How to get started with the BM20 Evaluation Board?

Follow these steps to get BM20 working out-of-the-box:


Connect your EVB to the computer through Micro-USB port.


Make sure the board is in ROM APP mode. Use the three-Switch configuration to put the module in ROM APP mode is: Switch 1: OFF Switch 2: OFF Switch 3: ON.


The slide switch should be in the 'OFF' position.


Connect the speaker to the SPK port. It uses a 3.5 mm jack.


Press the Reset button (RST_N) and it should light up the RED LED.


Press and hold MFB button (Btn0) until you see the RED and the BLUE light blink alternately.


On your mobile device, turn the Bluetooth® feature on and search for the devices. You will find 'BM20_EVB'.


Connect to the device and play music.

For more details refer to the "BM20 Bluetooth® Evaluation Board User’s Guide" available on the BM20 product page.

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