This page describes the changes in each release.
To update your kit, see the system updates guide. All system images can be downloaded from the GitHub releases page.
Compatible with Voice HAT, Voice Bonnet, and Vision Bonnet.
Based on the Raspberry Pi OS with desktop from March 4th 2021.
Fixes
- Sound driver compilation errors on the latest Raspberry Pi OS
- Upgrade Colab TF version to 1.13.1
- Driver source code added to this repository
Compatible with Voice HAT, Voice Bonnet, and Vision Bonnet.
Based on the Raspberry Pi OS with desktop from August 20th 2020.
Fixes
- Driver compilation errors on the latest Raspberry Pi OS
- HACKING.md instructions for Vision Bonnet and Voice HAT
Compatible with Voice HAT, Voice Bonnet, and Vision Bonnet.
Based on the Raspbian Buster with desktop.
Fixes
- Fix driver compilation errors on the latest Raspbian
- Fix HACKING.md instructions
- Fix gpiozero integration
Improvements
- Debian packages are now hosted at https://packages.cloud.google.com/
- Original Raspbian image is modified in the minimal way (no unnecessary packages)
Compatible with Voice HAT, Voice Bonnet, and Vision Bonnet.
Fixes
- Fix tts engine click sound
- Fix
assistant_grpc_demo.service: add DISPLAY environment variable and proper systemd dependencies - Fix various linter findings: python3 compatibility, wrong variable names, etc.
Improvements
- New
board.pyto access button and LED on all boards - New audio API in
voice/audio.py - Direct python support for iNaturalist models
- Load anchors/labels directly from text files
- Add
get_inference_state()andresest()to Vision Bonnet protocol - Add Voice HAT schematic in
docsfolder - Add sparse representation for output tensors to increase data transfer rate
- SVG-image overlay for video streaming (experimental)
Compatible with Voice HAT, Voice Bonnet, and Vision Bonnet.
Fixes
- Fix PulseAudio infinite loop with Voice Bonnet
- Fix PulseAudio volume control
- Fix gpiozero LED on/off bug
- Fix local USB networking on macOS, no driver required
- Fix check_audio.py
Improvements
- Add Makefile for common shortcuts
- Add vision unit tests for all models and examples
- Add video streaming support (experimental)
- Add Google Cloud IoT support (experimental)
- Add more documentation (pinouts, drivers, troubleshooting, etc.)
- Add new code examples and update existing ones
- Add CHANGES.md to track release changes
- Remove unnecessary files (e.g. ALSA configs)
- Update vision driver to support mmap syscall
- Update sound driver to support latest Raspbian image
- Update HACKING.md
Compatible with Voice HAT, Voice Bonnet, and Vision Bonnet.
Compatible with Voice HAT, Voice Bonnet, and Vision Bonnet.
Compatible with Voice HAT and Vision Bonnet.
Compatible with Voice HAT.