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In order to create an analog dial gauge display, as well as enable the hanging weight display, we used two servos, each with a spindle to hang and adjust the height of the weight, and a needle to display on the gauges. The lower gauge displays the live electricity usage in the users home. To represent this, we used a Wemo smart outlet to communicate when a light was on and off, and reflected that in the gauge. The upper gauge shows the real time grid demand for the user’s utility provider. Ideally, this would be pulling data from a website such as this, which displays the demand on the UK electric grid. For demonstration purposes, we included a function in our code so that the gauge would adjust based on time of day.

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