Hot Water Tracker

Obtain the supplies below.
Supplies
Supplies Needed:
- Arduino MKR WiFi 1010 (or something of the sort)
- 3 male to female wires
- DHT11 sensor
- NodeRed
- Serial port nodes
- Dashboard nodes
Upload Code to Arduino

Type in the above code and upload it to your Arduino.
Set Up the Flow

Layout the following nodes:
Serial input > function > gauge.
The debug nodes are for troubleshooting.
Set Up Function

Type in the above code to the function in your flow.
Finish

If you did all of this, you should see a gauge that displays the amount of hot water left in your hot water tank in percent form.