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ESP32-A1S Wi-Fi+BT Audio Development Kit

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Price:
$42.95 (inc GST) $39.05 (exc GST)
SKU:
ESP32A1SD
Current Stock:
2


Product Description

The core part of the ESP32 Audio Kit is ESP32- A1S module, which can work as a minimum independent system. Most audio interfaces are distributed on both sides of the development board for easy access, including a 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

Wiki & External links

 

 


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