curiosity teardown: Water Leak Sound Detector

It's time to see what's inside this "leak detector" from the last mailbag. It isn't much more than a contact microphone and an amplifier that is supposed to help you find water leaks by listening to the pipes. But it's not all that good. Here's the Aliexpress link where I got this thing: Multi-functional Water Leak Detector Sound Detector for Various Construction Pipe Leak Detection Suitable for Pipe Leak https://pileofstuff.ca/r/fp9wd ----- My tip jar:   / pileofstuff   My other tip jar (channel membership) :    / @pileofstuff   Buy me a coffee (or a beer): https://ko-fi.com/pileofstuff If you are OK with me getting a commission on your purchases, feel free to use my affiliate links: Ebay: https://ebay.to/33IF7PA Banggood: http://pileofstuff.ca/r/9ajsf Some other links to products may be affiliate links #ElectronicsCreators ----- This isn't the only way to do it. It's probably not the best way to do it. But it's how I did it.