/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.82 5,091
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.90 4,759
Delayed switch A simple delayed switch. 2.86 3,470
Digital stopwatch Digital stopwatch. 2.86 3,769
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,623
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.80 3,020
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.85 994
Programmable time switch Programmable time switch. 2.81 5,707
Three timers Three timer circuits. 2.95 7,089
Time switch Time switch. 2.87 6,945

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