# Change Log MHZCO2

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

The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).


## [0.1.2] - 2023-01-18
- fix build - SoftwareSerial problem
- fix version in .cpp
- fix date in changelog
- minor edit in readme.md


## [0.1.1] - 2023-01-06
- rename to MHZCO2
- create derived classes
- move code from .h to .cpp
- add lastMeasurement()
- improve documentation
- refactor, rewrite, optimize


## [0.1.x] - 2020-09-01
- add PWM and analog examples for MHZ19B

## [0.1.0] - 2020-05-05
- initial version (MHZ19B)