Abstract: Monolithic switching power supply is a new type of switching power supply chip that became popular in the world in the 1990s. This article describes its rapid design method. Keywords: Monoli...
I want my MCU to send a series of commands to control the fingerprint module D801L. I use the serial port debugging assistant on the PC to send commands to the module and the module responds. I connec...
CIRCUIT FUNCTION AND BENEFITS This circuit uses the AD5732R, a dual-channel, 14-bit, serial-input, unipolar/bipolar voltage-output DAC, to provide unipolar and bipolar data conversion. The only extern...
We all know that transistors are single-function devices with amplification functions. So how do you understand the amplification principle of transistors? If you use transistors to design an amplific...
This power supply is a switching power supply . Its output power is 300w. It uses a half-bridge power converter because it has low reverse voltage requirements for the power switch tube, transistors a...
I have a question about the TCPMP source code: blit_i420_i420_mmx etc. are all extern, but I can't find their original definitions. Does anyone know? [code] #define DECLARE_BLITMMX(name) \ extern void...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]
1 Introduction
The coke oven gas recovery system is mainly composed of a gas tank and a pressure reducing station. While realizing the recycling and reuse of coke oven gas, it also plays an imp...[Details]