Porsche 914 Upgrade Project - 31 - Hacking the Fuel Gauge

The car is almost ready to ship over to Spain, but I looked at the dead fuel gauge and decided I couldn't leave it like that. I reverse-engineered the signals going to the fuel gauge needle and the low fuel indicator light and built an ESP32-based system with two MOSFETs that drives the gauge based on the pack voltage being broadcasted over the car's Wifi network.

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Editor: DaVinci Resolve 18 ... https://www.youtube.com/watch?v=82BUbWtKy8E