The Twenty Percent

Plants And Sensors

Hardware

We need some sensors for another project, som I’m going to spend a few weeks on that (and put Plapp on hold for now).

WiFi Board

Arduino UNO WiFI

Shield

Sensors

pH

Measure the pH in the water, so we may glean something about nutrition?

Alternatives:

Electric conductivity

Alternatives:

Humidity (& Temperature)

Measure air humidity, to protect the room and prevent rot, etc.

DHT11 vs DHT22: DHT11 is slightly less accurate, but cheaper.

Programming a DHT11 sensor

Alternatives (DHT11)