
Seeedstudio ReSpeaker Core
Description Seeedstudio ReSpeaker Core Open modular voice interface Supports both online cognitive services and offline lightweight speech recognition engine 802.11b/g and HT 802.11n modes 40mW output power into 16Ω at 3.3V Can be stacked under the SeeedStudio ReSpeaker Mic Array v2.0 - Far-field w/ 4 PDM Microphones(not included) The Seeedstudio ReSpeaker Core is an open modular voice interface to hack things around you. Let you interact with your home appliances, your plant, your office, your internet-equipped devices or any other things in your daily life, all by your voice. ReSpeaker supports both online cognitive services and offline lightweight speech recognition engine. You can add ReSpeaker to things around you to make them smart(smarter). Voice interface has never been apart from music entertainment, so does ReSpeaker. ReSpeaker supports Airplay/DLNA for wireless music streaming. Just connect ReSpeaker to any ordinary speaker with an AUX cable, then you can start enjoying the music you love without pressing a single button. View more What's Included 1 x ReSpeaker Core 1 x 8G Class 10 Micro SD Card 1 x 200mm micro usb cable Dimensions 70mm diameter Weight: 17g Links PDF File Seeedstudio ReSpeaker Core - Wiki Website Seeedstudio ReSpeaker Core - GitHub Specifications AI7688 Wi-Fi Module Operation system: GNU/Linux based OpenWrt Wi-Fi Network: Support Legacy 802.11b/g and HT 802.11n modes Expansion: Two expansion headers for I2C, GPIO and USB 2.0 host Interfaces: Built-in 3.5mm AUX port, Micro USB and SD card slot ATMega32U4 Coprocessor USB CDC virtual serial port for linux console 12 programmable RGB LED indicators 8 on board touch sensors Codec WM8960 DAC SNR 98dB (‘A’ weighted), THD -84dB at 48kHz, 3.3V ADC SNR 94dB (‘A’ weighted), THD -82dB at 48kHz, 3.3V Stereo Class D Speaker Driver with 87% efficiency (1W output) On-chip Headphone Driver 40mW output power into 16Ω at 3.3V THD -75dB at 20mW, SNR 90dB with 16Ω load On-chip PLL provides flexible clocking scheme Sample rates: 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48 kHz Power Supply: 5V DC