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The BM67C741-1 is a Bluetooth 5.2 BLE transparent transmission module based on the 32-bit Bluetooth 5.2 BLE MCU, HT32F67741. It provides two UART interfaces (Tx, Rx) to transmit and receive commands. The module is suitable for mass production.
You can use the module with the APP "BCBLEDemo", and the development board, BCE-GENTrx0-001. Use e-Link32 Pro to program the code to the development board, pairing your mobile phone and module via Bluetooth, and you can press the buttons on the development board or APP to control the LEDs on the other side.
App: "BCBLEDemo" can be searched on Apple app store.
We did not launch the APP on Android Play store. To use the APP, you need to scan the below QRcode, download 'bcm7602.apk', and install it.
Steps
Connect the BM67C741-1 to the development board, BCE-GenTrx0-001, via a breakout.
Use the e-Link32 Pro and software e-Link32 Pro ICP Tool to program the code to the BM67C741-1.
The code can be downloaded on the "Documents" label.
The BCE-GenTrx0-001 supports four types of power sources. Select one of the power sources to power the board.
Power Supply
1. External power (VEXT): connect to external power which does not exceed 3.6V.
2. Micro USB:
(1) LDO33: connect to 3.3V power, and move the J2 jumper to USB.
(2) VUSB: connect to 5V power.
3. Batteries (BATT): put two 1.5V AA batteries in the holder.
4. DC power (LDO33): connect the power to the DC jack which does not exceed 12V, and move the J2 jumper to DC JACK.
★ Select one of these power sources above, put a jumper on the corresponding pin header, and turn on the power switch.
Download the App, BLEDemo, on your mobile and turn on the power of the development board.
Enable the Bluetooth on your mobile and open the APP to pair with BM67C741-1.
You can evaluate the module’s function if the pairing is successful.
RESOURCES
MCU: HT32F67741, 32-Bit Arm® Cortex®-M0+ BT5.2 BLE MCU, including datasheet, package information, etc.
Application note: AN0624EN, BM67C741-1 Application Note, including BCE-GENTrx0-001 hardware overview, BM67C741-1 library, etc.
