Legacy firmware. This guide covers the original HealthyPi 5 firmware. For new builds, use the current guide. Go to the equivalent page →

Release Notes

Legacy guide — no longer updated

Release notes for the HealthyPi 5 Zephyr firmware. Each row lists the changes by firmware variant (Basic, BLE, Display, Logger) for that version.

Latest releases are at the top. For the source and downloadable binaries, see GitHub Releases.

v1.0.0

Highlights

  • Fixed several data-loss issues present in earlier versions
  • Improved on-device algorithms for accuracy and responsiveness
  • Added support for the new ILI9488 (white) display board (KLD35)
Firmware Changes
Basic • New data-logging feature — record to SD card directly
• Simultaneous streaming over USB, BLE, and display
• Fixed serial-send issue
• Fixed BT Host Controller Interface (HCI)
• Added home screen for Basic-mode streaming
Display • Split the display module into separate screens

v0.5.0

Highlights

  • Upgraded to Zephyr 3.6
  • Multiple minor bug fixes
Firmware Changes
Base —
BLE • Fix: BLE stack issue
Display • Improved display plot efficiency
Logger • New: data logging to the mobile application

v0.3.4

Firmware Changes
Base —
BLE —
Display —
Logger • New: data logging to the mobile application

v0.3.3

Firmware Changes
Base —
BLE • Fix: respiration waveform on BLE app
• Fix: respiration rate display on BLE app
Display —
Logger —

v0.3.1

Firmware Changes
Base —
BLE • Added PPG streaming
Display • Fix: temperature display error
• Fix: replaced switch handler with gpio-keys input device
Logger —

v0.3.0

Firmware Changes
Base —
BLE • Fix: temperature unit issue
Display • Fix: PPG scaling issues
Logger —

v0.2.0

Firmware Changes
Base —
BLE • Added PPG streaming
Display —
Logger —

v0.1.6

Firmware Changes
Base • Added respiration rate
BLE —
Display • Added respiration rate
Logger • To be released

v0.1.5

Firmware Changes
Base • Displays heart rate, SpO₂, temperature
• Streaming of ECG, PPG, respiration
BLE • Displays heart rate, SpO₂, temperature
• Streaming of ECG
Display • Displays heart rate, SpO₂, temperature
• Streaming of ECG, PPG, respiration
Logger • To be released