Timer Circuits

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Popular Circuits

Mains Detector Relay with CD4017
Quartz Crystal Windup Wall Clock
Ph-probe-and-detector
Ring-detector
Super Motion Sensor Ultrasonic Motion Detector
door lock schematic
hall effect switch
LED driver based on MP3302 LED driver IC. Working circuit diagram.Operates from a single Lithium ion battery
USB Powered Mobile Phone Battery Charger
Optical Pulse Generator
Universal multi-function alarm and timer circuit 555



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