1. Product Introduction

▫️ Overview

Ai-WV02-32S is an artificial intelligence AIoT voice module developed by Shenzhen Ai-Thinker Technology Co., Ltd. This module is equipped with BL618 chip as the core processor and VB6824 chip as the speech algorithm processor. The Ai-WV02-32S module has a wide range of peripheral interfaces, including SPI, UART, I2C, I2S, PWM, GPDAC, GPADC, ACOMP, and GPIO. It can be widely applied in fields such as audio and video multimedia, Internet of Things (IoT), mobile devices, wearable electronic devices, smart homes, etc.

▫️ Features

• SMD-40 package
• Supports 2.4GHz operating frequency band
• Supports IEEE 802.11 b/g/n/ax
• Supports BLE 5.3 (Bluetooth Low Energy 5.3)
• Supports Thread
• Supports Wi-Fi/BLE/Thread coexistence
• Wi-Fi security supports WPS (Wi-Fi Protected Setup)/WEP (Wired Equivalent Privacy)/WPA (Wi-Fi Protected Access)/WPA2/WPA3
• Supports 20/40MHz bandwidth, 1T1R (1 Transmitter 1 Receiver), with a maximum data rate of 229.4 Mbps
• Supports STA (Station) mode, SoftAP (Software Access Point) mode, STA+SoftAP mixed mode, and sniffer mode
• 32-bit RISC-V CPU with FPU (Floating-Point Unit) and DSP (Digital Signal Processor), with a maximum clock frequency of up to 320 MHz
• 4MB pSRAM (Pseudo-Static Random Access Memory), 532KB SRAM (Static Random Access Memory), 128KB ROM (Read-Only Memory), 4Kb eFuse (Electrically Programmable Fuse)
• Supports interfaces including USB,SPI,UART,I2C,I2S,PWM,GPDAC,GPADC,ACOMP,and GPIO
• Integrates RF Balun (Radio Frequency Balun), PA (Power Amplifier)/LNA (Low-Noise Amplifier)
• Supports secure boot and secure debugging
• Supports XIP QSPI On-The-Fly AES Decryption (OTFAD, On-The-Fly AES Decryption)
• Supports TrustZone (a hardware-based security technology)
• Supports AES-CBC (Advanced Encryption Standard-Cipher Block Chaining)/CCM (Counter with CBC-MAC)/GCM (Galois/Counter Mode)/XTS (XEX-based Tweaked Codebook Mode with Ciphertext Stealing) modes
• Supports MD5 (Message-Digest Algorithm 5), SHA-1/224/256/384/512 (Secure Hash Algorithm)
• Supports TRNG (True Random Number Generator)
• Supports PKA (Public Key Accelerator) for RSA (Rivest-Shamir-Adleman)/ECC (Elliptic Curve Cryptography)
• Supports Wi-Fi fast connection via BLE
• Supports secondary development, with integrated Windows and Linux development environments
• Supports offline voice recognition
• Supports voice noise reduction algorithm

▫️ Selection Table

Selection Table: Click to Download

2. Datasheets, PCB footprint

• Datasheets:

Module Name	Chinese Datasheet	English Datasheets	PCB Footprint
Ai-WV02-32S	Click to View	View	Click to download

3. Firmware Download, Flashing, and Debugging

• Firmware Download (Version V1.5): Click to download
• Firmware Flashing Guide: Click to View

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4. FAQ

• Common Questions FAQ: Click to View