Circuit Library
Circuits ready to build, shared by people using Circuit Canvas. Each one comes with a parts list, a schematic and a picture showing how to connect it all on a breadboard, perfboard or stripboard. Want to change something? Make your own copy in one click.
Newest circuits
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Mailbox Detector
This is a simple project that detects when you got mail! To build it, you need to place a permanent magnet in the lid of your mailbox. And you need to place…
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Automatic Night Lamp
This is an automatic night lamp. The lamp turns on automatically at night. Tweak the value of R2 (or replace with a potentiometer) to adjust the amount of…
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Blinking Holiday Lights
Blinking holiday lights are always fun. This circuit is easy to build and it’s something you can put to use right away. The blinking part of the circuit is…
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Simple Rain Detector
This project is a a very simple rain detector. When a drop of water hits the rain sensor board overlapping two neighboring strips, they create a bridge where…
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"Go back to bed" gadget
This is a gadget that notifies me whenever my daughter tries to sneak out of her room past bedtime. It's based off a standard 433MHz remote control and…
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Automatic Garden Lights
A circuit that turns on your garden lights at night. This circuit is connected between the power source of my garden lights and the lights. When the night…
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Egg Timer on Breadboard
This is an egg timer circuit that sounds the alarm when your egg is ready. You can choose between: soft (3.5 minutes) medium soft (5 minutes) medium hard (7…
