Digitstump’s Black Friday sale

Ihsan informs us of Digitstump’s Black Friday sale: We are pleased to announce that Digistump.com will be offering some amazing deals for Black Friday thru Cyber Monday – while we can’t compete with the big stores, because we don’t have 2-3x mark-up like they do, we hope these deals will help you buy engaging, educational, electronic gifts […]

Propeller Halloween pumpkin project

This project uses a Parallax Propeller Project board with microSD card attached, PIR sensor, LM386 Audio Amp, IRL520 FET and associated discrete components to make an animated Halloween prop. The PIR inside the pumpkin senses motion and when triggered it plays a WAV file from a microSD Card while flashing an internal light, causing an […]

Open source Halloween LED projects

Eric Thompson of Lowvoltagelabs. sends in these two Open Source Hardware projects for Halloween: I thought October might be a good time to share a couple Halloween related circuit boards that I have designed. Both of them were designed using KiCAD and I have released them as open source hardware so people can make their […]

Another geek love: Valentine’s Day flowers with LEDs

Want to make your loved ones feel extra special with your handmade Valentine’s Day flowers? Nowait shows you how to make inexpensive electronic flowers: Long story short, I get alot of stick for not buying flowers (I think they are a waste of money) so I decided that I was going to make some that would […]

Twelve Pi’s of Christmas R-Pi charity auction

The Raspberry Pi crew is in the midst of a charity auction event dubbed the Twelve Pi’s of Christmas. The R-Pi crew explains: Last year, we auctioned the very first Raspberry Pi Model Bs to come off the line to raise money for the Raspberry Pi Foundation. We’re doing the same this year, but instead […]

Xmas tree with sound-controlled LED animations

Sound controlled LED light show for your Xmas tree.  An STM32 microcontroller takes instructions from a PC via Bluetooth and animates the LEDs. This is my Christmas tree, it has over 400 lights (exactly 404) that are all individually controlled by an STM32 microcontroller. The computer plays the music and processes the sync track for […]

Christmas Tree O’Digital Logic

Chris from PyroElectro writes about his holiday project. “It’s an all-digital-hardware LED Christmas tree we’re calling the Christmas Tree O’Digital Logic. The tree itself is composed of 64 LEDs built into a spiral sitting on a piece of protoboard. Underneath, the controller uses shift registers and a 555 timer to create two modes of display: […]