Canbus Heads Up Display for Megasquirt
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The display is fully customizable so you can send whatever code you want to it so you can get it to do what you want. I can definitely provide the pinouts for the SPI for each module if necessary. Lemme know!Leave a comment:
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I'm definitely interested (as long as I can customize what is displayed, even if that means writing code)Leave a comment:
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Sure!
The setup is quite simple in terms of architecture, which includes the ESP32-S3 brain, a generic 2.8" IPS LCD display, Canbus transceiver, MCP ADC for the oil pressure transducer, and various buck converters for power conditioning.
I was interested in selling a few and seeing if there were any interests otherwise I was going to keep them as spares.
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Looks awesome!
Can you share some more about the setup? What kind of microcontroller & screen?
Is this something you would be looking to sell? Seems like it would work well in my MS3X powered E30.Leave a comment:
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Canbus Heads Up Display for Megasquirt
Hi guys,
I got tired of having a bunch of bulky standalone gauges in the car (AFR, boost, oil pressure), so I ended up designing and building a small HUD that pulls data straight from the Megasquirt CAN bus. It started as a personal project and turned into about a six month effort between hardware, firmware, and the housing, but I’m really happy with how it fits into the E30 interior and keeps things looking clean and OEM-ish.
The HUD currently displays:
AFR
Vacuum / Boost
Coolant temp
Intake air temp
Oil pressure
Battery voltage
It can be powered either by 12V from the car or by 5V over USB (one at a time).
This does not work with stock ECUs. It’s intended for Megasquirt setups only.
I wasn’t planning on selling these and originally built it just for my own car, but I figured I’d share it here and see if there’s any interest in something like this within the community.2 PhotosTags: None👍 2

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