/Schematics/Timer-circuits

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

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