reSpeaker Lite 2-Mic Array Voice Kit, Compatible with ESPHome

DESCRIPTION Powered by XMOS XU316 AI Sound and Audio chipset, it is a high-performance open source voice assistant development kit. The kit integrates the reSpeaker Lite dual-microphone array and a powerful XIAO ESP32S3 processor, offering exceptional voice recognition, noise reduction, and voice processing capabilities thanks to its onboard AI NLU algorithms. This kit provides firmware integration with Home Assistant via ESPHome, making it ideal for smart voice assistants and home automation applications. FEATURES Pre-Soldered ESP32 Controller: A powerful XIAO ESP32S3 is pre-soldered via the I2S pins, offering a solderless experience for further development and integration. Dual Microphone Array for Far-Field Voice Capture: The 2 high performance digital microphones capture and extract far-field speech and voice (up to 3 meters) even in noisy environments as it cancells point noise using two microphone input. Onboard Audio front-end Algorithms: Powered by XMOS XU-316 AI sound and audio chip, the kit includes Natural Language Understanding algorithms for Interference Cancellation (IC), Acoustic Echo Cancellation, Noise Suppression, and Automatic Gain Control (AGC), enabling high quality voice capture. Embracing Open Source: It's compatible with Arduino, PlatformIO, MicroPython, CircuitPython for furthur developement. Compatible with Popular Voice Assistants: This kit allows you to build your own natural language processor and connect it to Home Assitant via ESPHome, Amazon Alexa Voice Service, Google Assistant, or Cloud Speech-to-Text service, enabling you to ask questions and issue voice commands to your programs. Onboard RGB LED: The kit features a programmable WS2812 RGB LED, supporting custom effects and offering a visual interface for your applications. HARDWARE OVERVIEW HARDWARE DIAGRAM Dual Microphone Array: Provides high-quality audio input. Power Indicator Light: Illuminates when powered on. RGB Light: Programmable WS2812, provides visual feedback. Mute Indicator Light: Lights up red when the mute button is pressed. USR Button: User-defined button. Mute Button: Mutes audio input when pressed. XIAO ESP32S3: For further development and integration. XU316 Core Processor: Responsible for audio processing and transmission. External Power Supply Solder Pad: Supports external 5V power supply. USB Type-C Port: Used for power and data transmission. Speaker Connector: For audio output. Supports 5W amplifier speakers. 3.5mm Headphone jack: Output audio, We can plug active speakers or Headphones into this port. External power pad 1: Unused IO pins on the XIAO ESP32. External power pad 2: Unused IO pins on the XU316. JTAG: For debugging and programming the XU316. PINOUT DIAGRAM OF XIAO ESP32S3 APPLICATIONS 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-Based Remote Control Cars Keywords Spotting and Wake up TECHNICAL DETAILS 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 μA WiFi Enabled Power Consumption: Active Model: ~ 100 mA BLE Enabled Power Consumption: Active Model: ~ 85 mA Working Temperature: -40°C ~ 65°C DOCUMENTS reSpeaker Series Flyer 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 SHIPPING LIST 1x reSpeaker Lite Voice Assistant Kit