GitHub - christian-kramer/JieLi-AC690X-Familiarization: Adventures in figuring out how this incredibly ubiquitous, yet incredibly mysterious integrated circuit works.
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integrated circuit - JL (or maybe something else) misterious branded IC's, what is the origin? - Electrical Engineering Stack Exchange
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Where can I find the datasheet for this bluetooth audio receiver chip? JL ACI745AP 16497 5A8 : r/AskElectronics
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integrated circuit - Can't find the datasheet of cheap Bluetooth audio reciever - Electrical Engineering Stack Exchange
GitHub - christian-kramer/JieLi-AC690X-Familiarization: Adventures in figuring out how this incredibly ubiquitous, yet incredibly mysterious integrated circuit works.
![1pcs Bt003 Bluetooth 4.2 Audio Receiver Module Wireless Circuit Board Stereo - Wireless Module - AliExpress 1pcs Bt003 Bluetooth 4.2 Audio Receiver Module Wireless Circuit Board Stereo - Wireless Module - AliExpress](https://ae01.alicdn.com/kf/HTB16YY.CoR1BeNjy0Fmq6z0wVXaW.jpg)