I’ll show that a little later in this guide. You can still access the serial console over UART with your own USB to serial debug board by connecting TX and Rx to P8 and P9 pins of Smart Link 7688 (DUO) board. The device is recognized as a USB modem, so it was not an option, and instead I fired up my Ubuntu laptop instead. ![]() cdc_acm : USB Abstract Control Model driver for USB modems and ISDN adapters Since you just need a web browser any operating system will do, and at first I used a desktop computer running Ubuntu 14.04 without WiFi (and not working WiFi dongle left), so I wondered if I could access the serial console via the USB connection, and ran dmesg: The green LED (top) for the MCU will turn on immediately, while the red LED (bottom) for WiFI will blink once, and only turn on continuously after 5 seconds, and within 30 seconds after that you should get WiFi connectivity. You’ll only need a micro USB cable and a computer with WiFi and USB ports to get started with the board. ![]() ![]() Mediatek Labs has announced LinkIt Smart 7688 development boards powered by Mediatek MT7688 WiSoC earlier today, but I was selected for a close beta several weeks before the launch, and I’ve had time to play a little with the boards, so today I’ll report my experience getting started with LinkIt Smart 76 Duo by writing a Quick Start Guide showing how to setup the boards, upgrade firmware, access the serial console, run “Blink LED” sample applications with Python and JavaScript, as well as the Arduino IDE, and connect to the Internet.
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