/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.83 4,956
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,584
Delayed switch A simple delayed switch. 2.86 3,411
Digital stopwatch Digital stopwatch. 2.87 3,707
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,499
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 2,975
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.85 979
Programmable time switch Programmable time switch. 2.81 5,617
Three timers Three timer circuits. 2.95 6,969
Time switch Time switch. 2.88 6,844

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