LinkIt 7697 Development Board (ESP32 Alternative)

Product #: 74617

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UnmannedTech

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Arduino & Raspberry Arduino

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5 ( 10 Review )

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LinkIt 7697 is a co-design product by Seeed Studio and MediaTek. As the latest member of the LinkIt family, it uses the MediaTek MT7697 SoC and aims at providing lightweight IoT solution. It may reminds you of LinkIt Smart 7688/Duo, another development board which released in 2015. Both of them are born for IoT however they are quite different.

The chipset of LinkIt 7697 is MT7697, a highly integrated single chip which features an application processor, a low power 1×1 11n single-band Wi-Fi subsystem, a Bluetooth subsystem, and a Power Management Unit. The application processor subsystem contains ARM Cortex-M4F MCU. It also includes many peripherals, including UART, I2C, SPI, I2S, PWM, IrDA, and auxiliary ADC.

For programming, you can program the board with the native LinkIt SDK using GCC, IAR embedded workbench, or KEIL uVision. In order to make it easier to use, LinkIt 7697 also provides a porting layer to the popular Arduino IDE – so that you can use your existing Arduino sketches and peripheral driver libraries.

If comparing with Arduino UNO, you will find that the LinkIt 7697 is more powerful as it can run more complicated and store larger program, IoT application friendly and cost effective, you can even plug it into a breadboard directly and start your IoT project right away.

Features:

Lightweight IoT application
Cortex-M4 with FPU@192Mhz
Wi-Fi 802.11 b/g/n (2.4G)
Support BLE
Pin-out for GPIO, UART, I2C, SPI, PWM, EINT, ADC, IrDA, I2S
Open software development environment FreeRTOS, Arduino, BlocklyDuino
352KB RAM and 4MB Flash.
CE, FCC, NCC certified

Hardware Overview

Specifications:

Module	wrtnode7(wrtnode.com)
Chipset	MT7697 Cortex-M4 with FPU @ 192Mhz
RAM	352 KB
Flash	4 MB
Wi-Fi	802.11 b/g/n (2.4G)
Bluetooth	4.2 LE
Dimension	48×26 mm
Operating Voltage	3v3
Input Voltage	5v (microUSB)
USB2UART	CP2102N
Peripheral Interfaces	GPIO x18 UART x2 I2C x1 SPI x1 PWM x18 EINT x4 ADC x4 (0~2.5V) IrDA x1 I2S x1
Debug Interfaces	SWD x1

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