Analysis of WiFi Modes in IoT: AP, STA, and Hybrid Modes

Analysis of WiFi Modes in IoT: AP, STA, and Hybrid Modes

Source | Embedded Intelligence Bureau Recently, WiFi was used in a project, but at the beginning of the debugging process, several concepts were not particularly clear. Therefore, I have summarized this for easier development in the future. The Internet of Things (IoT) is currently quite popular, and various devices need to be connected to the … Read more

Connecting the ESP8266 WiFi Module to OneNet via MQTT Protocol (New Version)

Connecting the ESP8266 WiFi Module to OneNet via MQTT Protocol (New Version)

01 Command Description AT: Test AT startup. AT+RST: Restart the module. ATE: Enable or disable AT echo function. AT+CWMODE: Query/set Wi-Fi mode (Station/SoftAP/Station+SoftAP). AT+CWJAP: Connect to the specified WiFi network. AT+MQTTUSERCFG: Set MQTT user attributes. AT+MQTTLONGCLIENTID: Set MQTT client ID. AT+MQTTLONGUSERNAME: Set MQTT login username. AT+MQTTLONGPASSWORD: Set MQTT login password. AT+MQTTCONNCFG: Set MQTT connection attributes. … Read more

Connecting WiFi and BLE to MCU? It’s Never Been Easier with ESP32 and RT-Thread

Connecting WiFi and BLE to MCU? It's Never Been Easier with ESP32 and RT-Thread

1. Introduction Recently, a colleague shared a highly valuable technical article titled “Mastering WiFi with SPI: A Deep Dive into the RT-Thread ESP-Hosted Driver | Technical Collection“. Although its technical stack design is refreshing (providing a complete analysis from low-level protocols to high-level drivers), it has received little attention due to the fast-paced content consumption … Read more

Embedded Device Networking: From Basics to Practice!

Embedded Device Networking: From Basics to Practice!

链接:https://blog.csdn.net/Lemon__ing/article/details/147575650?spm=1001.2014.3001.5502 ☞The course is completely sold out!☜ Currently, many embedded devices need to connect to the network through networking to achieve remote control, data transmission, and other functions. Next, we will delve into the relevant knowledge of embedded device networking. 1. Analysis of Popular Networking Solutions There are various networking methods, commonly including: 1. SmartConfig … Read more

2.4GHz WiFi + BLE 5.2 Dual-Mode Module HLK-B35S

2.4GHz WiFi + BLE 5.2 Dual-Mode Module HLK-B35S

HLK-B35S is a cost-effective wireless communication module launched by Hailin Technology, integrating BLE 5.2 Bluetooth and Wi-Fi 802.11b/g/n functionalities, focusing on ultra-low power consumption and compact design, suitable for IoT terminal devices, smart homes, wearable devices, and other scenarios sensitive to power consumption and size. 1 Product Introduction HLK-B35S The core competitiveness of HLK-B35S lies … Read more

ESP32 MicroPython MQTT Development and Testing

ESP32 MicroPython MQTT Development and Testing

1. Connecting ESP32 to the Network Before performing MQTT communication, the ESP32 needs to connect to a WiFi network. Below is the code to connect to WiFi: import network import time def connect_wifi(ssid, password): # Create WiFi client interface wlan = network.WLAN(network.STA_IF) wlan.active(True) # Check if already connected if not wlan.isconnected(): print('Connecting to network…') wlan.connect(ssid, … Read more

Technical Insights: Use Ruijie to Enable WiFi Even When Your Computer is Shut Down!

Technical Insights: Use Ruijie to Enable WiFi Even When Your Computer is Shut Down!

Are you still troubled by poor signals from CMCC or China Unicom? Are you worried about running out of data at the end of the month? Now, you only need a Phicomm K1 router and a Ruijie account password to provide 24-hour WiFi coverage for your entire dormitory! Download the required files: -TFTP32/TFTP64 (depending on … Read more

Tips for Finding the Strongest WiFi Signal When Tethering

Tips for Finding the Strongest WiFi Signal When Tethering

The strength of the signal does not necessarily equate to fast internet speed, but to achieve fast speeds, a strong signal is essential. Therefore, when trying to use WiFi at Starbucks, cafes, McDonald’s, shopping malls, sports venues, hospitals, buses, or subways for a day of work (as the author only thinks about work), finding a … Read more

Disassembly Report: Wireless Cat Spirit Portable WiFi Power Bank

Disassembly Report: Wireless Cat Spirit Portable WiFi Power Bank

—– Charging Head Network Disassembly Report No. 2224 —– Introduction Portable WiFi has emerged as a popular networking device in recent years, converting mobile networks into WiFi output through an integrated wireless connection module, allowing smartphones and laptops to connect. The built-in large-capacity battery provides extended battery life, preventing smartphones from running out of power … Read more