Holiday cards that blink and beep have always fascinated us. This is our hackable DIY version, made with an ATtiny13A and a few LEDs. Push the button to play a short light show in the tree. We’re sending these to friends and family this year. It’s a handmade, hackable gift, and it was a ton of fun to build.
The card is also an homage to Velleman’s blinking Christmas tree ornament kit, and a kit-biz reference to the Adafruit Promise. (Did you know Velleman has a nixie tube clock kit? Really!)
You can buy a copy of our card at Seeed Studio. Assembled cards are $15, and a kit for adventurous solderers is $12. We’re excited to gauge interest an SMD kit, and hope to offer it as an option for future projects.
Video, hardware, firmware, and more, after the break.
