2016 Microchip Technology Inc. DS50002466A-page 55
4.2 UART TRANSPARENT CONNECTION USING SMARTDATA
To establish a UART Transparent connection using Bluetooth Smart Data (SmartData)
App, use the following steps:
1. On your Apple device, download and install the SmartData App by Microchip
Technology Inc. from iTunes AppStore
2. Open a serial port terminal to the RN4870 module
3. Type $$$ to enter Command mode
4. Enter + to enable echo
5. Enter SS,C0 to enable UART Transparent service
6. Enter R,1 to reboot the module for the configuration to take effect
7. Turn on Bluetooth and open SmartData App on the Apple device
8. Click the RN4870 module from the scan list in SmartData App to connect to the
module. Refer to Figure 4-4.
FIGURE 4-4: CONNECT TO RN4870
9. Once connected, go to the Serial Data tab in the SmartData App
10. Enter text in the Enter text to send… field in the Serial Data tab of the SmartData
App
11. Click Send button to transfer data from SmartData App to the RN4870 which is
received and printed on the serial terminal of the RN4870 UART