new MainBoard for Indego Lawn Mower

Schematic: https://github.com/MS71/IndegoRover/blob/main/kicad/IndegoMower/pdf/IndegoMower.pdf

PCB:

Parts:

• ESP32 (S2/S3) Module (https://github.com/MS71/ROS2Mower/blob/master/hw/esp32_module.pdf)
• ARV Mega 128 for low level IO, security and motor driver
• origonal Indego connectors (26SHC-B-1A => mouser)
• DC motor driver: 3 * VNH2SP30 module (41V, 30A H Bridge)
• GPS receiver (ZED-F9P) (https://www.ardusimple.com/product/simplertk2blite/)
• 5 pin header for low cost, non RTK GPS receiver
• 10 Pin RPI Connector (5V, 3.3V, GND, I2C, UART)
• 10 Pin I2C Bus Connector
• 6 Pin I2C Bus Connector
• 5V Step Down Converter
• Bat Charger Circuit (Compatible with Indego Charge Station, difficult)
• Bat Charger Circuit (Compatible with std. 36V solar panel)
• Coil Sensor Amp
• low power + standby
• support for all available sensors
• BNO055 IMU module headers
• support for all sensors (bumper, coil fensem ...)
• power supply for onboard computer
• beeper
• support for LCD and keyboard (difficult)
• some breadboard area for custom extensions
• ...

onboard ROS2 computer: (optional)

• RPI4 or RPI Zero 2W headers
• Orange Pi Zero 2 headers (http:https://www.orangepi.org/Orange%20Pi%20Zero2/)
• ...

Other:

• made with free Eagle (max. 80 qcm) or kicad6