DFRobot Gravity Analog pH Sensor Kit V2 for Arduino transparent yellow Check with your dealer before

Check with your dealer before purchasing a Yún if you believe you may live in such a country

and clean ESP-12E module at its core

It has 8 Digital pins

it includes an FS1000A transmitter and a matching receiver operating at 433 MHz

DFRobot Gravity Analog pH Sensor Kit V2 for Arduino transparent yellow Check with your dealer beforeAdd Reliable pH Sensor Meter Analog Kit V2 Gravity for Arduino Sensing to Your Next Build This pH meter V2 is designed to measure the acidity or alkalinity of a solution. Common uses are for aquaponics, aquaculture, and environmental water testing. As an upgraded version of pH meter V1, this product greatly improves the precision and user experience. The onboard voltage regulator chip supports the wide voltage supply of 3. 3~5. 5V, which is compatible