Raytac would like to remind following external MCU setting for first time connection with AT command DK Board.
1. Baud Rate: Default setting is 9600 without Flow Control
2. UART PD default setting is “Low”
*a. MCU output set as “Low” to connect the DK Board
*b. If MCU can not set up output “Low”, please use jumper to connect UART PD onto DK board to stay in “Low” (please refer to below pictures）
3. AT Command edit can only be committed under the DK boards is “No-Bonded” (Not Paired).
4. DK default broadcasting set as 30 sec and then enter to sleep mode. Developers can press wake up button to restart the broadcasting!
Provide the AT Command initial default setting as in below
(Pls refer to Spec Sheet Page 8 for more detail
A BT4.1 & BT4.2 & BT5 module maker based on Nordic nRF51 & nRF52 solution
(nRF51822 & nRF51422 & nRF52832 & nR52810 & nRF52840)
www.raytac.com Tel: +886.2.3234.0208