/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.83 4,910
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,531
Delayed switch A simple delayed switch. 2.85 3,386
Digital stopwatch Digital stopwatch. 2.88 3,677
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.87 7,463
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.78 2,953
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.84 971
Programmable time switch Programmable time switch. 2.80 5,593
Three timers Three timer circuits. 2.94 6,946
Time switch Time switch. 2.87 6,795

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