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Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth

Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
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Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
Ai-Thinker ESP32-Audio-Kit - with Wi-Fi and Bluetooth
  • Availabilty: Directly available
  • Model: ESP32A1S-AUDIODEVBOARD
  • SKU: 003625
€15.00
Ex Tax: €12.40

An audio development board based on an ESP32-A1S from Ai-Thinker. The ESP32-A1S is an ESP32 based module containing an audio CODEC with built-in DACs and ADCs, making this development board very well suited for audio projects. Ideal for adding Wi-Fi and/or Bluetooth to your audio project. The USB to serial converter makes it easy to program, even as an Arduino. The board has a micro USB connection with which it can be programmed and/or powered (micro USB cable not included).

Specifications:

  • Supply voltage: 3.3V DC (via 3V3 pin), 5V DC (via micro USB) or 2.5 - 4.2V DC (via JST-XH 2p Li-ion/Li-Po battery connection)
  • GPIO Voltage: 3.3V
  • Microcontroller:
    • Chip: ESP32-S0WD (ESP32-A1S)
    • Clock Frequency: 240MHz
    • Processor cores: 2
    • SRAM: 520KB
    • PSRAM: 4MB
    • Flash memory: 4MB
    • Built-in Wi-Fi
    • Built-in Bluetooth
    • Number of GPIO pins: 9
    • Number of PWM pins: 9
    • Number of analog input pins (ADC): 1
    • Number of analog output pins (DAC): 0
  • USB to serial converter: CP2102 (drivers)
  • Battery circuit:
    • Chip: TP4056
    • Suitable batteries: Li-ion/Li-Po
    • Maximum charging voltage: 4.2V
    • Maximum charging current: 1A
    • Protection circuit: No
    • Battery connector: JST-XH 2p male
  • Audio CODEC:
    • Chip: ES8388
    • ADC channels: 2 (for microphones or line-in)
    • DAC channels 2 (for amps or line-out)
  • Amplifier:
    • Chip: NS4150 (2x)
    • Number of channels: 2 (stereo)
    • Maximum nominal output power per channel: 3W (4Ω speakers)
    • Speaker impedance range: 4 - 8Ω
  • Audio connections:
    • Headphone/line-out: Audio jack 3.5mm
    • Line-in: Audio jack 3.5mm
    • Speakers: JST-XH 2p male
  • 2 Built-in analog microphones
  • 6 Built-in programmable buttons
  • Built-in SD card holder
  • Dimensions PCB: 68 x 82mm (without antenna), 74 x 82mm (with antenna)

Package contents:

  • 1x ESP32-A1S Audio Development Board

See the tab "Downloads" for a datasheet of the ESP32-A1S including the schematic diagram of this board (section 5.2).

See the following page for sample code: ESP32-A1S-AudioKit .
The board definitions can be found here: Ai_thinker_audio_kit_v2_2

Note: The sample code is written for the ESP-IDF and is relatively complicated. It is recommended that you only start with this if you already have some programming experience.

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ESP32-A1S-datasheet.pdf 1.21MB Download
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