Fan that follows the temperature
I want to build a temperature-controlled fan switch on an Arduino Uno with a DHT11 and a single-channel relay that turns the fan on above 30 degrees.
Parts
Arduino Uno R3 CH340G ATmega328P Board In stock
DHT11 Temperature & Humidity Sensor In stock
5V Single Channel Relay Module In stock
Male-to-Male Breadboard Jumper Wires (20 cm, 24 AWG) In stock
USB Type A to B Cable (1m) In stock
Pins, wiring and code
The pin table, the wiring steps and the code for this build are in Soldr. Start this build on Soldr - you can change it before you buy.