Welcome to Free Electronic Circuits, a site dedicated to electronic hobbyists. There are many pages of quality information from actual electronics projects and electronics circuits that you can build, to electronic symbols and a glossary of technical terms. We also provide valuable information and links to design and simulation software.


Browse through a category to find your favourite circuits.

- Audio
- Computer
- High Voltage
- Light/Laser
- Remote Control
- Robotic
- Security
- Timers
- Misc
- All

Helpful tools:
- Ohms Law Calculator
- LM317 Calculator
- Resister Color Chart

- Ohms Law
- Stepper Motors

Most Popular

Our most requested and accessed Electronics circuits

- FM Transmitter Circuit
- 5 Zone Alarm Circuit
- Stun Gun Circuit
- Plant Moisture Meter Circuit
- Touch Switch Circuit

Looking to buy Electronic Kits/Parts Online