/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,859
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.93 4,451
Delayed switch A simple delayed switch. 2.84 3,350
Digital stopwatch Digital stopwatch. 2.89 3,636
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.88 7,400
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 2,927
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.87 959
Programmable time switch Programmable time switch. 2.81 5,548
Three timers Three timer circuits. 2.95 6,902
Time switch Time switch. 2.87 6,730

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