High Tunnel controller


I’m using to photon to control one of our High Tunnels. We grow tomates and cucumbers for market there during the summer, starts seedlings in the spring and house a flock of chickens there during the winter month. The photon is controlling two rather large ventilation doors (2,5x,2,5m). A wiper motor is driving a home built winch which opens or closes the doors based on temperature. Eight car relays is forming a H-bridge and an old PSU is providing the power.

The photon is also sending temperature data to Ubidots from three one wire sensors. In the future I plan to log humidity and sunlight as well.

The photon has been really easy to work with and I’m actually quite proud of the system. :slight_smile: