Looking for Esp32 Development Board Esp32-a1s? Ai Thinker ESP32-A1S WiFi+BT Audio Development Board is available at Zbotic with fast shipping across India.
Ai Thinker ESP32-A1S WiFi+BT Audio Development Board
Esp32 Development Board Esp32-a1s – Description:
Features:
- The smallest 802.11b/g/n WiFi BT SoC Module
- Low power 32-bit CPU, can also serve the application processor
- Built-in AC101 Codec audio decoding chip, can support playing music and recording
- Built-in 520 KB SRAM, external 4MB SRAM
- Supports UART/SPI/I2C/PWM/ADC/DAC
- Support for firmware upgrade (FOTA)
- Antenna supports on-board antenna or IPEX block output
- Supports a variety of mainstream compression and lossless audio formats, including M4A, AAC, FLAC, OGG, OPUS, MP3, WAV, etc.
- Supports audio input methods such as MIC and Line-in.
Datasheet:
Package Includes:
1 x Ai-Thinker ESP32-A1S WiFi+BT Audio Development Board
Ai Thinker ESP32-A1S WiFi+BT Audio Development Board Overview
The Ai Thinker ESP32-A1S WiFi+BT Audio Development Board is a compact, high-performance module designed for audio-enabled IoT projects. Featuring a dual-core 32-bit CPU with integrated AC101 codec, it provides WiFi and Bluetooth connectivity alongside audio input/output for applications like smart speakers and voice-enabled devices.
Key Features of Ai Thinker ESP32-A1S WiFi+BT Audio Development Board
- Dual-core low-power 32-bit CPU for application processing and communication
- Built-in AC101 audio codec chip supporting MIC and line-in inputs
- Rich peripheral interfaces: UART, SPI, I2C, I2S, PWM, ADC, DAC
- 520 KB internal SRAM plus 4 MB external PSRAM for buffering and data storage
- Firmware Over-The-Air (FOTA) support for wireless updates
- Fast shipping across India when ordered from Zbotic
Applications and Use Cases
- Smart home audio devices such as WiFi/Bluetooth speakers
- Voice assistant and intercom systems leveraging onboard mic input
- IoT streamers for internet radio or podcast playback
- Educational story machines and interactive audio toys
- Audio recording modules for data logging and monitoring
How to Use Ai Thinker ESP32-A1S WiFi+BT Audio Development Board
Begin by supplying 5 V via USB or an external regulator, then connect the board to your PC using a USB-to-UART adapter. Install the ESP-IDF or Arduino IDE environment, select the ESP32-A1S target, and flash example audio projects. Attach a microphone or line-level input to the codec pins, configure I2S in your firmware, and leverage built-in WiFi/BT libraries to stream or record audio.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
Can I use this board for WiFi and Bluetooth audio streaming?
Yes, the onboard ESP32-A1S module supports WiFi connectivity and Bluetooth A2DP sink/source profiles, enabling streaming of audio data both over the network and via Bluetooth devices.
What audio input options are available?
The AC101 codec provides dedicated MIC and line-in interfaces. You can connect an electret microphone directly or feed external audio into the line-in pins for processing or playback.
How do I perform firmware upgrades over the air?
This board supports FOTA via the ESP-IDF OTA component. By integrating the OTA libraries and hosting firmware binaries on an HTTP(S) server, you can trigger wireless updates without physical access to the board.
Technical Specifications
| Model | ESP32-A1S |
|---|---|
| Interface / Protocol | WiFi |
| SKU | AI1705 |
| Weight | 0.01 kg |
| Availability | Out of Stock |
Applications & Use Cases
The Ai Thinker ESP32-A1S WiFi+BT Audio Development Board is a versatile ai thinker esp modules used across a wide range of applications including WiFi-enabled IoT devices, smart home sensors, web servers, mesh networks, and wireless data logging.
Common use cases:
- Connecting an Arduino project to WiFi
- Building a smart plug or switch
- Creating a wireless sensor network
This product is ideal for IoT developers, home automation enthusiasts, and embedded engineers.
Technical Tip: ESP32 supports both WiFi and Bluetooth. ESP8266 is WiFi-only but more affordable. Both are programmable via Arduino IDE or ESP-IDF.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components






Suresh Iyer (verified owner) –
This Ai Thinker ESP32-A1S WiFi+BT Audio Development is amazing for home automation. Connected all my smart devices easily.
Ankur Mishra (verified owner) –
Excellent Ai Thinker ESP32-A1S WiFi+BT Audio Development! WiFi connectivity is strong and stable. Perfect for IoT projects.
Pranav Patel (verified owner) –
Good Ai Thinker ESP32-A1S WiFi+BT Audio Development. WiFi works well. Sometimes needs a reset but overall solid.
Shivam Vyas (verified owner) –
Perfect for my IoT project. This Ai Thinker ESP32-A1S WiFi+BT Audio Development has excellent WiFi performance.
Kavya Batra (verified owner) –
This Ai Thinker ESP32-A1S WiFi+BT Audio Development is amazing for home automation. Connected all my smart devices easily.
Nakul Vyas (verified owner) –
This Ai Thinker ESP32-A1S WiFi+BT Audio Development is a beast for the price. Running a web server on it with no issues.
Kapil Trivedi (verified owner) –
Decent Ai Thinker ESP32-A1S WiFi+BT Audio Development. Had to install CP2102 drivers but works fine after that.
Ayush Vyas (verified owner) –
Great Ai Thinker ESP32-A1S WiFi+BT Audio Development. OTA updates work perfectly. Using 5 of these around my house.
Kritika Patil (verified owner) –
Good Ai Thinker ESP32-A1S WiFi+BT Audio Development. WiFi works well. Sometimes needs a reset but overall solid.
Swati Dhawan –
Love this Ai Thinker ESP32-A1S WiFi+BT Audio Development. Built a smart switch with it. Works with Home Assistant perfectly.
Kartik Banerjee (verified owner) –
Decent Ai Thinker ESP32-A1S WiFi+BT Audio Development. Had to install CP2102 drivers but works fine after that.
Aisha Shetty (verified owner) –
Perfect for my IoT project. This Ai Thinker ESP32-A1S WiFi+BT Audio Development has excellent WiFi performance.
Nikita Chauhan (verified owner) –
Decent Ai Thinker ESP32-A1S WiFi+BT Audio Development. Had to install CP2102 drivers but works fine after that.
Prashant Saini (verified owner) –
Excellent for smart home projects. This Ai Thinker ESP32-A1S WiFi+BT Audio Development connects reliably to my router.
Uday Reddy (verified owner) –
Good quality Ai Thinker ESP32-A1S WiFi+BT Audio Development. Flash memory is sufficient for most projects.
Jayesh Vyas (verified owner) –
Superb Ai Thinker ESP32-A1S WiFi+BT Audio Development! Using it for my weather monitoring station. WiFi range is impressive.
Prateek Bajaj (verified owner) –
Average Ai Thinker ESP32-A1S WiFi+BT Audio Development. WiFi drops occasionally but works for basic projects.
Vishal Pillai (verified owner) –
Decent Ai Thinker ESP32-A1S WiFi+BT Audio Development. Had to install CP2102 drivers but works fine after that.
Devansh Sen (verified owner) –
This Ai Thinker ESP32-A1S WiFi+BT Audio Development is amazing for home automation. Connected all my smart devices easily.
Jai Khanna (verified owner) –
Superb Ai Thinker ESP32-A1S WiFi+BT Audio Development! Using it for my weather monitoring station. WiFi range is impressive.
Neha Kohli (verified owner) –
Great quality Ai Thinker ESP32-A1S WiFi+BT Audio Development. Flashed with ESPHome and it works beautifully.
Zara Modi (verified owner) –
Average Ai Thinker ESP32-A1S WiFi+BT Audio Development. WiFi drops occasionally but works for basic projects.
Anand Yadav (verified owner) –
Good Ai Thinker ESP32-A1S WiFi+BT Audio Development. WiFi works well. Sometimes needs a reset but overall solid.
Aryan Verma –
Good Ai Thinker ESP32-A1S WiFi+BT Audio Development. WiFi works well. Sometimes needs a reset but overall solid.
Simran Rawat (verified owner) –
Average Ai Thinker ESP32-A1S WiFi+BT Audio Development. WiFi drops occasionally but works for basic projects.
Lakshmi Mukherjee (verified owner) –
Decent Ai Thinker ESP32-A1S WiFi+BT Audio Development. Had to install CP2102 drivers but works fine after that.
Chirag Garg (verified owner) –
Excellent Ai Thinker ESP32-A1S WiFi+BT Audio Development! WiFi connectivity is strong and stable. Perfect for IoT projects.
Anirudh Arora –
Good Ai Thinker ESP32-A1S WiFi+BT Audio Development. WiFi works well. Sometimes needs a reset but overall solid.
Sanjay Sharma (verified owner) –
Good quality Ai Thinker ESP32-A1S WiFi+BT Audio Development. Flash memory is sufficient for most projects.