Husarion Core2-ROS controller (old)


Leo Rover is based on CORE2-ROS electronics board which, together with the Raspberry Pi computer, controls all the Rover's functionalities.

We encourage you to check all the specs of the board itself as there's a great number of interfaces to be used for further development.

Electrical specification

Interface Description Parameters
Power input 6.8-16V 70...3000mA current consumption, depends on external modules
standard 5.5/2.1 mm DC plug (centre-positive)
I/O ports 54 ports 3.3V/5V tolerant GPIOs
series resistance is 330Ω
ADC up to
13 channels
12-bit resolution
PWM up to 10 channels:
- 6x 3.3V
- 4x H-bridge output
Period range for 3.3V outputs: 1...65535 μs
Frequency range for H-bridge: 1Hz...21khz (in 16 steps)
UART up to
4 channels
baudrate: 4800, 9600, 14400, 19200, 38400, 57600,
115200, 128000, 256000, 1000000, 2000000, 4000000
I2C 3 channels up to 400kHz
SPI 1 up to 1 Mbps
CAN 1 500kbps
External Interrupts up to
8 channels
triggered by an edge or voltage level

Content from Husarion Core2-ROS manual.

To learn more visit: https://husarion.com/manuals/core2/

Ports used in Leo Rover

To make it easier, we listed all the interfaces used by the Rover as default. Just to make sure you don't interfere with them when developing.

Power Input
to power the board and Raspberry Pi
hExt pin 1 (I/O) to control the battery LED (to show the system readiness)
hMot A, B, C & D
(PWM H-bridge)
to power the Rover motors and encoders
USB hSerial used to flash firmware to the board
(doesn't need to be connected all the time)

Additional warning

Take into consideration during the Rover assembly and development.

The board corner where there's power connector and power-related components tends to interfere with sensitive electronics such as wheel encoders. Make sure the encoder cables don't run on top of the corner.


Need help? Contact us - contact@fictionlab.pl