The Raspberry Pi Robotics Masters Robo HAT MM1 is an open source robotics controller designed to remove the the initial barriers to starting any robotics project by providing all the hardware you need in one simple, easy-to-use form factor. watch the demonstration video below to learn more about the Robo HAT MM1 created by Robotics Masters specifically for the Raspberry Pi mini PC. Although the Raspberry Pi robotics board is also compatible with Jetson Nano and can even be used standalone.
The Robo HAT MM1 removes the need for a PWM driver, external power, or voltage regulators, and adds additional functionality. Wide compatibility with many open source software libraries such as CircuitPython, SeeSaw, and Arduino IDE means that you can use Robo HAT MM1 in the way that works best for your specific project. The hardware schematics and software will be fully available and open source.
Launched via the Crowd Supply website this week the robotics board is now available from just $45 with free shipping throughout the United States and worldwide shipping available from just $10. Its creators explain more about the inspiration behind the Raspberry Pi robotics board.
“One of the core drivers of this project was the changing curriculum in Australian schools – all students must now learn to code as part of their technology course (this change came through in January 2019). Project Based Learning (PBL) – learning through doing or creating something seems to be the best way to teach students programming. We wanted to create a platform that could be used to learn the very basics of programming, all the way up to robotics and autonomous cars and beyond! The Robo HAT MM1 is one of the ways we hope to achieve better programming education in schools.”
Specifications and features include :
- Processor: 48 MHz SAM D21G (M0)
- Memory: 32 KB SRAM
- Storage: 256 KB internal programmable flash + additional 8 MB SPI flash
- Multi-product Compatibility
- Jetson Nano
- Raspberry Pi: all models with 40 pin header
- Model B+, 2B, 2B+, 3B and 3B+
- Model A+ and 3A+
- Zero and Zero W
- Raspberry Pi Interfacing
- Two (2) GPIO directly to Raspberry Pi (general I/O control)
- Two (2) GPIO directly to Raspberry Pi (SW programming)
- Two (2) GPIO directly to Raspberry Pi (UART-serial console)
- I²C to Raspberry Pi
- EEPROM recognition
- Programmable I/O: All are re-programmable to match a supported special function
- Eight (8) x 16-bit servo output (programmable up to 24-bit)
- Four (4) x 16-bit RC controller input
- Two (2) x Serial console pass through
- One (1) x NeoPixel output
- Nine (9) x GPIO pins through SPI / GPS ports
- Sensor Interfacing: Also re-programmable as general IO pins
- Dronecode Compatible Connectors
- SPI
- GPS
- USART
- I²C
- Dronecode Compatible Connectors
- Triple-redundant Power Supply Support
- Feedback through servo power rail (e.g., from ESC)
- 5 V from on-board regulator powered through main battery
- 5 V from on-board regulator power through backup LiPo battery + charger via USB
- Built-in Protection
- USB Port is protected from voltage spikes
- All power rails are protected by reverse voltage protection circuits.
- 5 V regulator is able to power Raspberry Pi
- Sensors
- INA219 current sensor
- MPU9250 9DoF high-precision IMU
- Add-on boards through I²C and SPI (such as pressure sensor, secondary IMU, etc)
- Physical Dimensions
- Standard HAT format
- Length: 65 mm
- Depth: 56.5 mm
- Height: 30 mm
Source: CS
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