Arduino is a popular brand of open-source microcontrollers that can be used for a variety of DIY projects, from educational settings to home theater to smart home management. The microcontrollers are ...
The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...