MAX7219 Single-Chip and Two-Chip Cascade Drivers
To explain:This word format was downloaded from Baidu. In the original version, the author only wrote a program to drive a MAX7219 .
The first time I u...
I am working in Harbin as a MCU engineer. I am at home and do not have a company. Is there anyone willing to cooperate with me?My phone number: 13766867932 QQ: 909987836...
I would like to ask what is the difference between 1 and 2 in the following formula, and how the three terms on the right side of the formula are derived? I don’t understand, so please explain it to m...
My laboratory is a general department in the field of national defense. In the past, it rarely involved electronics. In order to expand the application direction, I am preparing to invest in some comm...
At present, the high-definition craze has been set off, and video surveillance has begun to take full high-definition as a new goal. People have always been pursuing clear images, so the current high-...
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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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]
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]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
Some people believe that hybrid vehicles are just a transitional product, and the ultimate goal of developing new energy vehicles is electric vehicles. Therefore, China should skip hybrid vehicles ...[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]
Today, as information becomes an increasingly important resource, strong market demand and the development of microelectronics technology have led to the rapid development of portable electronic sy...[Details]
While we enjoy the great benefits of solid-state technology, the microelectronics at its core rely on clean electricity. Faster speeds and lower voltages mean higher demands on power quality. Power...[Details]
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