Description
本商品為研發實驗用的模組，無法隨插即用，須經專業背景人士（如：工程師、研究生、師生）撰寫程式、燒錄、接線等二次加工後，才具備訊號傳輸功能。 並非直接插電後可直接使用之射頻模組，非屬電信管制射頻器材，購買前請詳閱商品說明。 凡購買即贈送 USB to Micro USB 傳輸線一條【368112000007】
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.
What is LinkIt Smart 7688
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.
Specifications
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 |
Schematic diagram
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.
- ※LinkIt Smart 7688【贈USB線】 x 1
