Ai-Thinker Ai-WB2-12S Module

Description:

Ai WB2 12S is a Wifi Bt module developed by Shenzhen Ai Thinker Technology Co., LTD. The module is equipped with BL602 chip as the core processor and supports Wi Fi 802.11b/ g/n protocol and BLE 5.0 protocol. The BL602 chip has a low power 32 bit RISC CPU, 276KB RAM, and a wealth of peripheral interfaces, including SDIO, SPI, UART, I2C, IR Remote, PWM, ADC, DAC, PIR and GPIO etc. It can be widely used in Internet of Things (IoT), mobile devices, wearable electronic devices, smart home and other fields.

Features:

1. The package is SMD 16
2. Support IEEE 802.11 b/g/n protocol
3. Wi-Fi Security Support WPS/WEP/WPA/WPA2 Personal/WPA2 Enterprise/WPA3
4. Support 20MHz bandwidth and Max rate is 72.2 Mbps
5. Bluetooth BLE 5.0, Bluetooth Mesh
6. Support Station + BLE mode Station + SoftAP + BLE mode
7. Support 32-bit RISC CPU276KB RAM
8. Secure start-up supports mirroring with ECC 256 signature
9. Support QSPI/SPI Flash On The Fly AES Decryption, support AES 128 CTR mode
10. Support AES 128/192/256-bit encryption engine
11. Support SHA 1/224/256
12. Support true Random number generator (TRNG)
13. Public key Accelerator (PKA), supports a large number of basic operations, the software provides a signature, verification, and other application program interface
14. Support SDIOSPIUARTI2CIR remotePWMADCDACPIRGPIO etc
15. Integrated Wi-Fi MAC/BB/RF/PA/LNA/BT
16. Support a variety of sleep modes, deep sleep current 12μA
17. Universal AT instruction for a quick start
18. Support secondary development, integrated Windows, and Linux development environment

Specifications:

1. Model: Ai WB2 12S
2. Package: SMD 16
3. Size: 24.0*16.0*3.1(±0.2)mm
4. Antenna on board: PCB antenna
5. Frequency: 2400 ~ 2483.5MHz
6. Operating temperature: 40℃ ~ 85℃
7. Storage temperature 40℃ ~ 125℃, < 90%RH
8. Power supply Support voltage: 2.7V ~ 3.6V,
9. Supply current: ≥500mA
10. Interface: UART/GPIO/ADC/PWM/I2C/SPI IO 11 UART rate Default 115200 bps
11. Security: WPS/WEP/WPA/WPA2 Personal/WPA2 Enterprise/WPA3
12. Flash: Default 2 MByte, MAX support 16 MByte

Datasheet:

Package Includes:

1 x Ai-Thinker Ai-WB2-12S Module

About 12s Module

Ai-Thinker Ai-WB2-12S Module is available at Zbotic, India’s trusted electronics and robotics store. Manufactured by Ai- Thinker, this product is designed for hobbyists, students, and professionals working on electronics, robotics, and DIY projects.

Product Details

• Brand: Ai- Thinker
• SKU: AI1677
• Category: Ai Thinker ESP Modules

Why Buy from Zbotic?

Zbotic offers a wide range of electronics components, development boards, sensors, and robotics parts. All products are quality-checked and shipped within 24 hours. Free shipping on qualifying orders. We offer COD (Cash on Delivery) and secure online payment options. Our customer support team is available to help with technical queries about 12s Module and other products.

Applications

12s Module can be used in a variety of projects including Arduino projects, Raspberry Pi builds, drone assembly, 3D printing, IoT applications, and educational experiments. Whether you are a beginner or an advanced user, this component provides the reliability and performance you need. Order your 12s Module today and start building.

Ai-Thinker Ai-WB2-12S Module Overview

The Ai-Thinker Ai-WB2-12S Module is a compact Wi-Fi and Bluetooth combo board based on the BL602 SoC. It integrates a low-power 32-bit RISC CPU, 276 KB RAM and multiple interfaces, making it ideal for IoT, wearable devices and smart home applications.

Key Features of Ai-Thinker Ai-WB2-12S Module

• Dual-mode connectivity: IEEE 802.11 b/g/n Wi-Fi (20 MHz, up to 72.2 Mbps) and Bluetooth 5.0/Bluetooth Mesh
• Wide supply range: 2.7 V to 3.6 V with ≥ 500 mA current provision
• Rich peripheral set: SDIO, SPI, UART, I²C, PWM, ADC, DAC, IR Remote, PIR and GPIO
• On-board security: WPS, WEP, WPA/WPA2 Personal & Enterprise, WPA3 support
• Flash memory: 2 MB default, expandable up to 16 MB for large firmware
• Fast shipping from Zbotic: dispatched within 24 hours with tracking

Applications and Use Cases

• Smart home controllers: connect sensors and actuators over Wi-Fi or Bluetooth Mesh
• IoT sensor nodes: use low-power ADC and GPIO for environmental monitoring
• Wearable electronics: leverage BLE 5.0 for data sync with mobile apps
• Remote controls and IR devices: integrate IR Remote interface for consumer gadgets
• Wireless gateways: bridge SPI or UART peripherals to cloud services
• Mesh networking: build scalable Bluetooth Mesh lighting or automation systems

How to Use Ai-Thinker Ai-WB2-12S Module

Begin by powering the module at 3.3 V and connect its UART pins to a USB-to-TTL adapter at 115200 bps for initial firmware loading. Use the BL602 SDK to compile and flash your application via SPI or SDIO. Configure Wi-Fi credentials and security modes through AT commands or your custom firmware, then deploy in your IoT or BLE mesh network.

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

What voltage range does the Ai-WB2-12S support?

The module accepts a supply voltage from 2.7 V to 3.6 V and requires at least 500 mA for stable operation under both Wi-Fi and BLE transmissions.

How do I expand the on-board flash memory?

By default the module ships with 2 MB of flash. You can solder a compatible 16 MB SPI flash chip onto the board’s footprint to increase storage for larger firmware or file systems.

Does the Ai-WB2-12S support Bluetooth Mesh?

Yes, the BL602 core on the Ai-WB2-12S includes Bluetooth 5.0 with Mesh capabilities, allowing you to build interoperable mesh networks for lighting, sensors and other distributed devices.