Ai-Thinker VC-02 Offline Speech Recognition Control Module
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The VC-02-Kit is a development board for the Voice Recognition Module, sharing the same design as the VC-01-Kit. It features an integrated CH340C USB-to-serial chip for debugging and upgrading, with added functionality like wake-up light, cold, and cooling lamp control, along with status indicators for easy debugging and control. Developed by Shenzhen Ai-Thinker Technology Co., Ltd., the Ai-Thinker VC-02 is a cost-effective offline speech recognition solution that uses the US516P6 voice chip from Unisound.
This VC02 voice module offers deep integration of offline recognition algorithms, providing an ultra-low-cost speech recognition solution for embedded applications. It is ideal for smart homes, small household appliances, 86 boxes, toys, lamps, and more, enabling reliable voice control without internet connectivity.
The US516P6 chip features a 32-bit RISC architecture, DSP instructions for signal processing, an FPU unit for floating-point operations, and an FFT accelerator. The VC02 module supports 150 local offline commands and a lightweight RTOS system, making it easy to customize with a variety of peripheral interfaces. Whether you are building automation systems or interactive electronics projects, the VC02 delivers efficient offline voice recognition performance.
1 x Ai-Thinker VC-02 Offline Speech Recognition Control Module
| Item Type | AI and Voice Module |
|---|---|
| Model | Ai-Thinker VC-02-Kit |
| Supply Voltage (V) | 5 |
| Current (mA) | 500 |
| Weight (g) | 19 |
| Dimensions (LxWxH) | 4.5 × 3.1 × 1 cm |
The VC-02 offline speech recognition module is designed for voice control in electronics and robotics projects. It enables devices to respond to spoken commands without relying on the internet or cloud services. This makes it ideal for DIY automation, smart home setups, and robotics where reliable, local voice control is needed for better privacy and fast response times.
Yes, the VC-02 module operates entirely offline and does not require internet or Wi-Fi connectivity for speech recognition. It processes voice commands locally, ensuring fast response and secure operation. This makes it perfect for applications needing robust voice control in areas with limited connectivity or where privacy is important.
The VC-02 offline speech recognition module can support up to 150 custom voice commands, offering flexibility for various electronics and robotics projects. Users can program specific commands to fit their requirements, making it easy to control devices or automate tasks with spoken instructions.
The VC-02 offline speech recognition module uses the integrated CDE audio chip as its core microcontroller. This chip handles voice processing and command recognition efficiently, enabling offline operation. The design ensures compatibility with popular development boards like Arduino and ESP32, making integration with robotics and automation projects simple.
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