Product package size

PRODUCT PACKAGE SIZE

Function Description

FUNCTION DESCRIPTION

Product HLK-RM58M supports serial port to WiFi STA, serial port to WiFi AP mode

The serial port/network data conversion of the product is divided into 4 modes: TCP Server, TCP Clinet, UDP Server, UDP Client.

TCP Server

TCP Client

UDP Server

UDP Client

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: How does the module perform one-key network configuration?

The first step is to set the module network distribution method

When one-key network configuration, the module needs to be set to one-key network configuration mode. You can use the serial port configuration tool to set the module to one-key network configuration mode.

Step 2. Start one-click network configuration

Install the Android APP HLK-TCPdemo, select the configuration network, select elian mode, and then select V5, enter the password, and click to start the configuration to start the configuration. When the network configuration connection is successful, the module will change from double flash to fast flash, indicating successful networking .

Question 3: Does the module support WEB distribution network?

The module supports web configuration. When the module is in AP mode, enter 192.168.16.254 on the browser, then enter the account and password (admin/admin) to enter the web setting interface.

Question 4: How does the module enter the AT mode?

ES0 pin, pull down for 1 second, serial port 0 enters AT command mode; pull it down for ≥8 seconds, restore factory default parameters.

Question 5: What does the WiFi indicator mean?

1. The WiFi indicator flashes periodically twice: it means the module is in one-key network configuration mode;
2. The WiFi indicator flashes periodically three times: it means the module is in STA mode and has not been connected to the target AP hotspot;
3. The WiFi indicator flashes periodically four times: it means that the module is in 2.4g AP mode, but it does not indicate whether there is a STA Client connected;
4. The WiFi indicator flashes five times periodically: it means the module is at 5.8g AP mode, but it does not indicate whether there is a STA Client device connected;
5. WiFi indicator flashes quickly: indicates that the module is in STA mode and connected to a WiFi hotspot. When there is data transmission, the module LED will be Flashes quickly.