Free projects PDFs

Free projects PDFs

This site has a lot of good (free) PDFs of electronics projects. Digital voltmeters, light relays, LED flashers, voice controlled switches, tesla coils, input mixers, bcd counters, touch switch, telephone ring detectors, power supply failure alarms, motion detectors, tv remote jammers, deer repellents and more. Link.

Discuss this article with the rest of the community on our Discord server!

current: @adafruit - previous: MAKE, popular science, hackaday, engadget, fallon, braincraft ... howtoons, 2600...

View more articles by Phillip Torrone


Ready to dive into the realm of hands-on innovation? This collection serves as your passport to an exhilarating journey of cutting-edge tinkering and technological marvels, encompassing 15 indispensable books tailored for budding creators.

Escape to an island of imagination + innovation as Maker Faire Bay Area returns for its 15th iteration!

Buy Tickets today! SAVE 15% and lock-in your preferred date(s).