I find a good library (Yes, library must to be. This library just use TX1 and RX1 and don't touch any other pins) and the result is same. Speaker (With SD Card Product) and Bluetooth don't work together. What a shame.
I find a good library (Yes, library must to be. This library just use TX1 and RX1 and don't touch any other pins) and the result is same. Speaker (With SD Card Product) and Bluetooth don't work together. What a shame.