Source: WeChat public account “Wireless Deep Sea” Wireless Router The wireless access function of a wireless router is what we previously referred to as a Wireless Local Area Network (WLAN). Currently, WLAN only has Wi-Fi as its mainstream technology, so we can consider the two as equivalent. Wi-Fi is technically certified and trademarked by the … Read more
1. Classification of Wireless Networks 01 Classification Based on Range 02 Overview of Network Types ① PAN: Personal Area Network (Range: 5 to 10m) Common wireless connection representatives include: BT (Bluetooth), NFC, Infrared. Wired connections: USB or other connection methods. Usage: Can be used for transferring small files or data, such as photos, music, etc. … Read more
Wi-Fi (pronounced: /ˈwaɪfaɪ/), also known in Chinese as “Mobile Hotspot”, is a trademark of the Wi-Fi Alliance manufacturers as a brand certification for products, and is a wireless local area network technology created based on the IEEE 802.11 standard. The term Wi-Fi is commonly misunderstood to refer to Wireless Fidelity, and even the Wi-Fi Alliance … Read more
Wireless Local Area Network (WLAN) is a product of the combination of computer networks and wireless communication technologies. Specifically, it means that when setting up a local area network, traditional cabling is no longer used; instead, wireless methods such as infrared and radio waves are used as transmission media to connect, providing all the functions … Read more
01 Wireless Typical Networking One: Home Wireless Network This is a typical home wireless network. In this network, NAT is performed twice, once at the wireless router and once at the optical modem exit. The wireless router converts wired signals into wireless Wi-Fi signals. The wireless router can also be set to relay mode, with … Read more
Key Knowledge Points in Chapter One: Understand the characteristics, classifications, developments, and applications of embedded systems, and be familiar with the logical components of embedded systems. Understand the main types of embedded processing chips, be familiar with the development process of SoC, and grasp the significant importance of IP cores. Be familiar with the encoding … Read more