axio.ms published an update of the board and firmware of their SMD POV display.
This device is simply 8 bright SMD LEDs and an AVR uC and makes use of the Persistence of Vision effect. You wave it about, and it writes messages in the air, with no wires, liquids or unpleasant bending! Some would say that it’s quite similar to magic. It’s a double-sided kitchen PCB (toner transfer) with a flower on the back. It has a single button; held for a second, it switches it on/off. When on, a quick click switches between a set of predefined messages. It runs off a CR2032 until the end of time.
Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)
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