LinkIt Smart 7688 Duo
Product Code: Seeed 102110017
The Linklt Smart 7688 development platform offers two developments boards:
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Linklt Smart 7688: MPU only. Powered by Media Tek MT7688.
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Linklt Smart 7688 Duo: MPU and MCU. Powered by Media Tek MT7688 and ATmega 32U4.
What is LinkIt Smart 7688 Duo
LinkIt Smart 7688 Duo is an open development board compatible with Arduino Yún sketches, based on the OpenWrt Linux distribution, MT7688 and ATmega32u4. The board is designed especially to enable the prototyping of Rich IoT Application for smart house or office. Since it is compatible with Arduino, this allows you to use different features from Arduino Yún and LinkIt Smart 7688 Duo, which will help you build rich applications based on various, robust and compiled Arduino Yún sketches. The board offers you the memory and packet storage to enable robust video processing. The platform also offers options to create device applications in Python, Node.js and C programming language.
LinkIt Smart 7688 duo 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 duo is fully supported on the MediaTek Labs site: check out the LinkIt sectionandregister here to download the SDK, participate in the Forums, and more.
Note (important)
In order to protect the product from improper operation, please pay attention to below notes.
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Choose more reliable power adapter with stable output.
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Recommended conditions of power input source for 7688:
1. Overshoot voltage of power input should not over 5.5.
2. Voltage wave should be within ±100mV of rated voltage.
Features
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580 MHz MIPS CPU
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Single input single output(1T1R) Wi-Fi 802.11 b/g/n (2.4G)
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Pin-out for GPIO, I2C, SPI, SPIS, UART, PWM and Ethernet Port
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32MB Flash and 128MB DDR2 RAM
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USB host
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Micro SD slot
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Support for Arduino (ATmega32U4)
Specifications
| Category | Feature | Specification |
|---|---|---|
| MPU | Chipset | MT7688AN |
| Core | MIPS24KEc | |
| Clock speed | 580MHz | |
| Working voltage | 3.3V | |
| MCU | Chipset | ATmega32U4 |
| Core | Atmel AVR | |
| Clock speed | 8MHz | |
| Working voltage | 3.3V | |
| PCB Size | Dimensions | 60.8 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 | 3 (MT7688AN) 24 (ATmega32U4) |
| Voltage | 3.3v | |
| PWM | Pin Count | 8 (ATmega32U4) |
| Voltage | 3.3v | |
| Max. Resolution | 16 bits (customizable) | |
| Maximum Frequency@Resolution | 31.25kHz@8-bit, Timer 0 (4 sets) | |
| 2MHz@2-bit,122Hz@16-bit, Timer 1 & 3 (4 sets) | ||
| 187.5kHz@8-bit, 46.875kHz@10-bit, Timer 4 (6 sets) | ||
| ADC | Pin Count | 12 (ATmega32U4) |
| Voltage | 3.3v | |
| External Interrupts | Pin Count | 8 (ATmega32U4) |
| SPI/SPIS | Set count | 1 (ATmega32U4) |
| Pin numbers | S0, S1, S2, S3 | |
| Max. Speed | 4 MHz | |
| I2C | Set count | 1 |
| Pin numbers | D2, D3 | |
| Speed | 400K | |
| UART Lite | Set count | 1 (ATmega32U4) |
| 1 (MT7688AN) | ||
| Pin numbers | P8, P9 (MT7688AN) | |
| D0, D1 (ATmega32U4) | ||
| Max. Speed | 0.5 Mbps (MT7688AN) | |
| 0.5 Mbps (ATmega32U4) | ||
| USB Host | Set count | 1 (MT7688AN) |
| Pin numbers | P6, P7 | |
| Connector type | Micro-AB | |
| Communication | Wi-Fi | 1T1R 802.11 b/g/n (2.4G) |
| Ethernet | 1-port 10/100 FE PHY | |
| Pin numbers | P2, P3, P4, P5 | |
| User Storage | SD Card | Micro SD SDXC |
Schematic Diagram
Technical Details
| Dimensions | 56mm x 26mm x 18mm |
| Battery | Exclude |
Documents
Part List
| LinkIt Smart 7688 Duo | 1 |
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₹7,679.00
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