It’s a simple enough idea, and with an Arduino and a DHT11 temperature and humidity sensor, it was pretty easy to put together. The clothes dryer used for this experiment was a self-ventilating ...

This Arduino grow-op monitoring solution helps to solve ... The board is an Uno and has an SD card shield with a DHT22 temperature sensor plus a soil moisture ... Humidity, temperature, ...

It comes with a built-in DHT22/AM2302 temperature and humidity sensor and has slots for a mini OLED display, waterproof DS18B20 temperature sensor, and empty slots for up to three additional I2C ...