Title Short description Rate Download
Three timers Three timer circuits. 2.97 7,144
Delayed switch A simple delayed switch. 2.92 3,510
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,847
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.90 1,011
Digital stopwatch Digital stopwatch. 2.90 3,803
Time switch Time switch. 2.89 7,018
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.88 7,698
10 minute timer 10 minute timer with NE555. 2.86 5,158
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.85 3,052
Programmable time switch Programmable time switch. 2.85 5,774


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