Cheap Bluetooth audio receivers explained: pros, cons, how to use

Time to explore the peculiarities of these cheap Bluetooth receiver modules. They let you easily and cheaply add Bluetooth audio connectivity to sound systems with analog input: old stereos and radios, iPod docks, car hi-fi and more. They offer okay sound at a very low price. For DIY enthusiasts, these Bluetooth modules can be used for making cheap wireless speakers. But shopping for these can be a gamble. Sometimes the range is great, sometimes - not so much. Noise could be an issue too if the wiring is less than optimal. 🛒 Shopping links*: 🟢 Bluetooth AUDIO RECEIVER: ➡️ Amazon US https://amzn.to/3yA6y2g - according to the reviews, these are reliable and don't have the Chinese lady voice ➡️ AliExpress: https://bit.ly/3V5SzJ1 ⚠️ As mentioned in the video, it is hard to tell how these modules behave exactly looking at the shopping page alone. 🟢 The oscilloscope I use: https://amzn.to/3J71k02 (Amazon US) 🟢 The wireless microphone I use: https://amzn.to/4bGMnPh (Amazon US) 🟢 OLFA cutting mat: https://amzn.to/3HX3Ipp (Amazon US) 🟢 A Basic Multimeter: https://amzn.to/43Cjnom (Amazon US) 🟢 Mini Breadboards: Amazon US: https://amzn.to/3vvFtfC AliExpress: https://bit.ly/brdbd1 🟢 3.5mm Breakout Board: Amazon US: https://amzn.to/3V36ilb AliExpress: https://bit.ly/3UItDr0 🟢 OLFA Cutting Mat: https://amzn.to/3HX3Ipp *Affiliate links. I may make a small commission, but the price you pay DOES NOT change. Your support helps me make more videos. Thank you! Stock Photo Credits: Anna Tarazevich/Pexels: https://www.pexels.com/photo/stereo-a... Ivan Rudoy/Unsplash: https://unsplash.com/photos/a-bunch-o... CHAPTERS: 0:00 Introduction 0:19 What do Bluetooth receivers do? 2:03 What they cannot do 3:01 How to power them 5:16 How to connect to speakers? 5:56 Bluetooth range 6:45 Sound quality 7:23 Bluetooth noise issues? 9:01 Chinese lady voice 9:56 Conclusion #electronics #diy #bluetooth ******* More cool stuff on Instagram:   / leftymaker   Follow me on TikTok:   / leftymaker   Donate on Ko-Fi: https://ko-fi.com/leftymaker