/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.83 4,903
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,519
Delayed switch A simple delayed switch. 2.83 3,382
Digital stopwatch Digital stopwatch. 2.88 3,671
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.87 7,456
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.77 2,950
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.85 970
Programmable time switch Programmable time switch. 2.80 5,586
Three timers Three timer circuits. 2.95 6,941
Time switch Time switch. 2.87 6,787

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