User's Manual
Table Of Contents
- 1. Introduction
- 2. Development Environment
- 2.1. Operating Systems
- 2.2. OpenWrt Introduction
- 2.3. Network Environment
- 2.4. System Configuration
- 2.4.1. Accessing Web UI
- 2.4.2. Accessing System Console
- 2.4.3. Using SSH (Secure Socket Shell)
- 2.4.4. Using Serial to USB Cable
- 2.4.5. Upgrading Firmware
- 2.4.6. Upgrading bootloader
- 2.4.7. Wi-Fi Reset
- 2.4.8. Factory Reset
- 2.4.9. Connecting LinkIt Smart 7688 To a network with Wi-Fi Access Point
- 2.4.10. Open a system console and enter the following commands to change LinkIt Smart 7688 to station mode ( For more information on system console, please see 2.4.1 “Accessing Web UI
- 2.4.11. Viewing System Information from the Web UI
- 2.5. Accessing the USB drive and the SD card
MediaTek LinkIt™ Smart 7688 User Manual
1.3.4. Antenna
There are two types of antenna support available on LinkIt Smart 7688
development board:
1) Built in Wi-Fi chip antenna and it is the default antenna.
2) I-PEX connector for external antenna.
To enable the connector, you’ll need to remove the resistor R233 located on
the top left corner of the I-PEX connector, as circled in Figure 2.
Figure 2 Removing the resistor to enable I-PEX connector
1.3.5. USB Host
LinkIt Smart 7688 provides USB host capability which enables it to connect
to different USB devices such as webcams, USB drives, keyboards, joysticks
and more. The connector used is USB Micro-AB type.
1.3.6. USB Power
The USB cable provides 5V steady power source to LinkIt Smart 7688
development boards. When you add peripheral devices such as SD card, USB
drive or other USB devices to the development board, additional power may
be consumed. Please use a proper USB cable to reduce power loss. If your
peripheral device consumes power heavily, it’s better to use an external
power source for it.
The approximate power consumption of various devices used on LinkIt Smart
7688 is described in below.
Scenario
Approximate Power
Consumption
To establish Wi-
Fi connection
Peak
475.3 mA
Average
255.6 mA
Device boot up
Peak
605.4 mA
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