Raspberry Pi 4 (2-4Gb RAM)
Raspberry Pi 4 2Gb ~60$
OR
Raspberry Pi 4 2Gb ~40$
GPS modules
UBlox F9P module with USB port ~150$
GPS antennas
Helix multifrequency antenna for RTK GPS ~50$
OR
Round multifrequency antenna for RTK GPS ~50$
IMU sensors
BNO 085 IMU sensor ~20$
Analog-digital convertors (ADC)
ADS1115 ~2$
Steering Motors
DC motor 350rpm ~73$
OR
Keya BLDC with CAN-bus control
Motor drivers for DC motor
IBT-2 ~2$
OR
Cytron MD13S ~20$
Wheel angle sensors
AA-ROT-120 ~20$
CAN bus adapters (for ISOBUS connection)
USB CAN
Screens
10.1 with integrated touch ~113$
OR
Bright LCD
M