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HC-05 Bluetooth schematic for Hyundai Pre-2013 car audio
Since Hyundai schematic does not use 3.3v Accessory detect, HC-05 Bluetooth module connected to a USB cable can be used.
However, the HC-05 need to be configured with the AT command to the correct baud rate and the Bluetooth device name has to be changed to PodModeBT for it to work with PodMode app.
Please google for instructions on how to enable and run the AT commands on HC-05.
We need only USB male plug (Shown as connector B above) to be wired to the HC-05 BT chip as shown below
, on Flickr
Process to connect with PodMode app
1. First, pair the android device with PodModeBT bluetooth device in Settings>>Bluetooth. (Default pin is 1234)
2. Once pairing is successful, open PodMode app.
3. The app will try to connect and once connected, the status on PodMode screen will change to "Connected.."
4. Now you are good to go