User's Manual
Table Of Contents
- 1.Product Profile
- 2.Functional Description
- 2.1 WiFi Indicator Flashing Description
- 2.2 Wifi Connection Status Indicator Pin
- 2.3 Socket Connection Status Indicator Pin
- 2.4 One-click Distribution Mode
- 2.5 Web Distribution Function
- 2.6 Serial to WIFI STA
- 2.7 Serial to WIFI AP
- 2.8 Serial Port Working State Conversion
- 2.9 Serial Port-network Data Conversion
- 2.10 Application Areas
- 3. AT Instructions
- 3.1 Query Current Module Version: at+ver
- 3.2 Local Port Operation: at+CLport
- 3.3 Set up Serial Port: at+uart
- 3.4 Set up DHCP: at+dhcpc
- 3.5 Set up Wifi Connection Mode: at+netmode
- 3.6 Set up TCP Connection Mode: at+mode
- 3.7 Set up Remote IP When Modules Work as Client
- 3.8 Set up Remote Port When Module Act as Client:
- 3.9 Set Parameter Submission: at+net_commit
- 3.10 System Restart: at+reconn
- 3.11 Set the Module's ssid and Password: at+wifi_
- 3.12 Set up Socket Connection Protocol: at+remote
- 3.13 Set Network Connection Parameters: at+net_ip
- 3.14 Query Network Connection Status in STA Mode:
- 3.15 Query Module MAC Address: at+Get_MAC
- 3.16 Set the Frame Length: at + uartpacklen
- 3.17 Set the Frame Time:at+uartpacktimeout
- 3.18 Set Bluetooth Name: at+ble_name
- 3.19 Configuration Software Description
- 4.Upgrade Introduction
- 8. Appendix A Document Revision
1
1. Product Profile
1.1 Overview
HLK-B32 is a new low-cost embedded UART-WIFI module (serial-Wireless network)
developed by Shenzhen Hi-Link co., Ltd.
This product is an embedded module based on the serial interface in line with the network
standard , built-in TCP/IP protocol stack, can realize the user serial port-wireless network (WIFI)
conversion.
Through the HLK-B32 module, the traditional serial device can transmit its own data
through the Internet network without changing any configuration, which provides a complete and
fast solution for the user's serial port device to transmit the data through the network.
1.2 Product Characteristics
Compatible 2.4G 802.11 b/g/n; 5G 802.11 a
Dedicated high-performance 32-bit RISC CPU
Support for 20 MHz and 40MHz bandwidth in the 2.4 GHz band
Single frequency 1T1R mode, data rate up to 150Mbps
Support for 2.4g/ 5 GHz band, dual frequency 1T1R
Support two working modes of STA/AP
Built-in TCP/IP protocol stack
Support various AT instructions
Support one-click configuration of intelligent networking features
Support wireless upgrade (OTA)
5V single power supply, low power consumption
More GPIO pins
Fast transmission speed of serial port
1.3 Product Packaging
Figure 1. HLK-B32encapsulation size