product features

PRODUCT FEATURES

HLK-7628N module block diagram

Development version instructions

BOARD DESCRIPTION

common problem

COMMON PROBLEM

Question 1: Where can I download the module product information?

After placing an order, you can leave your email address to the customer service, or directly visit the official website of Hlktech Electronics www.hlktech.com and click "Product Center" to download the corresponding product information

Question 2: What is the factory firmware of the module?

Transparent transmission version and OpenWrt version firmware. (OpenWrt only provides hardware information, customers can develop corresponding functions according to their own needs, and can support customers to upgrade to the latest official version.)

Question 3: What is the operating voltage/current and power consumption of the module?

The normal working voltage of the module is 3.3V, the average working current is 120mA, and the power consumption is 400mW-500mW. (Note: The default power supply of the development board is 5V1A)

Question 4: What functional modes are supported by the module?

The module supports AP mode, STA mode, AP+STA mode (bridged).

Question 5: Other instructions

*The default firmware of 7628N can support 300M wireless transmission, which can be opened through the background page (see Figure 1), or customers can purchase OpenWrt to develop by themselves.

*The contents of the documentation include: serial port configuration instructions, bottom board package size drawing and PCB schematic diagram, serial port TCP/UDP search, debugging and testing tools, etc. The OpenWrt version provides the official MT7688A SDK 4.3.3.0 by default, and customers can go to the official to download the corresponding firmware upgrade.