February 15, 2024
words 1250
words 1250
Notes on choosing soil moisture sensors for IoT garden projects, including resistive vs. capacitive sensors, common reliability problems, protection methods, calibration, and a practical recommendation for future builds.
January 13, 2023
words 1082
words 1082
A diagram-first overview of a practical IoT system architecture, covering devices, edge hubs, messaging, APIs, backends, and user interfaces.