Rev 2 - Dec 2020 - Wolfgang Windholtz
Block Diagram
PCB layout
Functions
- Control two motors through cytron motor controllers
- Control two servos
- Collect data from one quadrature encoder and one Broadcom Aeat encoder
- Collect temperature and moisture data from the STEMMA sensor
- Collect data from 5 limit switches
Features
- Synchronous Buck converter
- ESD protection
- STMF4 MCU
- CAN transceiver
- Molex CLK-in Connector
Change from Rev1 → Rev 2
- LDO→Buck converter
- Added ESD protection
- Upgraded connectors to Molex CLK-IN mate
- Removed voltage divider from reset button
- Changed debugging header
- changed foot print from 0603 to 0805
Peripherals
- Cytron 10A 5-30V Dual Channel DC Motor Driver
- Feetech FS90- 9g analog servo
- Hitec HS-82MG - Metal gear micro servo
- Pololu 4693 motor
- Pololu 4685 motor
- Adafruit STEMMA Soil Sensor - I2C capacitive moisture sensor
Designers
- Wolfgang Windholtz - Schematic and PCB design - WolfgangWindholtz