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Abstract: Based on the LED driven micro-power DC-DC converter, a hysteresis comparator circuit with a bandgap structure is designed to meet the requirements of low voltage and high stability. Its m...[Details]
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Buffered or Unbuffered
When considering the effects of input impedance, designers can generally choose between two types of high speed ADCs: buffered and unbuffered (i.e., using switched capac...[Details]
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There have been many discussions online about the phenomenon that the STM32 I2C interface is deadlocked in the BUSY state and cannot be recovered. Looking at the older posts from a few years ago, som...[Details]
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Figure 1 EE architecture of a luxury car This is the electronic and electrical architecture of a mid-size luxury car, as shown in Figure 1. It is a parallel network composed of different bandwidths ...[Details]
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1. The difference between timer and delay You may think that we can still use the delay function to achieve the experimental phenomenon of the code in the previous lecture, but the concepts of timer...[Details]
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Passive PFC Constant Current LED Driver Circuit: 18W, 10V, 1.8A Output, 185–265 VAC Input, Passive PFC Flyback Power Supply ...[Details]
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When testing, studying or adjusting electronic components, electronic circuits and equipment, in order to determine some electrical parameters of the circuit, such as measuring frequency response, ...[Details]
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In the HCS12 series of MCUs, encryption can be divided into two methods: full encryption and encryption using passwords. These two encryption methods are used in different occasions according to use...[Details]
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1. Be familiar with the rules of drawing automobile circuits
In the car's full circuit diagram, the electrical appliances are arranged from left to right (the power supply is on the left, the ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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The AC current clamp can be considered as a derivative application of the current transformer. The working principle of the current transformer is to wind two coils on both sides of an iron core (as ...[Details]
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Samsung Electronics plans to expand its mature process foundry capacity starting this year to meet growing demand for CMOS image sensor (CIS) capacity due to long-term supply shortages, secure new cu...[Details]
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The circuit is very simple so I won't draw a picture. The segment of the digital tube is port p0, and the two digital tube positions are p2.5 and p2.6 respectively.
#include reg52.h
sbit cs1=P2^5;
s...[Details]
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At noon today (May 8), Lei Jun shared his feelings on Weibo. He said that his favorite Xiaomi phone is the Xiaomi MIX2 Unibody Ceramic Edition because it feels like jade. Those who are famili...[Details]
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Crazy summer study: Introduction to assembly learning notes (Part 3) - the first program
Reference: "Assembly Language" by Wang Shuang, Chapter 4
1. The process from writing a source progr...[Details]