Components Required: Arduino Uno/Nano HC-SR04 Ultrasonic Sensor 16x2 LCD with I2C Module Buzzer Jumper Wires Wiring Diagram: How It Works: The HC-SR04 ultrasonic sensor measures distance by sending an ...

In this project we are going to make an Arduino pH Meter and learn how to measure the pH of a liquid solution using a gravity pH sensor and Arduino. A 16x2 LCD is used to show the pH value on the ...

Thermocouple thermometer for Arduino under PlatformIO. Written in the afternoon of Eastern Monday. I had the need to use a thermocouple to verify a little reflow oven. So instead of buying one I ...