– USB Sound Card ( SYBA USB sound adapter / FG-UAUDV1-C119) – Bluetooth dongle ( Panda Bluetooth 4.0 USB Adapter) In this post, I’ll use a USB sound card with a 3.5 mm jack microphone.Īlso, as mentioned above, we’ll use a Bluetooth dongle instead of on-board Bluetooth chip. Since Raspberry Pi doesn’t have microphone input by default, it need to be added. Here is the list of contents of this post. So, we have to use a Bluetooth dongle instead. It seems that the problem is related with the chip. The original plan was to use Raspberry Pi3’s on-board Bluetooth chip for this project. There is one thing needs to be mentioned before start. The purpose of this post is to enable Bluetooth Handsfree Profile (HFP) on Raspberry Pi so that Raspberry Pi can act like as a handsfree speaker phone or a handsfree car kit. If you are using Raspbian Stretch, please refer here instead of steps below.
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