/Schematics/Timer-circuits

Title Short description Rate Download
Three timers Three timer circuits. 2.94 7,119
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.90 4,810
Delayed switch A simple delayed switch. 2.89 3,496
Digital stopwatch Digital stopwatch. 2.87 3,788
Time switch Time switch. 2.87 6,983
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,667
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.86 1,004
10 minute timer 10 minute timer with NE555. 2.84 5,125
Programmable time switch Programmable time switch. 2.82 5,746
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.81 3,040

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