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Happy Holidays gift tag

A gift tag for the holiday season including a 7x10 LED matrix, which can show a personal text message.

cfCF
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  • The 2018 Hackaday Prize
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2018 THP: Digikey Parts

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This project is submitted for

  • Coin Cell Challenge
  • The 2018 Hackaday Prize
  • Open Hardware Design Challenge

This project was created on 12/08/2017 and last updated 7 years ago.

Description

The Happy Holiday gift tag shows a personal text message on a 7x10 Charlieplexed LED matrix. It's been powered by a CR2032 coin cell. The firmware includes a serial connection to upload new messages on the fly.
You can set up five different messages in the memory. Beside of that you can change the repetition numbers how often the message is shown after pressing the button, the brightness and the speed of the running text.

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Bruno Bronosky wrote 12/14/2017 at 20:23 • point

This is really cool. Have you made this PCB available anywhere?

  Are you sure? yes | no

CF wrote 12/27/2017 at 23:32 • point

Hi, sorry for my late reply. I have it in my shop: http://du-kannst-mitspielen.de/elektronik/platine-happy-holidays/ but it was sold out very fast this year. I'll make some new ones for next year.

  Are you sure? yes | no

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