8-bit Valentine with MeowCAD

abetusk designed an “8-bit” style LED heart with MeowCAD and has shared the board on OSH Park:

8bit heart 20150503

Order from OSH Park

The LED matrix is controlled by an Atmel ATMega328 microcontroller and the code to scroll text available on GitHub:

GitHub: 8bitheart

The parts list for Digi-Key is also available in that repo: BOM.csv

Here’s a video of the 8-bit heart in action:

abetusk is the creator of MeowCAD:

An online free and open source electronic design tool that runs in your browser.

The 8-bit Heart schematic and layout can viewed and edited on MeowCAD:


For more information checkout:



8-bit Valentine with MeowCAD

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