/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.83 5,029
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.91 4,665
Delayed switch A simple delayed switch. 2.87 3,441
Digital stopwatch Digital stopwatch. 2.87 3,759
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,574
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.80 3,000
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.88 991
Programmable time switch Programmable time switch. 2.81 5,675
Three timers Three timer circuits. 2.96 7,053
Time switch Time switch. 2.87 6,912

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