The Linklt Smart 7688 development platform offers two developments boards:Linklt Smart 7688: MPU only. Powered by Media Tek MT7688.Linklt Smart 7688 Duo: MPU and MCU. Powered by Media Tek MT7688 and ATmega 32U4. LinkIt Smart 7688 What is LinkIt Smart 7688 Specifications Schematic diagram The LinkIt Smart 7688 is an open development board, based on the OpenWrt Linux distribution and MT7688. The board is designed especially to enable the prototyping of Rich Application IoT devices for Smart Home. The board offers you the memory and packet storage to enable robust video processing. The platform also offers options to create device applications such as Python, Node.js and C programming language. LinkIt Smart 7688 is a co-design product by Seeed Studio and MediaTek. It brings together the parties' knowledge in open hardware and industry leading reference designs for IoT devices to create this powerful development board. LinkIt Smart 7688 is fully supported on the MediaTek Labs site: check out the LinkIt section and register here to download the SDK, participate in the Forums, and more. Features Single input single output(1T1R) Wi-Fi 802.11 b/g/n. Pin-out for GPIO, I2C, I2S, SPI, UART, PWM and Ethernet Port. 580 MHz MIPS CPU. 32MB flash and 128MB DDR2 RAM. USB host. Micro SD slot. Category Feature Specification MPU Chipset MT7688AN Core MIPS24KEc Clock speed 580MHz Working voltage 3.3V PCB Size Dimensions 55.7 x 26 mm Memory Flash 32MB RAM 128MB DDR2 Power Source USB Power 5V (USB micro-B) VCC 3.3V (Pin Breakout) GPIO Pin Count 22 (MT7688AN) Voltage 3.3v PWM Pin Count 4 (MT7688AN) Voltage 3.3v Max. Resolution 7 bits (customizable) Maximum Frequency@Resolution 100kHz@1-bit 50kHz@2-bit 25kHz@3-bit 12.5kHz@4-bit 6.25kHz@5-bit 3.125kHz@6-bit 1.5625kHz@7-bit (Standard mode) 40MHz@1-bit 20MHz@2-bit 10MHz@3-bit 5MHz@4-bit 2.5MHz@5-bit 1.25Mhz@6-bit 625kHz@7-bit (Fast mode) External Interrupts Pin Count 22 (MT7688AN) SPI Set count 1 (MT7688AN) Pin numbers P22, P23,P24 (Shared with on-board flash), P25 Max. Speed 25 MHz SPI Slave Set count 1 (MT7688AN) Pin numbers P28, P29, P30, P31 Max. Speed 25 MHz I2S Set count 1 (MT7688AN) Pin numbers P10, P11, P12, P13 I2C Set count 1 Pin numbers P20, P21 Speed 120K/400K DEMO Demo –Smart WiFi Audio It is a WiFi Audio which allows your mobile phone to connect to its WiFi and play the music in your phone. If you connect the Linklt Smart 7688 to your Router, the Audio will show the IP on the Grove RGB Backlight LCD, and also the music names. Documents Please visit our Wiki page for more info about this product. It will be highly appreciated if you can help improve the documents, add demo codes or tutorials. For technical support, please post your questions to our Forum.
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