. 2.81 5,535
Three timers Three timer circuits. 2.95 6,888
Time switch Time switch. 2.87 6,700

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