/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.83 4,936
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.91 4,565
Delayed switch A simple delayed switch. 2.85 3,401
Digital stopwatch Digital stopwatch. 2.87 3,694
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,483
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.78 2,967
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.85 976
Programmable time switch Programmable time switch. 2.80 5,607
Three timers Three timer circuits. 2.95 6,961
Time switch Time switch. 2.88 6,822

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