v1.1.0

GA2 Production Release of the Sera NX040 Firmware

• MicroPython console input support (sys.stdin)
• Basic BLE pairing/bonding support (Just Works only)
• UWB phone-to-tag ranging support
• BLE GATT server support
• Various bug fixes and minor improvements

Known issues

• Low power modes are not yet operational (PROD-2759)
• This release uses incorrect bootloader keys, so OTA upgrades to and from this version will not work. This will be corrected in the subsequent release.

Flash firmware

To flash firmware onto the NX040 DVK use this command:
pyocd flash -e chip merged.hex

v1.0.0

GA1 Production Release of the Sera NX040 Firmware

• Initial Release containing support for on-device Python scripting
• Compatible with Xbit Desktop, Xbit Mobile and Xbit VS Code extension
• Python module support for:
  • File system operations (“os” module)
  • Ultrawideband radio (UWB) ranging
  • Bluetooth Low Energy (BLE) scanning
  • BLE advertising
  • BLE connections
  • GPIO
  • I2C
  • SPI
  • WS2812 LED strips
  • CBOR encode/decode

Known Issues

• Low power modes are not yet operational [VAS-361]