Voice Recognition Module GPIO UART, SPI 30MHz, Full Duplex UART 3Mbps, I2C 400kHz, PWM, 12 bit SAR ADC 450kHz, RISC Core 240M, Sound Processing, FFT, Flash Memory 2MB, Power

Price: $19.08
(as of Jun 25, 2025 21:13:07 UTC – Details)

1. Versatile Connectivity Options: The voice recognition module features GPIO pins that can be configured as external interrupt inputs and wake up sources, as well as a standard SPI interface with a maximum speed of 30MHz, a full duplex UART with a maximum speed of 3Mbps (3.3V), and an I2C master or slave controller with a maximum speed of 400kHz. This allows for flexible and seamless communicating with external devices.
2. Enhanced Signal Processing Capabilities: With two PWM outputs and a 12 bits SAR-ADC boasting a maximum sampling rate of 450kHz, this speak recognition module provides accurate and efficient signal processing capabilities for a variety of applications, ensuring excellent sound playback.
3. Powerful Processing Unit: Equipped with a 32 bits RISC core running at a frequency of 240M, the voice recognition playback module supports instructions and features an FPU for floating point arithmetic operating, enabling fast and efficient data processing.
4. Advanced Functionality: The speech recognition module includes an FFT accelerator that supports complex FFT or IFFT operations up to 1024 points or real FFT or IFFT operating up to 2048 points, providing advanced signal processing capabilities for sound analysis and manipulation.
5. Wide Application: The voice playback module comes with built in high speed 2MB of flash memory for storing sound files, as well as a 2.4W single channel AB class power amplifier for clear and powerful sound output. Additionally, it features POR (Power on Reset), low voltage detection, and watchdog functionalities for reliable and safe operating. The compact offline voice recognition module that can be quickly integrated into smart home devices, various smart appliances, switches, toys, lighting fixtures, and other products requiring voice control, making it an ideal solution for a variety of applications.

Specification:
Item Type: Voice Recognition Module
Material:
[Advanced Processing] Equipped with a 32-bit risc core running at 240m, this module supports instructions and features an fpu for fast data processing.
[Signal Analysis] The speech recognition module includes an fft accelerator supporting complex operations, providing advanced signal processing for sound analysis.
[High-speed Memory] The voice playback module comes with built-in 2mb flash memory for sound storage and a 2.4w power amplifier for clear output, ideal for smart home devices and appliances.
[Flexible Communication] The voice recognition module features gpio pins for external interrupt inputs, a standard spi interface with a 30mhz speed, and a full duplex uart with 3mbps speed, ensuring seamless communication with external devices.
[Accurate Signal Processing] With two pwm outputs and a 12-bit sar-adc offering a 450khz sampling rate, this module provides efficient signal processing capabilities for superior sound playback.