DFRobot TEL0120 Manual - Halaman 7

Jelajahi secara online atau unduh pdf Manual untuk Unit Kontrol DFRobot TEL0120. DFRobot TEL0120 18 halaman.

Fig1: Enter AT+HELP=? to get AT Command List

Bluetooth Connection

Before using BLE4.1 series devices, it is better to know some key buttons first.



BOOT: Update Bluetooth firmware/Enable the approach connection (<10cm).

Firmware update**: Press and hold the "BOOT" button until you plug USB cable, entering firmware

update mode. For any enquiry, please refers to the part: Firmware Update. (You can release your

hand after you plugged the USB cable.)

Approach connection**: Press and hold the host BOOT button, approach the slave Bluetooth

device to connect.



WAKEUP: the button can wake up the device from low-power consum[ption mode (you can also

connect this pin to MCU to realize the same function)



RST: BLE4.1 reset button

Below is the BLE4.1 minimum system circuit diagram for your reference: Fig1: the BLE4.1

minimum system circuit diagram