1.
INTERNAL USE
Vincent Hsu
Developer Product Manager
LinkIt Smart 7688
- a more connected world

2.
INTERNAL USE
DEMO
2

3.
INTERNAL USE
Hexapod by LinkIt Smart 7688
▪ h7ps://youtu.be/70pN0Rd0ca4
▪ h7ps://github.com/SmallpTsai/7688-hexapod

4.
INTERNAL USE
What’s inside ?
4

5.
INTERNAL USE
What’s inside ?
5
LinkIt Smart 7688

6.
INTERNAL USE
What’s inside ?
6
LinkIt Smart 7688
18 servo motors
(3 joints x 6 legs)

7.
INTERNAL USE
What’s inside ?
7
LinkIt Smart 7688
Talk through Wi-Fi
(WebSocket)
18 servo motors
(3 joints x 6 legs)

8.
INTERNAL USE
What’s inside ?
8
LinkIt Smart 7688
Talk through Wi-Fi
(WebSocket)
Client side: JavaScript
18 servo motors
(3 joints x 6 legs)

9.
INTERNAL USE
What’s inside ?
9
LinkIt Smart 7688
Talk through Wi-Fi
(WebSocket)
Client side: JavaScript
18 servo motors
(3 joints x 6 legs)
Web server

10.
INTERNAL USE
What’s inside ?
10
LinkIt Smart 7688
Talk through Wi-Fi
(WebSocket)
Client side: JavaScript
18 servo motors
(3 joints x 6 legs)
Web server Node.js backend

11.
INTERNAL USE
What’s inside ?
11
LinkIt Smart 7688
Talk through Wi-Fi
(WebSocket)
Client side: JavaScript
18 servo motors
(3 joints x 6 legs)
Web server Node.js backend
Libmraa to control I2C & PWM

12.
INTERNAL USE 12

13.
INTERNAL USE
LinkIt Smart 7688
13

14.
INTERNAL USE
Why IoT ? Why LinkIt ?
14

15.
INTERNAL USE 15
MediaTek market posiPons
Source (ranking by revenue of 2014):Strategy AnalyYcs, Gartner, IDC, IC Insight, iSuppli and MediaTek company data
* Combined with MStar. Source (Rankings by volume):Strategy AnalyYcs, Displaysearch, iSuppli , MediaTek company data
1
2
3
Smartphone Digital TV(*) DVD/BD Player Tablets Wi-Fi Feature Phone OpPcal Disc Drive
Copyright © MediaTek Inc. All rights reserved.

16.
INTERNAL USE
Fundamental shi in scope & scale
16
PC
Home as unit
Mobile internet
Person as unit
IoT
Thing as unit
1x 10x 100x 1000x

17.
INTERNAL USE
IoT: connecPng the world
17
More
• Connected things
• ApplicaYons
• System integraYons
• InteracYons
• Data
• Services
• AnalyYcs
New devices New apps New services

18.
INTERNAL USE
Growth of IoT developers
18
Ecosystem approach taps creaYvity, innovaYon & skills coming from
global network of developers & partners
Source: VisionMobile: "IoT Report Series: IoT Developer Popula:on 2015-2020," September 2015
By 2020
̶ 2020 5 Million more IOT developers
̶ CAGR 17%
300K
4.5M
5.3M
6.2M
7.3M
8.4M
9.7M
2014
2015
2016
2017
2018
2019
2020

19.
INTERNAL USE
labs.mediatek.com SDKs Technical docs HDKs
Discussion Forums,
FAQ & Dev Support
Newslefer SoluPons
Catalog
Business Support
and Matchmaking
19

20.
INTERNAL USE
MediaTek LinkIt
Development plagorms
20

21.
INTERNAL USE 21

22.
INTERNAL USE
LinkIt Smart 7688
22
• MT7688AN
• 128MB DDR2
• 32MB Flash
• Chip Antenna (default)
• IPEX Ext Antenna
• microSD
• USB Host
• JTAG

23.
INTERNAL USE
MT7688AN
23
▪ SpecificaYon
▪ 1T1R 802.11n Wi-Fi radio, 10/100M Ethernet
▪ 580MHz MIPS® 24KEcTM CPU
▪ USB2.0 host, SD-XC, I2S / PCM, I2C, PWM, UART, GPIO, SPI
▪ Also featured 5-port router, eMMC, PCIe support

24.
INTERNAL USE
Pin-out diagram
24

25.
INTERNAL USE
LinkIt Smart 7688 Duo
25
• MT7688 + ATmega32U4
• 128MB DDR2
• 32MB Flash
• Chip Antenna (default)
• IPEX Ext Antenna
• microSD
• USB Host
• JTAG

26.
INTERNAL USE
Pin-out diagram
26

27.
INTERNAL USE
Soware architecture
27
Python Node.js
Sensors
Firmata
Python Node.js
Sensors
UART port
Sensor Drivers
UART Library
App Logic App Logic
Sensors
Bridge Library
Sensor Drivers
Bridge Library
App Logic
(MPU provides Wi-Fi & USB Host)
libmraa
Python Node.js
upm
Sensors
App Logic
Sensors
USB Device/SD
LinkIt Smart 7688
Wi-Fi
MT7688 MT7688
ATMega32U4
UART
USB Device/SD
Sensors
LinkIt Smart 7688 Duo
OpenWrt OpenWrt OpenWrt
OpenWrt
Arduino Arduino Arduino
Wi-Fi
MPU (MT7688) with OpenWrt as Host
(default)
C C C
Firmata

28.
INTERNAL USE
LinkIt Smart 7688
28
libmraa
Python Node.js
upm
App Logic
Wi-Fi
MT7688
OpenWrt
Hardware Solware
Sensors
USB Device/SD
Sensors
C

29.
INTERNAL USE
OpenWrt
▪ Linux distribuYon focus on embedded devices
• Started from 2004
• Typically wireless router
• Full-featured, easily modifiable OS for routers
▪ A framework to build network applicaYons
• Free from the restricYon and configuraYon
provided by the vendor
29

30.
INTERNAL USE
MRAA
30
▪ Abstract the I/O interface under Linux
• GPIO / I2C / PWM / SPI / UART
▪ C / Python / Node.js
• h7p://c.mraa.io/
• h7p://py.mraa.io
• h7p://js.mraa.io
• GitHub
• h7ps://github.com/intel-iot-devkit/mraa

31.
INTERNAL USE
UPM
31
▪ Repository for sensor / module driver
implemented by MRAA
▪ Support various devices and vendors
• Accelerometer / pressure / display / gps / led / motor…
etc.
• Adafruit / SeeedStudio / Sparkfun... etc.
• Complete supported device list
• http://iotdk.intel.com/docs/master/upm/modules.html
• GitHub
• https://github.com/intel-iot-devkit/upm

32.
INTERNAL USE
Soware architecture
32
Python Node.js
Sensors
Firmata
Python Node.js
Sensors
UART port
Sensor Drivers
UART Library
App Logic App Logic
Sensors
Bridge Library
Sensor Drivers
Bridge Library
App Logic
(MPU provides Wi-Fi & USB Host)
libmraa
Python Node.js
upm
Sensors
App Logic
Sensors
USB Device/SD
LinkIt Smart 7688
Wi-Fi
MT7688 MT7688
ATMega32U4
UART
USB Device/SD
Sensors
LinkIt Smart 7688 Duo
OpenWrt OpenWrt OpenWrt
OpenWrt
Arduino Arduino Arduino
Wi-Fi
MPU (MT7688) with OpenWrt as Host
(default)
C C C
Firmata

33.
INTERNAL USE
LinkIt Smart 7688 Duo
Scenario #1
33
MT7688
ATMega32U4
UART
USB Device/SD
Sensors
Wi-Fi
Hardware Solware
Python Node.js
UART port
Sensor Drivers
UART Library
App Logic
OpenWrt
Arduino
Sensors
C

34.
INTERNAL USE
LinkIt Smart 7688 Duo
Scenario #2
34
MT7688
ATMega32U4
UART
USB Device/SD
Sensors
Wi-Fi
Hardware Solware
Firmata
Python Node.js
Sensors
Firmata
App Logic
OpenWrt
Arduino
C

35.
INTERNAL USE
Firmata
35
▪ A generic protocol from communicaYon
between MCU and a host MPU
• h7p://firmata.org/wiki/Main_Page
▪ ImplementaYons in Python, Node.js, C… etc.

36.
INTERNAL USE
LinkIt Smart 7688 Duo
Scenario #3
36
MT7688
ATMega32U4
UART
USB Device/SD
Sensors
Wi-Fi
Hardware Solware
Sensors
Bridge Library
Sensor Drivers
Bridge Library
App Logic
(MPU provides Wi-Fi & USB Host / SD)
OpenWrt
Arduino

37.
INTERNAL USE
Bridge library
from Arduino Yun
37
▪ Use UART (serial port) as the physical connecYon
• Bridge commands from MCU are interpreted by Python on
MPU
• h7ps://github.com/arduino-libraries/Bridge
MCU MPU

38.
INTERNAL USE
Soware architecture
38
Python Node.js
Sensors
Firmata
Python Node.js
Sensors
UART port
Sensor Drivers
UART Library
App Logic App Logic
Sensors
Bridge Library
Sensor Drivers
Bridge Library
App Logic
(MPU provides Wi-Fi & USB Host)
libmraa
Python Node.js
upm
Sensors
App Logic
Sensors
USB Device/SD
LinkIt Smart 7688
Wi-Fi
MT7688 MT7688
ATMega32U4
UART
USB Device/SD
Sensors
LinkIt Smart 7688 Duo
OpenWrt OpenWrt OpenWrt
OpenWrt
Arduino Arduino Arduino
Wi-Fi
MPU (MT7688) with OpenWrt as Host
(default)
C C C
Firmata

39.
INTERNAL USE 39
A cloud based data service plaoorm for Internet of Things devices.
MediaTek Cloud Sandbox (MCS)

40.
INTERNAL USE 40
Quickly prototype your ideas

41.
INTERNAL USE
MCS – CreaPng an end-to-end
development support for makers
41
Push data points
into clouds
Retrieve data generated
from device
Send noYficaYon
for specific event
Remote switching
and control

42.
INTERNAL USE
Benefits to Makers
Fast Prototype
Ease of Demo
Free Access & Support

43.
INTERNAL USE 43
MCS Key Features

44.
INTERNAL USE
MCS Service Architecture
Common Services
Trigger & acYon
Remote Control
Data Storage
Data VisualizaYon
Beta Release
Device RegistraYon
Device Status & Usage Report
Prototyping
Firmware Update
HTTP / HTTPS Resoul
API
TCP Socket
Protocol
MCS Console MCS App
Developing Tool Support
API reference
API hint
Tutorial
FAQ
Forum
Data Channel Design
Test Device Management
User Privilege IntegraYon
Service
Oauth

45.
INTERNAL USE 45
Development Progress
Device management
Test device
Prototype
• Data Channel
• Trigger & AcYon
• User Privileges
• API Hint
• Data VisualizaYon
• Remote Control
• NoYficaYon
• FOTA
• Device AcYvaYon
Support
MulY Language
Forum
System Monitor API Document
Tutorial

46.
INTERNAL USE
Device management
Test device
Prototype
• Data Channel
• Trigger & AcYon
• User Privileges
• API Hint
• Data VisualizaYon
• Remote Control
• NoYficaYon
• FOTA
• Device AcYvaYon
Support
VisualizaPon Data Channels

47.
INTERNAL USE
Gamepad Controller
Device management
Test device
Prototype
• Data Channel
• Trigger AcYon
• User Privileges
• API Hint
• Data VisualizaYon
• Remote Control
• NoYficaYon
• FOTA
• Device AcYvaYon
Support

48.
INTERNAL USE
Image Display Video Streaming
Device management
Test device
Prototype
• Data Channel
• Trigger AcYon
• User Privileges
• API Hint
• Data VisualizaYon
• Remote Control
• NoYficaYon
• FOTA
• Device AcYvaYon
Support

49.
INTERNAL USE
Device management
Test device
Prototype
• Data Channel
• Trigger AcYon
• User Privileges
• API Hint
• Data VisualizaYon
• Remote Control
• NoYficaYon
• FOTA
• Device AcYvaYon
Support

50.
INTERNAL USE
Device management
Test device
Prototype
• Data Channel
• Trigger AcYon
• User Privileges
• API Hint
• Data VisualizaYon
• Remote Control
• NoYficaYon
• FOTA
• Device AcYvaYon
Support

51.
INTERNAL USE
Device management
Test device
Prototype
• Data Channel
• Trigger AcYon
• User Privileges
• API Hint
• Data VisualizaYon
• Remote Control
• NoYficaYon
• FOTA
• Device AcYvaYon
Support

52.
INTERNAL USE
Device management
Test device
Prototype
• Data Channel
• Trigger AcYon
• User Privileges
• API Hint
• Data VisualizaYon
• Remote Control
• NoYficaYon
• FOTA
• Device AcYvaYon
Support

53.
INTERNAL USE 53
hfps://mcs.mediatek.com
Complimentary Service
Sign up today!

54.
INTERNAL USE 54