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Maker uses Raspberry Pi and AI to block noisy neighbor's music by hacking nearby Bluetooth speakers
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
You deserve the consequences, too.
As annoying as loud music might be (9AM definitely isn't early lol), it's not up to you to decide what the appropriate volume for someone to play music on their property is. They very probably are perfectly legally entitled to do so.
Maliciously attacking their shit is not OK.