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Pololu A-Star 32U4 Robot Controller User’s Guide

A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge on a Raspberry Pi Model B+.

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1. Overview
1.1. Supported operating systems
2. Contacting Pololu
3. A-Star 32U4 Robot Controller with Raspberry Pi Bridge
3.1. Microcontroller
3.2. User interface
3.3. LV motor drivers
3.4. SV motor drivers
3.5. Power
3.6. LV regulator
3.7. SV regulator
3.8. Raspberry Pi interface and level shifters
3.9. Pinout
3.10. Pin assignments
3.11. AVR Timers
3.12. Schematics and dimensions
4. Getting started
4.1. Installing Windows drivers
4.2. Programming using the Arduino IDE
4.3. Programming using avr-gcc and AVRDUDE
5. A-Star 32U4 Arduino library
6. The A-Star 32U4 USB interface
7. The A-Star 32U4 Bootloader
8. Reviving an unresponsive A-Star
8.1. Reviving using the Arduino IDE
8.2. Reviving using AVRDUDE
9. Related resources

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