/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.87 5,161
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.92 4,858
Delayed switch A simple delayed switch. 2.91 3,515
Digital stopwatch Digital stopwatch. 2.90 3,806
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.89 7,707
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.85 3,056
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.92 1,011
Programmable time switch Programmable time switch. 2.85 5,781
Three timers Three timer circuits. 2.96 7,152
Time switch Time switch. 2.89 7,029

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