01 In embedded development, current backflow is an easily overlooked issue that can lead to serious consequences. This chapter will delve into the causes, impacts, and how to identify and prevent this issue in practical engineering. The issue of current backflow rarely occurs during the 5V single-chip microcontroller era, mainly because the IO withstand voltage … Read more
1. What is Hardware? Baidu Baike describes “Hardware (English name Hardware) is the abbreviation of computer hardware (terms used in mainland China and Hong Kong, while Taiwan refers to it as hardware), which refers to various physical devices composed of electronic, mechanical, and optoelectronic components in a computer system. These physical devices form an organic … Read more
Part of Electronic Book Screenshots 【Complete Set of Hardware Learning Materials Collection】
Introduction In circuit design, neglecting ESD protection and isolation design to reduce costs can lead to serious consequences. This article will explore circuit issues caused by improper component addition and provide practical solutions to ensure the reliability and stability of circuit design. In circuit design, some neglect ESD protection and isolation design to cut costs, … Read more
Introduction In circuit design, level matching is a fundamental requirement, yet it is often overlooked, which can lead to device failures and communication anomalies. In this article, we will reveal how to avoid device failures caused by level mismatches and provide practical design advice to ensure your circuit designs are both efficient and stable. Level … Read more
Click the aboveblue text, send it to your friends circle, and share more information together😉 This power supply is for an assembled computer. When measuring the output purple and green wires, there is no voltage to ground. It is determined that the auxiliary power supply is faulty. Initially, it was thought that the auxiliary power … Read more
Many desktop computers do not have wireless network cards and can only connect via Ethernet. To use WiFi, you can simply plug in a USB wireless network card, which is convenient: The USB wireless network card is very compact, leading to curiosity about how the circuit board fits inside: Next, we will disassemble a model … Read more
▼Follow WeChat Official Account: Hardware Insights▼ Part 01 Introduction A foreign expert has created a heating temperature control board using the ESP32-C3, complete with schematic and PCB. Those interested can learn from it. The schematic includes the minimum system circuit, USB Type-C interface circuit, 3.3V voltage conversion circuit, heating control circuit, temperature sensing circuit, rotary … Read more
The interface is the most common component in embedded devices, serving as a channel for data transmission while providing isolation and protection for the circuit. Today, let’s explore a common solution for interface protection design. A gas discharge tube is a short-circuit protection device encapsulated in ceramic or glass, filled with low-pressure inert gases (such … Read more
This course series uses RK3588 chip as the core hardware design, based on the latest version of Cadence Allegro Allegro X software, to perform a complete end-to-end project design and simulation of the system’s on-chip resources, interface circuit design, and various commonly used peripheral resources for chip expansion. It integrates the latest software features and … Read more