Rain Detector Alarm

Rain Detector Alarm

This is the circuit diagram of rain detector alarm. When the sensor is wetted......
Two Tone Electronic Siren Circuit

Two Tone Electronic Siren Circuit

  This is the circuit diagran of two tone electronic siren. The scheme......
PWM Controller Circuit using SN75603 and SN75604

PWM Controller Circuit using SN75603 and SN75604

Here the circuit diagram of PWM Controller which uses complementary half-H peripheral......
USB Cellphone Charger

USB Cellphone Charger

This is the schematic diagram of cellphone charger circuit which connecter to......
1.3-12V Small Variable Power Supply

1.3-12V Small Variable Power Supply

This is a small variable power supply delivers adjustable output voltage of 1.3v-12v.......
220V Light-Operated On/Off Switch

220V Light-Operated On/Off Switch

This schematic diagram is a light-operated, remote-controlled solidstate......
Gold Detector Schematic

Gold Detector Schematic

Here the very simple and easy build gold detector circuit. The circuit capable......
Simple Intercom Circuit with Transistors

Simple Intercom Circuit with Transistors

This is a 2-station simple intercom circuit build based on transistors part and......
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