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Ai Thinker ESP32-A1S WiFi+BT Audio Development Board
Build powerful audio applications with the Ai Thinker ESP32-A1S - a feature-rich development board combining ESP32 dual-core processing, Wi-Fi, Bluetooth, and an integrated audio codec in a compact module. Ideal for smart speakers, voice assistants, internet radios, and IoT audio projects. Available now from The Engineer Store, Bengaluru, with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.
Specifications
| Module | Ai Thinker ESP32-A1S |
| Processor | ESP32 Dual-Core Xtensa LX6, up to 240 MHz |
| Audio Codec | Integrated AC101 / ES8388 audio codec (version dependent) |
| Wi-Fi | 802.11 b/g/n, 2.4 GHz |
| Bluetooth | Bluetooth v4.2 Classic + BLE |
| Flash Memory | 4 MB SPI Flash |
| PSRAM | 4 MB / 8 MB PSRAM (version dependent) |
| Audio Interfaces | I2S, built-in DAC/ADC, microphone input, headphone/speaker output |
| GPIO | Multiple GPIO pins broken out for peripherals, buttons, LEDs, SD card |
| SD Card Support | MicroSD card slot for audio file storage and playback |
| Operating Voltage | 3.3V (module), 5V input via USB or VIN |
| Antenna | Onboard PCB antenna with optional IPEX/U.FL connector |
| Framework Support | ESP-IDF, Arduino IDE, ESP-ADF (Espressif Audio Development Framework) |
| Module Dimensions | Approx. 16 x 24 mm (module); development board dimensions vary |
| Type | Audio Development Board / IoT Module |
| Origin | Original Ai Thinker - 100% Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp Technical Support 24/7 |
Key Features
- All-in-One Audio SoC: Integrated audio codec eliminates the need for external DAC/ADC ICs, simplifying circuit design for audio applications.
- ESP32 Dual-Core Power: 240 MHz dual-core processor handles simultaneous audio processing, Wi-Fi streaming, and Bluetooth connectivity without lag.
- Wi-Fi + Bluetooth Connectivity: Stream audio over Wi-Fi (internet radio, Spotify Connect, AirPlay) or Bluetooth (A2DP sink/source, HFP for hands-free calling).
- PSRAM for Audio Buffering: Onboard PSRAM provides ample memory for audio buffering, MP3/AAC/FLAC decoding, and complex DSP tasks.
- MicroSD Card Slot: Play audio files directly from a microSD card - supports WAV, MP3, FLAC, and other common formats via ESP-ADF.
- Microphone Input: Built-in microphone interface for voice recording, voice recognition, and voice assistant integration.
- Headphone & Speaker Output: Drive headphones directly or connect to external speakers through the onboard amplifier output.
- ESP-ADF Compatible: Fully supported by Espressif's official Audio Development Framework with ready-to-use examples for music players, voice assistants, and more.
- Compact Form Factor: Small module footprint makes it easy to embed into custom enclosures and finished products.
- Versatile GPIO Access: Exposed GPIO pins for connecting buttons, rotary encoders, OLED displays, LED indicators, and additional sensors.
Why Choose the ESP32-A1S?
- 100% Authentic Ai Thinker: Sourced directly from authorized channels - guaranteed genuine components with full traceability.
- Rapid Shipping: 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse. Same-day dispatch available for Bengaluru orders.
- Expert Audio & IoT Support: Our engineers can help you with ESP-ADF setup, codec configuration, Bluetooth audio pairing, and custom firmware development.
- Cost-Effective Audio Solution: Replaces separate Wi-Fi module + microcontroller + audio codec setups with a single integrated board.
- Extensive Community & Documentation: Large ESP32 community, comprehensive Ai Thinker datasheets, and Espressif's official documentation ensure you're never stuck.
Project Ideas
- DIY Smart Speaker: Build your own Alexa-compatible or custom voice-controlled smart speaker with Wi-Fi streaming and Bluetooth input.
- Internet Radio Player: Stream thousands of online
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy Ai Thinker ESP32-A1S WiFi+BT Audio Development Board Online in India
Purchase the Ai Thinker ESP32-A1S WiFi+BT Audio Development Board online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Ai Thinker ESP32-A1S WiFi+BT Audio Development Board with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy Ai Thinker ESP32-A1S WiFi+BT Audio Development Board at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
Ai Thinker ESP32-A1S WiFi+BT Audio Development Board
Build powerful audio applications with the Ai Thinker ESP32-A1S - a feature-rich development board combining ESP32 dual-core processing, Wi-Fi, Bluetooth, and an integrated audio codec in a compact module. Ideal for smart speakers, voice assistants, internet radios, and IoT audio projects. Available now from The Engineer Store, Bengaluru, with fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.
Specifications
| Module | Ai Thinker ESP32-A1S |
| Processor | ESP32 Dual-Core Xtensa LX6, up to 240 MHz |
| Audio Codec | Integrated AC101 / ES8388 audio codec (version dependent) |
| Wi-Fi | 802.11 b/g/n, 2.4 GHz |
| Bluetooth | Bluetooth v4.2 Classic + BLE |
| Flash Memory | 4 MB SPI Flash |
| PSRAM | 4 MB / 8 MB PSRAM (version dependent) |
| Audio Interfaces | I2S, built-in DAC/ADC, microphone input, headphone/speaker output |
| GPIO | Multiple GPIO pins broken out for peripherals, buttons, LEDs, SD card |
| SD Card Support | MicroSD card slot for audio file storage and playback |
| Operating Voltage | 3.3V (module), 5V input via USB or VIN |
| Antenna | Onboard PCB antenna with optional IPEX/U.FL connector |
| Framework Support | ESP-IDF, Arduino IDE, ESP-ADF (Espressif Audio Development Framework) |
| Module Dimensions | Approx. 16 x 24 mm (module); development board dimensions vary |
| Type | Audio Development Board / IoT Module |
| Origin | Original Ai Thinker - 100% Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp Technical Support 24/7 |
Key Features
- All-in-One Audio SoC: Integrated audio codec eliminates the need for external DAC/ADC ICs, simplifying circuit design for audio applications.
- ESP32 Dual-Core Power: 240 MHz dual-core processor handles simultaneous audio processing, Wi-Fi streaming, and Bluetooth connectivity without lag.
- Wi-Fi + Bluetooth Connectivity: Stream audio over Wi-Fi (internet radio, Spotify Connect, AirPlay) or Bluetooth (A2DP sink/source, HFP for hands-free calling).
- PSRAM for Audio Buffering: Onboard PSRAM provides ample memory for audio buffering, MP3/AAC/FLAC decoding, and complex DSP tasks.
- MicroSD Card Slot: Play audio files directly from a microSD card - supports WAV, MP3, FLAC, and other common formats via ESP-ADF.
- Microphone Input: Built-in microphone interface for voice recording, voice recognition, and voice assistant integration.
- Headphone & Speaker Output: Drive headphones directly or connect to external speakers through the onboard amplifier output.
- ESP-ADF Compatible: Fully supported by Espressif's official Audio Development Framework with ready-to-use examples for music players, voice assistants, and more.
- Compact Form Factor: Small module footprint makes it easy to embed into custom enclosures and finished products.
- Versatile GPIO Access: Exposed GPIO pins for connecting buttons, rotary encoders, OLED displays, LED indicators, and additional sensors.
Why Choose the ESP32-A1S?
- 100% Authentic Ai Thinker: Sourced directly from authorized channels - guaranteed genuine components with full traceability.
- Rapid Shipping: 1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse. Same-day dispatch available for Bengaluru orders.
- Expert Audio & IoT Support: Our engineers can help you with ESP-ADF setup, codec configuration, Bluetooth audio pairing, and custom firmware development.
- Cost-Effective Audio Solution: Replaces separate Wi-Fi module + microcontroller + audio codec setups with a single integrated board.
- Extensive Community & Documentation: Large ESP32 community, comprehensive Ai Thinker datasheets, and Espressif's official documentation ensure you're never stuck.
Project Ideas
- DIY Smart Speaker: Build your own Alexa-compatible or custom voice-controlled smart speaker with Wi-Fi streaming and Bluetooth input.
- Internet Radio Player: Stream thousands of online
Frequently Asked Questions
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy Ai Thinker ESP32-A1S WiFi+BT Audio Development Board Online in India
Purchase the Ai Thinker ESP32-A1S WiFi+BT Audio Development Board online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on Ai Thinker ESP32-A1S WiFi+BT Audio Development Board with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy Ai Thinker ESP32-A1S WiFi+BT Audio Development Board at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.