Rev 3 - F2021 - Taylor McNabb

tmcnabb@uwaterloo.ca

Overview

  • System shall communicate bi-directionally with the Jetson using CAN

  • System shall be able to take in 5V from PDB (all devices run on 5V)

  • System shall control Hitec HS-311 Servo via PWM signal

Current Schematic PDF:

GitHub Link: https://github.com/uwrobotics/MarsRoverHardware/tree/master/Projects/Gimbal/2022/Rev3

Rough Architecture

 

Part Selection (WIP)

  • 3.3V LDO (XC6210B332MR-G)

  • EFM32 - EFM32TG11B520F128GQ64-A

    • Has SPI, CAN, and PWM

  • Hitec HS-311 Servo

    • Need to make/find schematic for servo connector

    • 3 pins: 5V, GND, PWM

  • 5V to 3.3V Level Shifter (TXS0104E-Q1)

    • Need to determine the package