SW v2.7.1 + HW v2.7

Firmware: Pycom MicroPython 1.20.2.r6
Software: v2.7.1
Hardware: v2.7

• [New] SCD41 CO2 sensor instead of MQ135
• [New] GPS finally working (now includes hdop as well)
• [Change] Always use all sensors instead of once every ...
• [Change] GPS location is now resolved upon boot, error and button press
• [Change] LoRa fport values and meanings changed
• [Change] Firmware version is now sent through LoRa
• [Change] Error handling now includes UART checks as well
• [Change] Errors are now sent through LoRa, as well as battery level
• [Change] Pinout has been extracted to separate file
• [Change] Values are saved in an OrderedDict instead of ordinary Dict
• [Change] Battery accuracy bumped to three decimals
• [Bugfix] LoRa state is retained through errors
• [Bugfix] OTA update flow bug resolved

How to update:

• using a mSD card and the mSD slot on the Expansion Board (requires upgrade.py below as well on the mSD card) (secret)
• using the Pycom Firmware Updater and the mUSB connector on the Expansion Board

SW v2.6.3

Firmware: Pycom MicroPython 1.20.2.r6
Software: v2.6.3
Hardware: v2.6

• [Change] Improve OTA flow and display information
• [Change] Move GPS to second message of the day
• [Change] Give VOC-value three-byte width in LoRa frame
• [Bugfix] Fix datatypes in error.py
• [Bugfix] Fix datatypes in _main.py

Known issue:

• Datatype bug in updateFW.py, will require injection code on next OTA update

How to update:

• using a mSD card and the mSD slot on the Expansion Board (requires upgrade.py below as well on the mSD card) (secret)
• using the Pycom Firmware Updater and the mUSB connector on the Expansion Board

SW v2.6.2

Firmware: Pycom MicroPython 1.20.2.r6
Software: v2.6.2
Hardware: v2.6

• [New] Error codes to identify various hardware problems
• [New] Allow one-time injection code from mSD card (secret)
• [Change] Move OTA update window from pin-wakeup to poweron
• [Change] Move settings from flash file to NVRAM

How to update:

• using a mSD card and the mSD slot on the Expansion Board (requires upgrade.py below as well on the mSD card) (secret)
• using the Pycom Firmware Updater and the mUSB connector on the Expansion Board

SW v2.6.1

Firmware: Pycom MicroPython 1.20.2.r6
Software: v2.6.1
Hardware: v2.6

• [Bugfix] Fixed local frame counter not increasing
• [Bugfix] Solved swapped GPS lat/long offsets

How to update:

• using a mSD card and the mSD slot on the Expansion Board (secret)
• using the Pycom Firmware Updater and the mUSB connector on the Expansion Board

SW v2.6 + HW v2.6

Firmware: Pycom MicroPython 1.20.2.r6
Software: v2.6
Hardware: v2.6

• [New] Added microSD OTA update support
• [Change] LoRa frame custom decoding instead of CayenneLPP

How to update: using the Pycom Firmware Updater and the mUSB connector on the Expansion Board

SW v2.5 + HW v2.5

Firmware: Pycom MicroPython 1.20.2.r6
Software: v2.5
Hardware: v2.5

• [Change] First stable release

How to update: using Pycom Firmware updater and the mUSB connector on the Expansion Board

(Fun fact: released from Linux)