Esp32 audio kit

Esp32 audio kit DEFAULT

ESP32-Audio-kit



ESP32-Audio-kit

This user guide describes how to start using the ESP32-Audio-kit development board.

What do you need

  • 1 ESP32-Audio-kit development board
  • 1 PC with Windows, Linux or Mac OS system

Overview


ESP32-Audio-kit is a small audio development board developed by Ai-Thinker based on the ESP32-A1S module. Most audio peripherals are distributed on both sides of the development board. It supports TF card, headphone output, two microphone inputs and two speaker outputs. . It is convenient for developers to develop quickly.


Function description

earphone port (earphone)

Insert the 3.5mm headphone jack to support left and right channel output.


left channel of speaker/right channel of speaker

Support the maximum output of 4Ω3W speaker output, while supporting dual-channel output.


SD card

Maximum support 64G SD card read and write


Key (KEY)

Support 6-channel key input, default access method below the factory

NAMEIO
KEY1 IO36
KEY2 IO13
KEY3 IO19
KEY4 IO23
KEY5 IO18
KEY6 IO5

You can modify the circuit button AD input.

Microphone

Two analog microphones, each as audio input


Headset Input (LINEIN)

Support headset microphone input


Lithium battery (battery)

Support 3.7V lithium battery input


Power input (POWER)

Maximum support 5V2A power input, support simultaneous lithium battery charging.


Serial port (UART)

Support micro usb serial port input and output, maximum support 921600 baud rate


Download button (BOOT)

Please pull down when downloading. Since IO0 provides the codec clock, please do not press it when the program is running normally, otherwise it will affect the codec work

(The factory contains default firmware, if you need to burn the default firmware, you can click the compressed package at the bottom of the page to download)


Reset button (EN)

Press this button to reset the system

Power supply mode

1.Micro USB port 5V/2A
2. Lithium battery powered

Data download

SDK download

ESP-ADF API documentation

Schematic download

Example

Please refer to the Ai-example example in ESP-ADF for specific usage tutorials

Sours: https://docs.ai-thinker.com/en/esp32-audio-kit

ESP32-A1S Wi-Fi+BT Audio Development Kit

The core part of the ESP32 Audio Kit is ESP32- A1S module, it can work as a minimum independent system. Most audio interfaces are distributed on both sides of the development board for easy access, include 3.5mm headphone jack, 3.5mm line-in jack, a pair of 2-pin headers for left/right speakers (up to 4Ω/3W output), and a couple of built-in microphones. The ESP32-Audio-Kit is outfitted with a dual-core Xtensa LX6 CPU (520Kb SRAM, 8Mb of PSRAM), micro SD slot (up to 64Gb of storage), and 802.11 b/g/n Wi-Fi + Bluetooth 4.2 LE.

The ESP32-Audio-Kit is compatible with Espressif’s ESP-ADF framework, which offers support for Google’s Assistant and Amazon’s Alexa. It is an ideal solution for IOT Audio applications, it’s suitable for smart home devices, smart audio,etc.

ESP32_A1S_Audio_kit_1

Features

  • Embedded LwIp and FreeRTOS.
  • Support Smart Config or Airkiss one-click network connection.
  • Support STA/ AP/ STA+AP working mode.
  • Charged by 5V/ 2A power supply and 3.7V lithium battery.
  • Support 64G SD card reading and writing.
  • Left and right channel speakers support output 4Ω 3W speaker output, and support dual channel output at the meantime.
  • Two analog microphones are used as audio input and headset microphone input respectively.
  • 3.5 mm headphone jack supports left and right channel output.

Specifications

  • CPU: Xtensa® 32-bit LX6 dual-core processor,Summary computing power up to 600 DMIPS
  • ROM: 520KB SRAM RTC 16 KB SRAM
  • IO Port: 10
  • SPI Flash: Default 32Mbit
  • RAM: 520KB SRAM+8M PSRAM
  • Support interface: URAT,SPI,I2C,PWM
  • UART Baudrate: Default 115200 bps
  • Audio Output: Support 1 channel headphone output and 1 channel left and right speaker output
  • Audio Input: Support LINEIN and 2-way MIC input
  • Spectrum range: 2412~2484MHz
  • WiFi 802.11: b/g/n/d/e/i/k/r (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4μs guard interval 2.4~2.5GHz
  • Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards, NZIF receiver with -98 dBm sensitivity, support AFH (Adaptive Frequency Hopping), support CVSD and SBC audio formats

Package list

  • ESP32-A1S Wi-Fi+BT Audio Development Kit x 1

Wiki & External links

Sours: https://www.elecrow.com/esp32-a1s-wi-fi-bt-audio-development-kit.html
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ESP32-A1S Wi-Fi+BT Audio Development Kit [EC-DTE01016K]

The core part of the ESP32 Audio Kit is ESP32- A1S module, it can work as a minimum independent system. Most audio interfaces are distributed on both sides of the development board for easy access, include 3.5mm headphone jack, 3.5mm line-in jack, a pair of 2-pin headers for left/right speakers (up to 4Ω/3W output), and a couple of built-in microphones. The ESP32-Audio-Kit is outfitted with a dual-core Xtensa LX6 CPU (520Kb SRAM, 8Mb of PSRAM), micro SD slot (up to 64Gb of storage), and 802.11 b/g/n Wi-Fi + Bluetooth 4.2 LE.

The ESP32-Audio-Kit is compatible with Espressif’s ESP-ADF framework, which offers support for Google’s Assistant and Amazon’s Alexa. It is an ideal solution for IOT Audio applications, it’s suitable for smart home devices, smart audio,etc.

Features

  • Embedded LwIp and FreeRTOS.
  • Support Smart Config or Airkiss one-click network connection.
  • Support STA/ AP/ STA+AP working mode.
  • Charged by 5V/ 2A power supply and 3.7V lithium battery.
  • Support 64G SD card reading and writing.
  • Left and right channel speakers support output 4Ω 3W speaker output, and support dual channel output at the meantime.
  • Two analog microphones are used as audio input and headset microphone input respectively.
  • 3.5 mm headphone jack supports left and right channel output.

Specifications

  • CPU: Xtensa® 32-bit LX6 dual-core processor,Summary computing power up to 600 DMIPS
  • ROM: 520KB SRAM RTC 16 KB SRAM
  • IO Port: 10
  • SPI Flash: Default 32Mbit
  • RAM: 520KB SRAM+8M PSRAM
  • Support interface: URAT,SPI,I2C,PWM
  • UART Baudrate: Default 115200 bps
  • Audio Output: Support 1 channel headphone output and 1 channel left and right speaker output
  • Audio Input: Support LINEIN and 2-way MIC input
  • Spectrum range: 2412~2484MHz
  • WiFi 802.11: b/g/n/d/e/i/k/r (802.11n, speed up to 150Mbps) A-MPDU and A-MSDU aggregation, support 0.4μs guard interval 2.4~2.5GHz
  • Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards, NZIF receiver with -98 dBm sensitivity, support AFH (Adaptive Frequency Hopping), support CVSD and SBC audio formats

Package list

  • ESP32-A1S Wi-Fi+BT Audio Development Kit x 1

Wiki & External links

ESP -ADF

User Guide

Sours: https://littlebirdelectronics.com.au/products/esp32-a1s-wi-fi-bt-audio-development-kit
ESP32 Audio Kit V2.2 analog button key mod (getting IOs for SPI, I2C, synthesizer arduino projects)

Seeed Drops New ESP32-Audio Development Kit for Audio-Related IoT Projects

With all the attention going toward ESP32 boards with camera integration as of late, it’s nice to see the SoC getting some love for audio applications with the ESP32-Audio-Kit. Earlier this year, Espressif unveiled their ESP32 LyraTD MSC HDK designed for smart speakers and appliances. Shortly afterward, the company dropped a similar board — the ESP32-LyraT for voice recognition projects, and now we have access to a third option for IoT audio projects with the latest release.

The development board is based on an ESP32 dual-core Tensilica processor with 520Kb of SRAM, and 8Mb of on-module external PSRAM. (📷: Seeed)

The ESP32-Audio-Kit is based on Ai-Thinker’s ESP32-A1S with most of the interfaces located at the edge of the development board for easy access. As far as hardware goes, the ESP32-Audio-Kit is outfitted with a dual-core Xtensa LX6 CPU (520Kb SRAM, 8Mb of PSRAM), micro SD slot (up to 64Gb of storage), and 802.11 b/g/n Wi-Fi + Bluetooth 4.2 LE. Audio ports are many and include 3.5mm headphone jack, 3.5mm line-in jack, a pair of 2-pin headers for left/right speakers (up to 4Ω/3W output), and a couple of built-in microphones.

The ESP32-Audio-Kit features a 3.5mm headphone jack, 3.5mm Line-In jack, a pair of 2-pin headers for left/right speakers, and a pair of microphones. (📷: Seeed)

Expansion options include headers for I2C, UART, SPI, PWM, and an unpopulated header for JTAG with micro USB port for UART access. It also features six user buttons, as well as 5V/2A via micro USB, and support for 3.7V Li-ion battery via 2-pin header for power options.

The ESP32-Audio-Kit is compatible with Espressif’s ESP-ADF framework, which offers support for Google’s Assistant and Amazon’s Alexa, and costs just $16.90 (currently on backorder). Seeed also supplies plenty of documentation on their product page, where you’ll find schematics, demos, and user guides.

Sours: https://www.hackster.io/news/seeed-drops-new-esp32-audio-development-kit-for-audio-related-iot-projects-ad38d1f02637

Audio kit esp32

His name is Viktor Ivanovich, he seems to be an electronics engineer from Tyumen (all. Names have been changed). He was short, with a light head, smiling sweetly and constantly apologizing, with an average physique without a beer belly. We drank a thimble of cognac under the broken chocolate, - he was afraid for his heart.

In the conversation it turned out that I was going from a business trip, but he, on the contrary, was on a business trip.

Google Dialogflow on ESP32-LyraT

My gaze wandered around the hall, and a smile played on my lips. Having replayed my simple plan in my head, I turned to the sovereign: - Arrange an auction. In favor of there, some good purpose, to raise their image and the prestige of the city. - ??. The dumb question in the eyes of both men amused me a little.

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Look and be jealous. Vit, take off your clothes and sit down - somehow it was not entirely comfortable to undress in front of the hostess. In her house, and she stood and watched with interest.



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