DESCRIPTION
RETIRED PRODUCT – We’ve stopped stocking this product or it has been retired by the manufacturer and is no longer for sale. This page remains available for its resources and as a source of potential interest.
The ESP32-A1S is an ultra-small, powerful audio module. With a built-in advanced low-power dual-core 32-bit CPU and Codec AC101 audio decoding chip, it can be widely used in various IoT applications. It’s suitable for home smart devices, smart Audio, story machine solutions, etc., the ideal solution for IoT applications.
The ESP32-A1S internal circuit is highly integrated, supports a variety of peripherals, can support secondary development. ESP32-A1S adopts an SMD package to realise the rapid production of products and provide customers with high-reliability connection mode. It is especially suitable for modern, large-scale, low-cost production methods, and is convenient for various IoT hardware terminal applications.
FEATURES
- The smallest 802.11b/g/n Wi-Fi 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 4MPSRAM
- 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.
Technical Details:
- SPI Flash: Default 32 Mbit
- RAM: 520 KB SRAM +4M PSRAM
- Wi-Fi: 802.11 b/g/n
- Bluetooth: 4.2 BR/EDR and BLE Standards, support for A2DP, AVRC protocol
- Audio Output: Supports 1 channel headphone output and 1 channel left and right speaker output
- Audio Input: Supports LINEIN and 2-way MIC input
- Custom I/O Ports: 14
- UART Baudrate: Default 115200 bps
- Audio Format: MP3, WAV, M4A, AAC, FLAC, OGG, OPUS
- Antenna: Onboard PCB antenna or IPEX antenna
- Power Supply Range: 3.3V +- 0.3V
RESOURCES
- ESP32-A1S Spec
- ESP32-A1S Demo
- ESP32-A1S-Espressif Audio Development Framework
- Espressif ESP-ADF (Espressif Audio Development Framework) User Guide
- ESP-32S Factory Firmware
- ESP-32S AT Firmware
- ESP Flash Download Tools
- Ai-thinker Serial Tool
- Ai-thinker Serial Driver for Windos
- Ai-thinker USB-T1 Serial Driver（Windows/Mac_OS/Linux）
- ESP32-S_hardware_resources
- ESP32 Original SDK
- Arduino Core for ESP32 WiFi Chip
- ESP32 Pin List
- ESP32 Technical Reference Manual
- ESP32 AT Instruction Set and Examples
- Espressif ESP32 Get Started
- Espressif ESP-IDF (IoT Development Framework) Versions
- Espressif ESP-IDF Programming Guide
- Espressif ESP32 API Guides
- Espressif ESP32 API Reference
- Espressif ESP32 Hardware Reference
- Espressif ESP32 Resources
- Espressif Downloads Webpage
- Espressif Documents Webpage
- esp32.com forum
Prompt shipping and expert packing
Because of our long-standing partnership in a long-standing partnership with UPS, FedEx, DHL and many other top global carriers we are able to offer a variety of shipping options. Our warehouse staff will package all goods to our exacting requirements. Your items are carefully inspected and securely secured prior to shipment. We ship to thousands clients each day across multiple countries. This is a sign of our determination to becoming the largest online retailer on the planet. The distribution centers and warehouses distribution are located in Europe and the USA.
Note: Orders that contain more than one item will be assigned a distinct processing time depending on the specific product.
Prior to shipment Our team will conduct an exhaustive inspection of the products you have ordered. The majority of orders are shipped within 48 hours. The delivery time should be between 3-7 days.
Returns
The inventory is always changing and we do not fully manage it because of the fact that many parties are involved, including our warehouse and factory. Stocks can be changed at any moment. You may not receive your purchase after the order has been made.
The policy is for 30 days. We are unable to exchange or refund your order when it's been 30 days from the date of purchase.
To be eligible for a refund your product must be unopened and in the same state as you received it. The item must be in the original packaging.
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