/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.83 4,940
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,574
Delayed switch A simple delayed switch. 2.85 3,405
Digital stopwatch Digital stopwatch. 2.87 3,698
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,487
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.78 2,971
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.85 977
Programmable time switch Programmable time switch. 2.80 5,612
Three timers Three timer circuits. 2.95 6,964
Time switch Time switch. 2.88 6,831

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