[Step by Step]How to use the HT32 Series Expansion Board ESK32-A9A21?

📌 HT32 Series Expansion Board ESK32-A9A21

💻More Information: https://www.bestmodulescorp.com/esk32-a9a21.html

00:00 00:09 Opening
00:10 00:14 HT32 Series Expansion Board ESK32-A9A21
00:15 00:21 Board Introduction
00:22 00:26 Preparation
00:27 00:43 Hardware
00:44 00:58 Software
00:59 01:02 Demo
01:03 01:23 STEP 1→Align the socket on the back of ESK32-A9A21 with the pin header of HT32 series development board and insert it.
01:24 01:40 STEP 2→It is important that PWM output on the expansion board needs to correspond with development board.
01:41 01:49 STEP 3→Connect speaker to speaker output of the expansion board.
01:50 02:28 STEP4→Use the KeilTM MDK-ARM μVision5 to format the only monophonic WAV file.
02:30 03:31 STEP 5→Start the HT32 Voice Tool
03:32 03:40 Press the RESET button to reset program
03:41 03:44 Success
03:45 01:52 www.BestModulesCorp.com

✒Description
The ESK32-A9A21 is an expansion board designed for ESK32-305xx and ESK32-301xx series development boards. It includes speaker outputs and demonstration buttons.

The ESK32-A9A21 needs to use alongside development board and software (HT32 Voice Tool). Users can demonstrate sound effect via expansion board after programing the WAV music file into development board. It provides a better sound processing function for users.

✒Features
◆Software
This includes the HT32 Voice Tool and the KeilTM MDK-ARM μVision5.
․HT32 Voice Tool
→ MCU selection, external SPI Flash Memory capacity selection, loading and setting voice WAV, sentence configuration settings.
→ MCU program compiling, SPI Flash data compiling and MCU/SPI Flash data downloading function

◆Hardware
The development board is used together with the HT32 Voice Tool for development.

◆Resource Occupancy
․The voice library is suitable to HT32 MCU. Two points should be noted when selecting an MCU:
→ Basic frequency: note that if the decoding speed of a frame of voice is less than play speed, a play error will occur. The length of a frame = 320/Sample Rate(s)
→ Flash: Pay attention to the voice resource capacity and ensure that there is no overflow of internal Flash or selecting external Flash.

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