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ESC Board
Overview
The ESC board will be a carrier board that holds 1X of the Lumenier Mini Razor Pro 4in1 20x20 F3 BLHeli_32 45A 2-6s ESC . This will be connected to the board with castellated holes like the Seahawk II ESC carrier board except the form factor will be shifted to make it so the board will plug into the bottom on the backplane. Doing this will help improve thermal effects on the ESC as it will be sinked directly to the bottom of the electrical box.
I want to change the connectors to reduce the count possibly using board to edge connectors. Also for the connection to the thrusters, I want to have those connections run through the backplane, so the thrusters plug into the backplane instead of connecting directly to the ESC Board. This will make it easier to handle this system because basically all cabling will be connected to one board.
The other large change is the plan to add an RP2040 plus the most minimal required peripherals onto the ESC Board. This will reduce cabling and increase the response time. The Pi4/ Pi5 have 4x UART and we only need 2X / ESC board to communicate over micro ROS. For programing the the board we will either add USB or we could use a UART to serial device.
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