β¦ Verified product
Seeed Studio ReSpeaker Lite 2-Mic Array Voice Kit ESPHome ESP32-S3
USD 38.55
OpenELAB Inc.
Verified independent store
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π§ Powered by XMOS XU316 AI Sound & Audio Chipset, this high-performance, open-source development kit is built for next-gen voice assistant applications ποΈπ€. π Integrated with ReSpe
aker Lite Dual-Microphone Array and the mighty XIAO ESP32S3 processor, it delivers: π£οΈ Exceptional voice recognition π Advanced noise reduction ποΈ Intelligent voice processing via onboard AI NLU algorithms π‘ Smart Home Ready: Seamlessly integrates with Home Assistant via ESPHome, making it perfect for: π Smart voice assistants π Home automation systems π‘ IoT voice interfaces π‘ Whether you're prototyping or deploying, this kit brings clarity, intelligence, and flexibility to your voice-enabled projects. Features π Pre-Soldered ESP32 Controller A powerful XIAO ESP32S3 comes pre-soldered via I2S pins, offering a hassle-free, solderless setup for rapid development and seamless integration π§©. ποΈ Dual Microphone Array for Far-Field Voice Capture Two high-performance digital microphones capture voice from up to 3 meters, even in noisy environments πͺοΈ. Point noise is intelligently cancelled using dual input for crystal-clear speech recognition π£οΈ. π§ Onboard Audio Front-End Algorithms Driven by the XMOS XU-316 AI Sound & Audio Chip, the kit features advanced Natural Language Understanding (NLU) algorithms: π« Interference Cancellation (IC) π Acoustic Echo Cancellation π Noise Suppression π Automatic Gain Control (AGC) All working together to ensure high-quality voice capture in real time. π» Open Source Friendly Fully compatible with Arduino, PlatformIO, MicroPython, and CircuitPython, making it perfect for developers who love flexibility and customization π§. π£οΈ Works with Popular Voice Assistants Build your own natural language processor and connect it to: π Home Assistant via ESPHome π¨οΈ Amazon Alexa Voice Service π Google Assistant βοΈ Cloud Speech-to-Text APIs Enable voice commands and smart interactions across your applications. π Onboard RGB LED Includes a programmable WS2812 RGB LED, perfect for custom lighting effects and visual feedback π¨. Specification General Core Chip XMOS XU316 Digital Microphones High-Performance Digital Microphones * 2 Sensitivity -26 dBFS Acoustic Overload Point 120 dBL SNR 64 dBA Power Supply USB 5V, External 5V Dimensions 35*86 mm Audio Output Speaker Connector / 3.5mm Headphone Jack Maximum Sampling Rate 16Khz Speaker Supports 5W Amplifier Speakers. XIAO ESP32S3 Processor ESP32-S3R8 Xtensa LX7 dual-core, 32-bit processor running up to 240 MHz Wireless Complete 2.4GHz WiFi subsystem BLE: Bluetooth 5.0, Bluetooth mesh On-chip Memory 8M PSRAM & 8MB Flash Interface 1x UART, 1x IIC, 1x IIS, 1x SPI,11x GPIO(PWM), 9x ADC, 1x User LED, 1x Charge LED 1x Reset button, 1x Boot button Dimensions 21 x 17.5mm Power Input voltage (Type-C): 5V Input voltage (BAT): 4.2V Circuit operating Voltage (ready to operate): - Type-C: 5V@19mA - BAT: 3.8V@22mA Charging battery current: 100mA Low Power Consumption Model (Supply Power: 3.8V) Modem-sleep Model: ~ 25 mA Light-sleep Model: ~ 2mA Deep Sleep Model: ~ 14 ΞΌA WiFi Enabled Power Consumption Active Model: ~ 100 mA BLE Enabled Power Consumption Active Model: ~ 85 mA Working Temperature -40Β°C ~ 65Β°C Hardware Overview Hardware Flowchart Hardware Diagram 1 Dual Microphone Array Provides high-quality audio input. 2 Power Indicator Light Illuminates when powered on. 3 RGB Light Programmable WS2812, provides visual feedback. 4 Mute Indicator Light Lights up red when the mute button is pressed. 5 USR Button User-defined button. 6 Mute Button Mutes audio input when pressed. 7 XIAO ESP32S3 For further development and integration. 8 XU316 Core Processor Responsible for audio processing and transmission. 9 External Power Supply Solder Pad Supports external 5V power supply. 10 USB Type-C Port Used for power and data transmission. 11 Speaker Connector For audio output. Supports 5W amplifier speakers. 12 3.5mm Headphone jack Output audio, We can plug active speakers or Headphones into this port. 13 External power pad 1 Unused IO pins on the XIAO ESP32. 14 External power pad 2 Unused IO pins on the XU316. 15 JTAG For debugging and programming the XU316. Pinout Diagram of XIAO ESP32S3 Application Smart Speakers and Virtual Assistants: Work with Amazon Alexa and Google Assistant to improve voice command recognition. Audio Processing Development: Suitable for projects involving audio signal processing and analysis. Conference Systems: Ensures clear communication during video and audio conferences. Voice-Bsed Remote Control Cars Keywords Spotting and Wake up Documents Product-Brief of XMOS XU316 ReSpeaker Lite Voice Assistant Kit with XIAO ESP32S3 - CE certifications ReSpeaker Lite Voice Assistant Kit with XIAO ESP32S3 - FCC certifications Schematic diagram of ReSpeaker Lite Certificates and Compliance Documents Available certification and compliance documents for this product can be reviewed as PDF files below. CE Document FCC Document Declaration of Conformity Document
