8258 BLE RCU Quick Start
Features
The RC demo supports the following features:
- Works with dual batteries
- 25 valid buttons and 1 indicating LED
- Telink proprietary voice service
- Voice compressed with ADPCM, supported sample rate 16khz/16bit
- OTA firmware upgrade
- PC tool for button display and demonstration
- Low power consumption
For detailed descriptions, please refer to the product specification document “Specification For TLSR8258-based BLE Audio Remote Control Demo”.
Quick Setup Guide
This quick start guide uses the Telink 8258 RCU demo as an step-by-step example to show how to get the RCU sample up and running quickly. For other flavors of RCU, the steps may differ slightly, please refer to the corresponding user guide.
The guidance on BLE
Step 1: The appearance of the 8258RCU and dongle are as follows:
Step 2: Download the remote.bin file to the RCU (Burning and Debugging Tool)
This is the RCU bin link: 8258bleremote_IR.bin
This is the dongle bin link: 8258masterkma_dongle.bin
This is the SDK link: 8258blesdk
Step 3: Connection and pair method
Power on the RCU, and RCU will be advertise state for 60 seconds.
Plug dongle into PC, then press the SW1 and that will trigger dongle to receive advertise packets. When dongle red led is on, it indicate RCU connect to dongle.
Step 4: BLE button and voice test method
We can just open .txt file on PC side, and when you press the number key, the number will be display in the txt file.That is button’s operation.
When need to use the voice function, you can open the PC software audacity. click the record icon to start recording. Then press and hold the MIC key 
over 1 second,and you will see that the audacity starts to record voice data.
The guidance on IR
Step 1: The guidance on IR
Press the switch key 
to switch IR mode. and the demo IR protocal is NEC.
Step 2: IR test method
Plug the IR code analyzer to PC and open the revelant PC software about IR code analyzer.
Press the button and the software will display the IR data.