Alexa, Flush the toilet
thingiverse
All code and a full write-up is available at http://smilenerd.com/alexa-flush-the-toilet. As the title suggests, I've been working hard to create a way to flush a toilet and integrate it into my home automation system. I integrated the commands to work with my Amazon Alexa for ease of use using custom Arduino code. The original handle on the toilet works as normal. A servo is mounted in a custom 3D printed case that fits above the flapper and around the overflow valve. The servo wires are connected to the NodeMCU, which is housed in a custom 3D printed case that hangs on the side of the toilet. The entire system is powered through a single cable, either using a power bank or a standard USB-B phone charger. <iframe width="560" height="315" src="https://www.youtube.com/embed/-7Jc48YIt5Y" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>
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