/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,998
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,627
Delayed switch A simple delayed switch. 2.87 3,427
Digital stopwatch Digital stopwatch. 2.88 3,736
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.87 7,534
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.80 2,992
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.87 984
Programmable time switch Programmable time switch. 2.82 5,658
Three timers Three timer circuits. 2.97 7,004
Time switch Time switch. 2.88 6,893

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