Ai-Thinker Ai-WB2-32S-Kit WiFi & BLE 5.0 Development Board
The Ai-Thinker Ai-WB2-32S-Kit is a powerful and versatile development board built around the Ai-WB2-32S module. Featuring the BL602 chip, this board supports both Wi-Fi (IEEE 802.11 b/g/n) and Bluetooth Low Energy (BLE) 5.0 protocols, making it an excellent choice for Internet of Things (IoT) projects, mobile devices, wearable electronics, and smart home applications. With a 32-bit RISC CPU, 276KB RAM, and an extensive set of peripheral interfaces—including SDIO, SPI, UART, I2C, PWM, ADC, DAC, and GPIO—this board offers robust performance and flexibility. The Ai-WB2-32S-Kit comes in a convenient DIP-38 package with an on-board PCB antenna, ensuring easy integration and reliable wireless connectivity. It supports advanced security features like WPA3 and low-power modes with a deep sleep current of just 12μA, making it ideal for both prototyping and production.
Features
- Dual connectivity with IEEE 802.11 b/g/n Wi-Fi and BLE 5.0
- Comprehensive Wi-Fi security: WPS, WEP, WPA, WPA2 Personal, WPA2 Enterprise, WPA3
- Bluetooth Mesh support for networked devices
- Flexible operating modes: Station + BLE, Station + SoftAP + BLE
- 32-bit RISC CPU with 276KB RAM for efficient processing
- Secure boot with ECC-256 signature support
- Real-time AES decryption (OTFAD) for QSPI and SPI Flash (AES 128 CTR mode)
- Advanced encryption: AES 128, 192, and 256-bit engines
- Hashing support: SHA-1/224/256
- True Random Number Generator (TRNG)
- Public Key Accelerator (PKA) for large-number operations
- Rich peripheral interfaces: SDIO, SPI, UART, I2C, VDC, IR remote, PWM, ADC, DAC, PIR, GPIO
- Integrated Wi-Fi MAC/BB/RF/PA/LNA and Bluetooth components
- Ultra-low power consumption: 12μA in deep sleep mode
- Quick-start with universal AT commands
- Supports secondary development on Windows and Linux platforms
Specifications
| Parameter | Value |
|---|---|
| Model | Ai-WB2-32S-Kit |
| Package | DIP-38 |
| Size | 55 x 25.4 mm |
| Antenna | On-board PCB antenna |
| Frequency Range | 2400 ~ 2483.5 MHz |
| Operating Temperature | -40°C ~ 85°C |
| Storage Environment | -40°C ~ 125°C, <90% RH |
| Power Supply | 3.3V or 5V, ≥500mA |
| Interfaces | UART, GPIO, ADC, PWM, I2C, SPI |
| Serial Port Rate | Default 115200 bps |
| Security | WPS, WEP, WPA, WPA2 Personal, WPA2 Enterprise, WPA3 |
| Flash | Default 4MB |
| Wi-Fi RF Performance | |
| Spectrum Range | 2400 ~ 2483.5 MHz |
| Output Power (11n mode HT20) | 16 dBm |
| Output Power (11g mode) | 17 dBm |
| Output Power (11b mode) | 19 dBm |
| Receiving Sensitivity (11b, 1Mbps) | -98 dBm |
| Receiving Sensitivity (11b, 11Mbps) | -90 dBm |
| Receiving Sensitivity (11g, 6Mbps) | -93 dBm |
| Receiving Sensitivity (11g, 54Mbps) | -76 dBm |
| Receiving Sensitivity (11n, HT20, MCS7) | -73 dBm |
| BLE RF Performance | |
| Spectrum Range | 2400 ~ 2483.5 MHz |
| Output Power (1Mbps) | 9 dBm (typical), up to 15 dBm |
| Receiving Sensitivity (1Mbps @ 30.8% PER) | -96 dBm |
| Power Consumption | |
| Tx 802.11b, 11Mbps, POUT=+21dBm | 260 mA |
| Tx 802.11g, 54Mbps, POUT=+18dBm | 245 mA |
| Tx 802.11n, MCS7, POUT=+17dBm | 230 mA |
| Rx 802.11b/g/n, 1024 bytes | 65 mA |
| Deep Sleep | 12 μA |
Applications
- Internet of Things (IoT) devices
- Mobile devices and accessories
- Wearable electronics
- Smart home automation systems
- Industrial automation solutions
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