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Intro

  • Who

  • Why

    • we want to space ESCs out, have a higher datarate, and less harness complexiy

    • CAN supported ESCs exist but more expensive and not what we have alr, we like what we have right now

    • DSHOT is already a digital protcol that’s busable

      • single ended

      • prone to ground loops and common mode SI

      • 100mil hdrs into pixhawk and from ESC

  • What

    • board solders onto the ESCs both DSHOT data pins that has a JST CAN connector to pixhawk

    • the firmware and hardware will not implement an ESC, we will continue to rely on COTS for this assuming the COTS solution features a standard DSHOT 100mil pitch connection (as the APD ESCs we have right now do)

  • How:

    • small STM and a CAN transciever, may require a little LDO for power, see below for design procedure

  • When

    • Starting Early June 2024

Table of Contents

Subpages

Design

System Wiring Diagram

how this board connects to ESC and system

CAN Header Selection

copy pixhawk for MPN

input and output CAN hdr

ESC Connection Selection

100mil hdr mount onto it

Micro Selection

some STM

CAN Transceiver Selection

copy pixhawk?

common mode choke plz

Power Decision

LDO to power the transciever?

how much capacitance

Board Outline Sketch

Roughly how will system look?

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