Arduino Environment sensors. Temp, Humidity, Plant water. Nov 21, 2015 Here's my plant water/moisture sensing arduinos unos. They're DHT11, 2 nails in a potplant, and 433MHz transmitters. This one lives in the kitchen, monitoring the basil. Subscribe to our newsletter Get the latest posts delivered right to your inbox. Your email address Subscribe Now check your inbox and click the link to confirm your subscription. Please enter a valid email address Oops! There was an error sending the email, please try later. Brenda Wallace Brenda does many things. Lately it's mostly typing softwares, and soldering gadgets.