🎯 pH Calibration

By Microfire in articles on

pH calibration is a necessary annoyance. Because each probe and module is slightly different, each probe/module combination must be calibrated. pH probes don't give a linear response to pH, rather it gives two (mostly) linear slopes. One slope is between 0 and 7, and the other is between 14…

🐌 The Shell Example

By Microfire in articles on

Each module comes with a Shell example. It provides a command-line REPL-type interface. If a problem can be detected in the hardware or firmware, it will bubble up to an error code. This is great because it will identify issues and tell you about them without wondering why it is…