LED Dimmer Circuit using BC547 Transistor

BC557 and BC547 LED Flasher Circuit

DC Motor Speed Control Circuit using LR7843 and PC817

Short Circuit or Over Current Protection Circuit using a MOSFET

MPF102 Transistor Pinout, Equivalent and Complete Datasheet

FM Radio Antenna Booster Circuit to Improve Weak FM Signals

Automatic Night Light Circuit That Turns On in the Dark

Microphone Amplifier Using Two Transistors

Push Button ON/OFF Circuit to Control Connected LED

2SC2073 Transistor Pinout, Characteristics and Equivalent

Solid State Relay Using PC817 Optocoupler IC

TA7784P Dual Pre Amplifier IC Pinout and Characteristics

BC549 Transistor: Pinout, Equivalent and Difference

Solid State Relay Circuit, Alternative to Mechanical Relay

Rain Detected Automatic Wiper System for Your Car

3 Volt Led Flasher Circuit using Transistor

Zero Cross Detector using an Optocoupler: AC zero crossing point

Blown Fuse Indicator