A few images to illustrate my recent work
PCB to interface Notecard with M5 Stack
Early prototype of Notecard with M5 stack
GUI for spectrophotometer data capture and processing
Sensor control box using Notecard and Circuitpython
includes gas pumps and valves, methane sensor, pH and temperature probe interfaces
Testing LTE connectivity in the mountains with a directional antenna (spot the rainbow)
Leveraging unconventional battery technologies