Espressif Systems ESP32-LyraTD-MSC User Manual Download Page 12

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2. Configuring for DuerOS

•

Connect ESP32-LyraTD-MSC to the network, using the IoT Espressif app
downloaded to your phone.

Figure 2-7.Interface of IoT Espressif for Android APK

3. After connecting ESP32-LyraTD-MSC to the network, the blue LED light will be on

steadily, and an audio message in Chinese “wang luo lian jie cheng gong” (meaning
“successful network connection”) will be played.

4. Reboot the board after the networking is successfully established. The board will

automatically connect to the network configured during the last connection.

Espressif

/15

2018.07

Summary of Contents for ESP32-LyraTD-MSC

Page 2: ...ease Notes 2018 03 V1 0 First Release 2018 04 V2 0 Added a major support for the Alexa Voice Service AVS framework Rebuilt this user guide 2018 04 V2 1 Added Appendix A with schematics 2018 04 V2 2 Re...

Page 3: ...Firmware 5 2 2 1 Driver Installation 5 2 2 2 Flashing ESP32 5 2 3 Network Configuration 8 2 3 1 Wi Fi Networking 8 2 4 Interactive Function 10 2 4 1 Voice Recognition 10 2 4 2 Buttons 10 3 Configuring...

Page 4: ...processor DSP that features a three microphone array for noise reduction echo cancelation etc ESP32 LyraTD MSC is integrated with peripheral devices and consists of two development boards The upper bo...

Page 5: ...e variety of applications ranging from low power sensor networks to the most demanding tasks such as voice encoding music streaming and MP3 decoding 6 MicroSemi DSP This audio co processor is used for...

Page 6: ...board and supports debugging functions 14 CP2102N USB UART Chip An upgraded version of the CP2102 chip supports USB to UART conversion 15 Programming port This programming and debugging interface of...

Page 7: ...tionality and configure networking for ESP32 LyraTD MSC please download from Espressif Apps either of the following two IOT Espressif for Android APK or ESP TOUCH for iOS IPA 3 Debugging Tool Use a de...

Page 8: ...1 Driver Installation Connect the board to a PC with a Micro USB cable and install the USB to UART driver Figure 2 1 Installing the USB to UART Driver 2 2 2 Flashing ESP32 2 2 2 1 ESP32 Download Tool...

Page 9: ...ool The following interface will be shown Figure 2 3 ESP32 Download Tool 2 Configuration for Flashing Firmware Addresses for Downloading Firmware Binary Files Address Function Bootloader bin 0x1000 ba...

Page 10: ...e with the one used by the PC select 1152000 as a baud rate 3 Power on and Programming Figure 2 4 Powering on the Board Power on ESP32 LyraTD MSC Click the Start button on the ESP32 Flash Download Too...

Page 11: ...will flash indicating that ESP32 is searching for a wireless network Figure 2 6 The LED Light on ESP32 LyraTD MSC 2 To configure the network for the first time or to change the SSID of the network pr...

Page 12: ...r connecting ESP32 LyraTD MSC to the network the blue LED light will be on steadily and an audio message in Chinese wang luo lian jie cheng gong meaning successful network connection will be played 4...

Page 13: ...s Here is an operation sample Say Alexa to the board and it will respond in Chinese by saying nin hao you shen me fen fu meaning Hi How can I help Then ask the following question in Chinese tian qi ze...

Page 14: ...rd When it is woken up and listening the LED light will glow in solid blue When it is in a thinking mode the LED light will rotate We presently support Tune In Radio as a music service Other music ser...

Page 15: ...uency of master SPI clk 8 MHz NC Test Points Reserved Notes 1 HCLK This input should be tied to VSS in I2C mode 2 HCS HBI I2C Serial Clock Input This pin functions as the I2C_SCLK input in I2C mode 3...

Page 16: ..._CTRL I34_MicroSD_DET EN I39_Button_Array ZL38063_LDO_EN IO2 IO0_Boot IO4 TXD0 RXD0 IO12 IO13 IO14 IO15 IO23_SCL IO18_SDA ZL38063_DAC1_P IO0_ZL38063_SPI_HCS IO33_ZL38063_SPI_HDIN IO32_ZL38063_SPI_HCLK...

Page 17: ...2 1 U20 MSM261D4030H1AP NC CLK 3 DATA 4 VDD 1 GND 5 SELECT 2 GND 6 GND 7 GND 8 C82 0 1uF 16V 10 C86 0 1uF 16V 10 C87 0 1uF 16V 10 SW2 SW_R 1 1 2 2 3 3 4 4 S3 SW_R 1 1 2 2 3 3 4 4 R206 10K 5 TP21 1 C92...

Page 18: ...lity for infringement of any proprietary rights relating to use of information in this document is disclaimed No licenses express or implied by estoppel or otherwise to any intellectual property right...