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Description
- 1 x ReSpeaker Core
- 1 x 8G Class 10 Micro SD Card
- 1 x 200mm micro usb cable
- 70mm diameter
- Weight: 17g
- 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