Showing posts from 2011

Some Type of Resistors

What is LDR or Light Dependent Resistor

Function of IC LM35 and How It Works

Circuit of Simple Temperature Detector

Preamplifier Microphone with 2 Transistor

Power supply using tube Z2C

Compass direction magnetic sensors

PWM Controler With Ic 555

Circuit Serial To LCD

Magnetic Detector

Sensor Ultraviolet UV Tron

Amplifier uses IC TDA7375A

Symmetrical Power Supply LM317/337 Variable

UPS Power Supply

PWM Motor Controller

Power Supply with Z2C Tubes

Stereo Power Amplifier STA550

Audio Mixer With FET

Wind Meter Anemometer

Seven Segment 4 Digit

Traffic Lamps Circuit

Automatic lamps with photocell

Circuit Color Detector

Voltmeter and ampere meter using PIC

Broken Charger Detector

Temperature and Humidity Sensors

Light Switch for Lamps Controller

Rain Detector Circuit

Automatic Water Pump Controller

Circuit of DC To DC Converter

Circuit of fire alarm detection

Room Noise Detector

Police Siren Circuit