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

Step 1: Upload Code to Arduino

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

Step 2: Set Up the Flow

Layout the following nodes:

Serial input > function > gauge.

The debug nodes are for troubleshooting.

Step 3: Set Up Function

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

Step 4: 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.