/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.84 4,986
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,617
Delayed switch A simple delayed switch. 2.86 3,426
Digital stopwatch Digital stopwatch. 2.88 3,731
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.87 7,529
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.80 2,991
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.86 983
Programmable time switch Programmable time switch. 2.82 5,647
Three timers Three timer circuits. 2.96 6,995
Time switch Time switch. 2.89 6,885

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