This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create a compact yet capable environmental monitoring system. It measures ambient ...

Tested and works great with the Adafruit INA237 and INA238 Breakout Boards. These chips use I2C to communicate, 2 pins are required to interface. Adafruit invests time and resources providing this ...

A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.