/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.82 5,047
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.90 4,689
Delayed switch A simple delayed switch. 2.87 3,451
Digital stopwatch Digital stopwatch. 2.87 3,766
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,592
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 3,006
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.87 993
Programmable time switch Programmable time switch. 2.81 5,689
Three timers Three timer circuits. 2.95 7,063
Time switch Time switch. 2.87 6,928

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