ph Sensor – E-Tinkers

A review on Seeed Studio pH and EC Sensor Kits – Part 1

July 2, 2020November 15, 2020in Arduino, Hydroponics, IoT-Sensors, ph Sensor, STM321172 WordsHenry Cheung3 Comments

For the past several months, I've been searching for a cost-effective pH and EC sensor kit and I evaluate Seeed Studio's new pH sensor kit and EC sensor kit this week. Continue reading "A review on Seeed Studio pH and EC Sensor Kits – Part 1" →

Measure pH with a low-cost Arduino pH sensor board

November 30, 2019November 15, 2020in Arduino, Hydroponics, IoT-Sensors, ph Sensor2766 WordsHenry Cheung22 Comments

I recently bought an Arduino pH sensor kit for measuring pH value of my hydroponic setup, it cheap but has very little information/document on how to use it, so I decided to figure it out myself on how it works and how to use it. Continue reading "Measure pH with a low-cost Arduino pH sensor board" →