Deployment / Delivery Frequency I often end up needing to advocate for more frequent delivery/deployments with clients. There’s the usual benefits commonly discussed such as improved feedback, reduced risk, well understood processes, maintainable dependencies etc… however what’s often missed entirely is how it relates to the health and sustainability of the team. ...
MH-Z19 CO2 sensor reader, logger and visualiser Reads data from UART(serial)-connected MH-Z19 (or MH-Z14) sensor using python 3. If you dare to install nodejs you can visualise the logged data (using html and plotly.js library). Repository: sammcj/CO2-Logger Usage Note this post is from 2016, in 2021 I replaced my custom Co2 loggers with an Aranet4. While very expensive, is and excellent off-the-shelf solution, with many features. Connection Sensor can be queried using 3.3v UART at 9600 bps. Sensor main feed voltage is 5v. ...