Amazon.com: Gowoops 2pcs DHT22/AM2302 Digital Humidity and Temperature Sensor Module for Arduino Raspberry Pi, Temp Humidity Gauge Monitor Electronic Practice DIY Replace SHT11 SHT15 : Electronics
Wireless Thermometer Using 433 MHz RF Link Using Arduino | Homemade Circuit Projects
IoT Arduino Wireless Temperature Humidity sensor - NCD.io
My first arduino project! A wireless thermometer reading usin HC12 modules and an LCD screen. I connected this to the greenhouse I built in the backyard to keep tabs on my plants :