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Tesla Model 3 Y Drive Unit Open Source Logic Board

Developing an open source logic board to run the Tesla Model 3 Y drive units.

damien-maguireDamien Maguire
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For almost 5 years now I've been working on a solution to provide an open source control system for the Tesla Model 3 / Y drive units. A few years ago I started the project to reverse engineer parts of the original Tesla OEM board like the gate driver and blend it with some OpenInverter goodness. Thanks to a good friend collaborating on the project this year it's picked up some speed. Design is being done using Kicad 8. Now updated to Kicad 9 and project now fully opensource : https://github.com/damienmaguire/Tesla-Model-3-Drive-Unit/tree/master/Design/M3DU_BoardV3_2

M3_V32.jpg

V3.2 board fully installed in inverter.

JPEG Image - 1.79 MB - 03/08/2026 at 12:23

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board_jlc_inverter.jpg

It even fits:)

JPEG Image - 1.36 MB - 05/07/2025 at 08:35

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board_jlc_powerup.jpg

First prototypes arrive.

JPEG Image - 1.80 MB - 05/07/2025 at 08:33

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Screenshot from 2025-01-09 15-17-36.png

Done:) well, at least it passes DRC. Who know if it will work...

Portable Network Graphics (PNG) - 1.26 MB - 01/09/2025 at 15:29

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