Arduino project using DHT 11 temp/humidity sensors, RGB LED's and Relay board
UNO R3 DHT11 Temperature / Humidty Sensors x 2 RGB LED x 2 4 Channel Realy x 1 6 x Resistors 12v PC Fan
Mega 2560 + WiFi R3 Arduino https://www.codeproject.com/Articles/5284042/A-Tour-of-the-Arduino-Mega-2560plusWiFi-R3 Board = ATmega2560 Wifi Libary = WiFiEsp https://github.com/bportaluri/WiFiEsp