How to Design a Cheap Plant Watering Sensor (Part 2)
Posted on 2017-02-14— How and Why
I take you through part two of my cheap plant-watering sensor project, testing a prototype: power draw, LED impact, oscillator and MCU startup timing, voltage-divider checks, firmware inputs, and PCB preparation. If you want to see the detailed measurements and next steps, I invite you to read the full post.
