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

Resolving Smart Home Network Conflicts: Zigbee and WiFi Protocol Networking Techniques

Resolving Smart Home Network Conflicts: Zigbee and WiFi Protocol Networking Techniques

The essence of smart home network conflicts lies in the competition for resources in the 2.4GHz frequency band. Establishing a system of “complementary protocol characteristics + three-dimensional network planning” can achieve stable operation. When Zigbee (2.4GHz) and WiFi (2.4/5GHz) interfere at the same frequency, the data transmission error rate increases by 40%, necessitating a comprehensive … Read more

Implementation of Dual WiFi Functionality on RK3399 with Android 10

Implementation of Dual WiFi Functionality on RK3399 with Android 10

Starting from Android 9, the WiFi concurrency feature has been supported, with the following official description: Android 9 introduces a feature that allows devices to operate in both STA and AP modes simultaneously. For devices that support Dual Band Simultaneous (DBS), this feature enables new functionalities, such as not interrupting the STA WLAN when the … Read more

Zigbee/Z-Wave/WiFi Tremble Together! Three Major Advantages of the Matter Protocol Disrupt Industry Standards

Zigbee/Z-Wave/WiFi Tremble Together! Three Major Advantages of the Matter Protocol Disrupt Industry Standards

The Matter protocol is the ultimate next-generation smart home protocol. But how does it compare to other protocols like Zigbee, Z-Wave, and WiFi? What advantages and disadvantages does it bring? Let’s explore in this article: Smart home protocols refer to the guidelines and regulations for transmitting information between internet-connected appliances and devices. Although some protocols … Read more