1. Effortless Firmware Development: The voice recognition module simplifies the development process with its smart offline recognition capability, allowing for quick firmware creation without the need for extensive learning. This feature makes it an ideal choice for developers looking to integrate voice recognition into their projects efficiently. 2. High Recognition Accuracy: With the ability to accurately recognize up to 300 user-defined phrases, including repetitive words and multiple entries, the voice development board stands out for its high recognition rate. This capability ensures reliable performance in various applications. Type:Module Condition: ASRPRO development board Module model:ASRPRO-2M Size:30x28(±0.2)mm Working temperature:-40℃-85℃ Storage environment:-40℃-100℃ Less than 5% RH Support interface:UART/12C/PWM/SPI/GPI0 Number of available I0 ports:10 Serial port rate:default 9600bps SPI Flash:2MB (built-in), 4MB (built-in) ASRPRO chip parameters Recognition rate:more than 98% Recognition distance:up to 10m Recognition response time:less than 0.1S System frequency:240MHz SRAM:640KB Clock: Built-in high-precision RC oscillator, no external crystal oscillator and capacitor are required, and the temperature drift is less than 2% UART interface: 3 channels, maximum support for 3 M baud rate LIc interface: 1 channel, expandable through external IIC devices PWM interface: 6 channels, direct drive lamp control and motor application Color:As Shown Material:PCB Package Contents: 1 * AI offline recognition development board