Price: $18.59
(as of Jul 01, 2025 11:36:59 UTC – Details)

Item Type: Voice Recognition Module
Material: PCB
USB Power Supply: 5V (also supports VCC Pin input 5V power supply)
Features:
No programming required, simple operation
Web Settings, easy to understand
Sensitive recognition, higher recognition rate
Functions:
Support custom power on broadcast voice
Support keyword and wake words setting
Support custom reply, serial output
Support custom GPIO port control
Setting can be modified unlimited times
Can set a variety of real pronunciation
IO Port: Universal IO PA25, 26, 27, PB2, 3, 6, 7 (IO port level 3.3V)

Accurate Recognition, Efficient Interaction: Adopting advanced voice recognition algorithms, it supports multi-language and multi-accent command parsing with high recognition accuracy. Quickly capture voice signals and quickly complete command responses to meet the needs of daily operations and complex tasks.
Flexible compatibility, convenient integration: equipped with on-board Micro USB interface, adapted to microcontroller, development boards and other devices for CH340NUSB to serial chip, high sensitivity microphone, 8Ω 1W speaker and toggle switch. It can be quickly connected to smart home, smart wearable, car system, etc.
Universal IO port, multiple functions: The development board introduces all IO ports of voice module, which can be directly plugged into the breadboard, and supports customized start-up broadcasting voice, keyword and wake-up word settings, customized reply language, and serial output, etc. It is stable and reliable, and can be widely adapted.
Stable, reliable and widely adaptable: It can operate stably in -10℃~60℃ environment through high and low temperature and anti-interference tests. Built-in noise reduction technology, effectively filtering background sound, accurate radio in noisy environments, ensuring stable voice interaction. Quickly learn and verify offline voice control of various peripherals, such as relays, LEDs and PWM dimming.
Simple operation and flexible customization: support customized wake-up words, voice announcement content and tone to meet personalized needs. Provide standardized interface and development documents, so even novice users can get started quickly, and adapt to the development needs of different scenarios.