Connect Po to Analog input A0 on Arduino, and G to Arduino GND. Run the given Arduino sketch below, and open the Serial Monitor of Arduino IDE to observe the reading, slowly adjust the potentiometer ...

Measure pH levels using a pH sensor module with esp8266. ... Circuit Setup. ... Open the Arduino IDE with ESP8266 board support installed. Create a new sketch and paste the provided Arduino code.

The soil moisture sensor module , built around the LM393 comparator, gives an active-low (L) level output when the soil is dry (determined by a pre-setted threshold value). This digital output (wet ...

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ow… ...