Frank Donald

Frank Donald

Frank Donald

Frank Donald is an Electronics and Communication Engineer who loves building stuff in his free time. Video games, blogging and programming are the things he loves most

This user account status is Approved

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Working of BJT transistor and how to use transistors in circuits

2 years ago in: Electronic Tutorials, Electronics no comments

Test points in PCB : Uses and Tips

4 years ago in: Electronics, PCB no comments

PCBA or Printed Circuit Board Assembly inside a PCBA Factory

4 years ago in: Electronics, Service no comments

Learn ATtiny85 microcontroller in 10 days

4 years ago in: ATtiny85, ATtiny85 tutorials, Microcontroller 1 comment

Understand electronic circuits easily : Circuit series

4 years ago in: Electronics no comments

Inside a digital weighing scale

4 years ago in: Teardown no comments

DIY audio synthesizer aka electronic piano circuit

4 years ago in: Electronics, Projects 1 comment

Germicidal UV lamp to kill virus and other pathogens

4 years ago in: Circuit diagrams and Schematic designs, Electronics, Lighting Circuits 5 comments

Solar powered UV disinfectant lamp

4 years ago in: Electronics, Projects 2 comments

Voltage range detector circuit

4 years ago in: Circuit diagrams and Schematic designs, Electronics, Tester Circuits no comments

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