Ai Thinker ESP32-S WiFi+BT SoC Module

(2 customer reviews)

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SKU: 648885
  1. Manufacturer: Ai-Thinker
  2. 802.11b/g/n Wi-Fi+BT SOC
  3. Dual-core 32-bit CPU, 240 MHz frequency
  4. Built-in two 12 bit SAR ADCs, up to 18 channels
  6. SMD38 package
  7. Supports OpenOCD debug interface
  8. UART baud rate up to 4Mbps

Note: This product is about to be discontinued. You can check out for its alternative: SKU 1382879 Ai-Thinker Ai-WB2-32S Module


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Brand: Ai-Thinker
Category: Ai Thinker ESP Modules
Tags: ESP32 Series

The ESP32-S is an Original ESP32 series module from Ai-Thinker. This wireless module based on ESP32, supports WiFi and Bluetooth 4.2, with built-in 32Mbit Flash, in the SMD38 package. There’re also an onboard PCB antenna and metal shield. In short, it’s a small form factor and a fairly high cost-effective wireless module.

With the pre-flashed AT firmware, you can control the module through UART AT commands easily. The module integrates MCU inside, supports other developments like Lua/Micropython/Arduino to achieve flexible and fast prototyping, makes it easy to integrate the module into IoT applications.

Ai-Thinker’s ESP32-S WiFi+BT SoC Module has a highly competitive package size and ultra-low power technology. Esp32-S can be widely used in various networking, for home automation, industrial wireless control, baby monitors, wearable electronics products, wireless position sensing devices, wireless positioning system signals, and other networking applications. Esp32-S is packaged in SMD, through the standard SMT equipment to achieve rapid production of products, to provide customers with high reliability of the connection, especially for Automation, large-scale, low-cost modern production methods, It’s suitable for all kinds of Internet of things hardware terminal occasions.


The ESP32-S suit for many IoT applications such as:

  1. Smart home
  2. Intelligent building
  3. Industrial automation
  4. Wearable devices
  5. IP camera
  6. Intelligent agriculture

Note: This product is about to be discontinued. You can check out for its alternative: SKU 1382879 Ai-Thinker Ai-WB2-32S Module


  1. The smallest 802.11b/g/n WiFi BT SoC Module
  2. Low power 32-bit CPU, can also serve the application processor
  3. Up to 160MHz clock speed,Summary computing power up to 600 DMIPS
  4. Overview built-in 520KB SRAM
  5. Supports UART/SPI/I2C/PWM/ADC/DAC
  6. SMD-38 package for easy welding
  7. Support for OpenOCD debugging interface
  8. Deep sleep current as low as 6.5μA
  9. Embedded Lwip and FreeRTOS
  10. Supports STA/AP/STA+AP operation mode
  11. Support Smart Config/AirKiss technology
  12. General AT commands can be used quickly
  13. Support for serial port local and remote firmware upgrades (FOTA)

Package Includes:

1 x Ai-Thinker ESP32-S WiFi+BT SoC Module

SKU: 648885 Category: Tag:
Module Model




Custom IO Port


SPI Flash

Default 32Mbit


802.11 b/g/n/e/i

Bluetooth Version


Antenna Type


Input Supply Range (VDC)

3.0 ~ 3.6

Transmit Power (dBm)

802.11b: 17±2 dBm (@11Mbps)

Receiving Sensitivity

54 Mbps (3/4 64-QAM): -70dBm, 6 Mbps (1/2 BPSK): -88dBm, CCK, 1 Mbps : -90dBm, CCK, 11 Mbps: -85dBm, MCS7 (65 Mbps, 72.2 Mbps): -67dBm

UART Baudrate

Default 115200 bps

Operating Temperature (°C)

-10 to 50



Length (mm):


Width (mm):


Height (mm):


Weight (g):


Shipping Weight 0.01 kg
Shipping Dimensions 4 × 4 × 1 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 2 reviews

5.0 overall

Add a review

  1. procestechnologies (verified owner)

    High quality board. Works flawlessly.


  2. procestechnologies (verified owner)

    Got genuine board. Very good quality.


ESP32 series Datasheet

AT Commands

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Country Of Origin: China