Contents

Features 1. Introductory materials 1.1. Introduction 1.2. Included Firmware 1.3. How to operate the preprogrammed Application 1.3.1. Joystick input 1.3.2. Menu system 1.4. Known Issues 2. Using AVR Butterfly module 2.1. Connectors 2.2. Programming 2.3. JTAG 2.4. LCD Display 2.5. Joystick 2.6. Sensors 2.7. Connect to PC 2.8. USI 2.9. Dataflash 2.10. Piezo Element 2.11. Battery 2.12. Troubleshooting 2.13. Technical Specifications 2.14. Technical Support 3. Bootloader 4. BOM and Schematics 4.1. Bill Of Materials 4.2. Schematics 5. Evaluation board/kit important notice 6. Legal Disclaimer