mRo X2.1-777

Created OnJuly 13, 2020

Last Updated OnJanuary 27, 2022

byLeonardo Garcia

Background/History of the Product:

The mRo X2.1-777 is the reduced version of Pixhawk1 with better sensors and more flexibility. This board will “work out of the box” with PX4 and Ardupilot. Populated with the extremely powerful STM32F777 microcontroller.

Specifications

Specifications	mRo x2.1-777
Main Processor	32-bit STM32F777 Cortex M4 core with FPU 216 MHz
IO Processor	32-bit STM32F103 failsafe co-processor
RAM	512 KB RAM
Flash	2 MB FRAM
Crypto / Hash Processor	Yes
Accelerometers / Gyros / Mags	2 / 2 / 1
Sensors	Invensense/TDK ICM-20602 (6DOF) Invensense/TDK MPU-9250 (9DOF)
Sensors – Dampened	None
Internal Magnetometer	AK8963 inside MPU-9250
Barometer	MEAS MS5611
Interfaces and Protocols	5x UART (serial ports)[2x with HW flow control, 1x CAN]. 1x PPM sum signal 14x PWM/servo outputs (8 with failsafe and manual override, 6 auxiliary, high-power compatible) 1x RSSI (PWM or voltage) input 1x I2C (Via GPS port) 1x SPI 2x ADC inputs Supported RC input protocols: Spektrum DSM / DSM2 / DSM-X® Satellite compatible input up to DX8 (DX9 and above not supported). Futaba S.BUS® compatible input and output.
Connectors	-JST GH series connectors -Servo Header (optional) -External MicroUSB
Pin Headers	Optional
Conformal Coating	Available
Extended Testing and Burn In	No
Custom Carrier Board Support	Yes
LED	Yes
Dimensions	Width: 30.7mm (1.21”) Length: 51.2mm (2.02”)
Weight	15.14g (0.53 oz)
Mounting Holes	30.5mm x 30.5mm (1.18″x1.18″)
Protector Case	Optional
Typical Platforms	-Multirotor -Rover -Fixed-Wing -Boats -Submarines -VTOL -Automatic Tractors -Others