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This chapter mainly explains: Basic setup of WAN interface for PPPoE dial-up internet using OpenWRT firmware.
1. What is OpenWRT firmware
Here is a brief introduction to the origin of OpenWRT. Back in the day, Linksys (which has been acquired by Cisco) released a wireless router product named: WRT54G/GS, a classic product. However, the software core of
This article mainly introduces how to install the Home Assistant smart home system on the Orange Pi Zero3 with the CasaOS light NAS system and easily achieve remote management of smart devices at home using the Cpolar internal network penetration tool, without the need for a public IP or complicated router settings.
Home Assistant is a smart home platform that can control devices such as Apple, Xiaomi, and MQTT. It can integrate smart home devices at home, allowing devices from different
Since 2014, we have been designing to provide the powerful features of Raspberry Pi for industrial and embedded applications, and we are amazed and delighted to see the diverse ways our customers are using the Raspberry Pi Compute Module. We are excited to announce that we have expanded the Compute Module 4S product: these industrial boards now come with additional SDRAM options, allowing you to choose from 2GB, 4GB, and 8GB versions in addition to the original 1GB version.
2025-01-14
The embedded Bluetooth serial communication module allows us to break free from the constraints of cables and achieve wireless serial communication within a limited range, with two working modes: command response mode and automatic connection mode. In automatic connection mode, the module can be divided into three roles: Master, Slave, and Loopback. When the module is in automatic connection mode, it will automatically connect according to the pre-set data transmission method; when the module is
1
Embedded Operating System
Embedded systems have the following characteristics:
Require small code size and can operate within limited storage space.
Application-oriented, can be cut and ported.
Used in specific fields, can support multitasking.
High reliability, timely response, can operate independently without human intervention.
High real-time performance, and requires solid-state storage.
Requires determinism and predictability before the system is put into operation.
Generally tested in multiple-choice questions.
2
Built-In Test
BIT (Built-In Test) can complete fault detection and localization. It includes the following four types:
Power-On BIT: Self-test of all hardware resources when
Due to being sick for a week recently, this update is still in [Beta version]. Considering that the recent 618 promotion is coming up, we will update another version next week, aiming to include more recommended models in the list.
We have marked different product positions with different colors, roughly divided into three categories:Gaming Laptops、All-Purpose Laptops、Ultrabooks。
Recently, my Raspberry Pi's microSD card stopped working. It had been running as a server for nearly two years, which provided me with a good opportunity to start exploring and
Hot Article Guide| Click the title to read
How can programmers break through and improve themselves in the winter of the Internet?
If you suddenly get laid off, what is your Plan B?
The difference between employees who leave within 3 months and those who leave after about 2 years is beyond your imagination!
Author: Cat Eating Fish
Link: https://juejin.im/post/5d4bdb23e51d453c2577b747
