/Schematics/Timer-circuits

Title Short description Rate Download
10 minute timer 10 minute timer with NE555. 2.82 5,037
Darkroom timer for PCB exposure Excellent darkroom timer for PCB exposure based on ATtiny2313 and 7-seg. LED displays. 2.90 4,676
Delayed switch A simple delayed switch. 2.87 3,445
Digital stopwatch Digital stopwatch. 2.87 3,764
Digital timer ON-OFF or OFF-ON timer with time period choice. 2.86 7,582
Fast turned-on/delayed-off relay Fast switch with delayed off. 2.79 3,004
Long delay generator Uses binary counter and low frequency osc., it can make a few hours delay. 2.88 993
Programmable time switch Programmable time switch. 2.81 5,682
Three timers Three timer circuits. 2.96 7,058
Time switch Time switch. 2.87 6,920

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