nRF52832
www.szrfstar.com V1.3 - Sep., 2020
Shenzhen RF-star Technology Co., Ltd. Page 39 of 58
7 Transparent Transmission Test
7.1 Test by APP (Android)
1. Turn on cellphone Bluetooth, and install APP “nRF Connect” (this APP can be found in the APP store): The usage
method of iOS version APP is similar to Android.
2. Connect the module to the COM port of the computer through the USB to serial port tool, and check the computer
port number used (step: right-click the computer → management → device manager → port).
Open the UartAssist tool, set the correct port number and baud rate, the initial baud rate of the module is 115200
(the default baud rate of the module is 115200, the data bit is 8, the parity bit is none, and the stop bit is 1).
Open the nRFConnect to search (mobile phone Bluetooth needs to be turned on), a list of nearby BLE devices that
are broadcasting will appear. Click on one of the BLE devices to start the connection process (The default factory
name of ND04C(I)/ND08C(I) is: RF-STAR-SMMT). After the connection is successful, the Service UUID of the
module appears on the mobile phone APP side, and S:CONNECTED appears on the computer serial port debugging
tool side. Find the data transmission and command operation Service in the APP, turn on the notify enable for
receiving and AT command operation, and then the bi-directional data transparent transmission and AT command
between the mobile phone and the PC (analog MCU) will be started. As shown in the following pictures:
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