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A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge
This programmable module combines with a Raspberry Pi to serve as the control center of a small robot or electronics project. Its ATmega32U4 AVR microcontroller comes preloaded with an Arduino-compatible bootloader, and the board includes dual motor drivers that can deliver 1.8 A per channel to two brushed DC motors. An efficient voltage regulator (2.7 V to 11 V input) and level shifters enable it to power and communicate with a Raspberry Pi. This version (item #3117) is assembled with selected through-hole connectors and components installed for use as a Raspberry Pi add-on.
Compare all products in Robot Controllers or Raspberry Pi Expansion Boards or A-Star 32U4 Robot Controller.
Description | Specs (19) | Pictures (12) | Resources (22) | FAQs (0) | On the blog (3) |
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Documentation and other information
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Pololu A-Star 32U4 Robot Controller User’s Guide (Printable PDF)
User’s manual for the Pololu A-Star 32U4 Robot Controller with Raspberry Pi Bridge.
File downloads
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Pololu A-Star 32U4 drivers for Windows (version 1.3.0.0) (7k zip)
This download contains the Windows drivers for the A-Star 32U4 and the rest of our 32U4 family of boards.
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Pinout and power distribution diagrams of the A-Star 32U4 Robot Controller with Raspberry Pi Bridge (8MB pdf)
Printable pinout and power distribution diagrams of the A-Star 32U4 Robot Controller with Raspberry Pi Bridge.
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Schematic diagram of the A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge (382k pdf)
Printable schematic for the A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge.
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Dimension diagram of the A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge (2MB pdf)
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3D model of the A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge (23MB step)
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Drill guide for the A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge (188k dxf)
This DXF drawing shows the locations of all of the board’s holes.
Recommended links
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A-Star 32U4 Arduino library
The AStar32U4 library for the Arduino IDE helps interface with the on-board hardware on the A-Star 32U4 controllers.
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AStar32U4 library documentation
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A-Star repository on GitHub
This repository contains Arduino add-on files, Windows drivers, and bootloaders for the A-Star 328PB, A-Star 32U4, and the rest of our 32U4 family of boards.
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Raspberry Pi slave library for Arduino
This is an Arduino library that helps establish I²C communication between an A-Star 32U4 Robot Controller and a Raspberry Pi, with the Arduino acting as the I²C slave. Example Arduino code and Python code for the Raspberry Pi are included.
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Building a Raspberry Pi robot with the A-Star 32U4 Robot Controller
This blog post shows how to build an expandable robot platform based on a Raspberry Pi and an A-Star 32U4 Robot Controller using our Raspberry Pi slave library for Arduino.
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Arduino Software
Arduino integrated development environment (IDE) software
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ATmega32U4 documentation
Microchip’s product page for the ATmega32U4 AVR microcontroller, with links to its datasheet, application notes, and other resources.
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Texas Instruments DRV8837/DRV8838 motor driver datasheet
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AVR Libc Home Page
The web site for AVR Libc, which is the standard library of functions that you can use with C and C++ on the AVR.
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Pololu A-Star and Orangutan Forum Section
The A-Star and Orangutan discussion section of the Pololu Robotics Forum.
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AVR Freaks
AVR community with forums, projects, and AVR news.
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AVRDUDE
AVRDUDE is a cross-platform command-line utility for programming the flash memory on AVR microcontrollers.
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LUFA – the Lightweight USB Framework for AVRs
LUFA is an embedded software library written in C that can be used to create USB applications on USB-capable AVRs. It comes with a large library of example USB applications and bootloaders.
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Microchip Studio for AVR and SAM Devices
A free integrated development environment (IDE) for AVRs. Formerly known as Atmel Studio.
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WinAVR
A free, open-source suite of development tools for the AVR family of microcontrollers, including the GNU GCC compiler for C/C++.