ESP32 CANBus Sniffing: Wirelessly Extract Data from Your Car

Time to dive into the dark art of CANBus sniffing and data extraction. I've never done it before, so follow me as I figure it out and update my custom 350z speedo gauges to run off wireless CAN data.

All code and components provided below!

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🔗GitHub Repos
ESP32 CANBus Sniffer - https://github.com/valentineautos/esp...
Updated Speedo Gauge - https://github.com/valentineautos/can...

🔗Arduino Libraries
esp32_can - https://github.com/collin80/esp32_can
can_common - https://github.com/collin80/can_common

🔗 Components
Mr. DIY CANBus Shield - https://store.mrdiy.ca/p/esp32-can-bu...
Mr. DIY's Channel -    / @mrdiyca  
2.1" LCD Display - https://s.click.aliexpress.com/e/_omY...
LCD Driver ESP32-S3 - https://s.click.aliexpress.com/e/_EG1...
ESP32-WROOM-32D - https://s.click.aliexpress.com/e/_EHI...
ESP32 Dev V1 - https://amzn.to/4guJ5Ro

Julius Analysis AI - https://julius.ai/
SavvyCan - https://www.savvycan.com

00:00 Intro
00:55 Mr. DIY CANBus Shield
04:30 ESPNow example setup
11:09 First test
13:35 Setup validation
16:18 Data extracted!
17:11 PID standards
21:40 Data analysis
22:26 "Pattern" drving
24:56 Graph analysis
33:49 PID and byte filtering
36:00 Value comparison
39:59 RPM ratio adjustment
44:56 Gauge test
45:48 Rate limiting
47:20 Final test drive
48:24 Round up and next steps

#canbus #esp32 #aitools #analysis