This is a water meter that lets you know how much water is being used at a point.

It helps nudge the user to be conscious of their water usage.

Discover

Refer to the first booklet Discover in the Solve Ninja Techno Kit for information on the components available with the Solve Ninja Techno Kit.

Things you will need

Solve Ninja Techno Kit which will contain:

• Solution Box with Printed Circuit Board (PCB) and acrylic cover
• Power adapter and switch
• Flow sensor
• One 3 pin connecting wires with flow sensor wire
• On board Buzzer
• On board LCD screen

Additional materials:

• 2 x FTA (Female threaded adapter) - to attach flow sensor to pipe
• PVC pipe of 1/2 inch diameter
• Spanner - to tighten parts
• Teflon tape - to prevent leakage through pipe joints
• Electrical wire and sockets for extension

Investigate

Questions you need to ask

Get data. Examples:

• What is the difference between water usage and water wastage?
• What are the relevant units of measurement?
• What is the maximum flow rate of the tap? At what point of opening the tap does this happen?
• What is the ideal flow rate of the tap to perform simple actions like washing hands, utensils, groceries, etc.?

What are the things you need to learn about the user? Examples:

• Who is the user?
• How much water is being used?
• How often is it being used?
• How much is being wasted? How?