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 ...
May 19, 2014 Add as a preferred source on Google Add as a preferred source on Google Keeping track of things like the temperature, humidity, and smoke level in your house is important. If you want to ...