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ZAVE ASR PRO Voice Recognition Module 4M Flash Chip Pre-soldered + Speaker + Download Cable ASRPRO Development Board Tianwen Offline Voice Intelligent Control Relay
ZAVE•Development board

ZAVE ASR PRO Voice Recognition Module 4M Flash Chip Pre-soldered + Speaker + Download Cable ASRPRO Development Board Tianwen Offline Voice Intelligent Control Relay

CN¥49.78
SKU: 100278885096
Status:In Stock (11)
ID: 100278885064
Weight: 46.00 g
Dims:152x104x16 mm

Variants / Sale Attributes

Color: ASRPRO board 4M+ speaker + cable

Package Contents

[2.0 Upgraded Version] ASRPRO Development Board (4M) Unassembled + Speaker + Download Cable

Product Description

Overview

Brand
New+
Model
ASRPRO 2.0 (Latest Version)

Heavy upgrade with ASRPRO 2.0 voice recognition module

One-key download for enhanced protection and stability

1.25 interface with power chip and TVS diode protection

Added 3.3V power supply chip to improve external device driving capability and reduce main control chip damage risk

Supports manual download (long press 2 seconds)

Single-chip application supporting multiple peripherals

  • SPI color screen
  • Temperature and humidity sensor
  • Bluetooth module
  • Wi-Fi module
  • Full-color RGB lights
  • PWM control for infrared emitter, temperature sensor, motor, relay, and servo

GPIO pins support high/low output, pulse, PWM, and serial input/output

Initial power-on state includes voice broadcast with customizable wake words and command words

Serial ports

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ZAVE Arduino Nano Uno Development Board Kit TYPE-C Interface 168P Chip Solder Pin Header + Cable
ZAVEDevelopment board

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TYPEC interface 168P chip soldered + cable

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ItemDetail
UART09600 baud rate (TX: PA2, RX: PA3)
UART1115200 baud rate (TX: PA5, RX: PA6)

Pin functions

  • PA0 to PA7 configured as output low level by default
  • PA0 outputs high level when voice assistant activated
  • PA1 outputs high pulse for 10 seconds when voice command to turn on light received
  • PB0 outputs PWM signal (1kHz, 50%) on specific serial command

Additional details

Core board
ASRPRO-CORE with integrated SPK, MIC, MUTE, and multiple GPIO pins

PCB dimensions and specifications

SizeUnfolded dimensions
Thickness1.19 mm (main chip 1.75 mm)
Pin pitch1.27 mm and 2.54 mm
Board size approx. 22.86mm x 17.6mm—

Development board includes multiple UART, PWM, I2C, and IIS interfaces

External microphone support requires resistor removal

Protection components include TVS diode and power chips for 3.3V and 5V lines

Product includes detailed pinout diagrams and real product photos for reference

Manual download requires pressing the download button for 2 seconds

Voice assistant supports customizable wake words and commands via typing

Supports hex code serial communication for voice responses and control signals

Additional details

Website
twen51.com

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