Changelog

All notable changes to this project will be documented in this file.

NOTE: the project follows Semantic Versioning.

Firmware

v1.10.0 - February 4th, 2026

• [enhancement] #49 - Erasing the data should reformat the data partition to avoid fragmentation issues

v1.9.0 - September 30th, 2024

• [critical] #31 - Change the web service to use 192.168.4.x
• [enhancement] #19 - Provide a way to set temperature and humidity offsets
• [enhancement] #47 - Add method to download saved reading through the USB port

v1.8.1 - December 8th, 2023

• [bug] #44 - RFA should not go negative
• [bug] #45 - Sensor springs back to life ~2.75h after being powered off from the menu
• [bug] #46 - Compile fails with latest version of M5-CoreInk library

v1.8.0 - September 9th, 2023

• [bug] #43 - Date/Time setup shows all zeros
• [critical] #41 - Pre opensource cleanup
• [enhancement] #42 - Add support for v2 hardware

v1.7.0 - April 17th, 2023

• [enhancement] #36 - Add a raw data endpoint
• [enhancement] #37 - Add battery voltage and boot indicator in the saved data
• [enhancement] #38 - Add boot process on the display (like Model C)

v1.6.0 - February 8th, 2023

• [bug] #32 - Saved data does not follow menu setting
• [bug] #33 - Copy to clipboard can not be pasted in a spreadsheet directly
• [enhancement] #34 - Loading messageindicator while the data is loading in the web view

v1.5.1 - August 26th, 2022

• [bug] #18 - Properly display 5 digits PPM values
• [bug] #27 - Bad JSON format
• [bug] #29 - Histogram goes over the temperature when too high
• [bug] #30 - Only 12h worth of data can be downloaded even if dataset contains more

v1.5.0 - July 27th, 2022

• [enhancement] #24 - Increase storage to 30 days

v1.4.0 - July 27th, 2022

• [enhancement] #16 - Add API do download data
• [enhancement] #20 - Provide a way to change between Fahrenheit and Celsius
• [enhancement] #22 - Stop sensor measurements when shutting down to avoid battery drain
• [enhancement] #23 - Lower CPU frequency to get longer battery life
• [enhancement] #25 - Split screen refresh and storage interval

v1.3.1 - June 1st, 2022

• [bug] #17 - Issue with shutdown method on some lot
• [critical] #15 - Lock espressif32 platform to v3.5.0

v1.3.0 - May 5th, 2022

• [enhancement] #13 - Improved calibration sequence
• [enhancement] #14 - Ability to change the screen refresh rate

v1.2.0 - March 11th, 2022

• [enhancement] #12 - Add the rebreather fraction of air display

v1.1.0 - February 25th, 2022

• [enhancement] #10 - Add boot logo

v1.0.1 - February 14th, 2022

• [bug] #9 - Display artifacts

• Inivial version

v1.0.0 - February 1st, 2022

• Inivial version