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Article shows DIY way to make paper Christmas wish card improved by LED strips, bulbs, and speaker for playing sound. It is built as hand-soldered circuit without any PCB and utilizes AVR DD MCU, SPI Flash and op amp.
For this year, 2023, I created an Christmass tree using PIC12F675 and 20 LEDs. the code is written using MPASM. I programmed the PIC12F675 using PicKit1, but any other PIC programmer will work.
This tree ornament goes beyond a passive attractive display ornament to be a full on interactive experience complete with sound effects and the challenge of a game. This is Space Invaders that can hang on a tree.
A Christmas-themed quiz - judged by a Raspberry Pi and a Lego BuildHat.
You won't know who's won until your prize is delivered. Will you get the chocolate or the brussels sprout?
