/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.85 5,137
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.91 4,827
Delayed switch A simple delayed switch. 2.91 3,502
Digital stopwatch Digital stopwatch. 2.89 3,796
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.88 7,676
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.84 3,046
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.89 1,007
Programmable time switch Programmable time switch. 2.83 5,758
Three timers Three timer circuits. 2.96 7,126
Time switch Time switch. 2.88 6,999

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