*custom-built dog feeder* You better not hook up to the amplifier. There's a sli... | Hacker News

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narag on Jan 1, 2019 | parent | context | favorite | on: Build your own IoT/MQTT node for less than $2

custom-built dog feeder

You better not hook up to the amplifier. There's a slight possibility for overload.

https://www.youtube.com/watch?v=WjX1jU9pQeY

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