Does anyone have actual pictures of their setups?

Im looking for actual pictures of peoples setups or wiring diagrams of how everything is hooked up. I am wanting to do wired connections not bluetooth or wifi connections. I will be running the stock ecu and a holley ecu. I am planning to use a khadas vim, and i need to figure out how to get the can signals from the holley and the stock ecu to the Khadas. I am new to all this, I am good with wiring stuff, im just looking for input on how to do this or installations that show how stuff is hooked up. diagrams etc are all helpful.

This controller on two ATMega328 for two CAN-bus
Also you can see video how do it connected
This second version, and I begin developed third version on AT90CAN64