I am a novice in PCB. I am now making a four-layer board. I use the Add Layer and positive copper plating. Here are some questions I have about the indentation of the power layer. I hope experts can a...
Handmade, sometimes the motor does not rotate, sometimes the motor can only rotate forward but not reverse. The PWM signal is fine, it seems that the DIR signal, which is the signal on pin 2 of 2104, ...
Can ADC0809 convert the analog value of pH sensor and temperature sensor into digital value? Can I use microcontroller, ADC0809 and sensor to design a circuit to control pH value and temperature in wa...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:43[/i]I am looking for components for the H-bridge amplifier circuit. Which type of transistor is better? Which type of diode is better?:Sad:...
[align=center][FPGA Learning Series - Example][/align][align=center][u]ModelSim[/u][u]—No Design, No Simulation[/u][/align][align=left][color=#000000]Just when I was about to start writing some exampl...
The simulation effect diagram of ModelSim Altera is as follows: The L3 interface control of Udal341 chip is as shown in Figure 1. When Mode_L3 is low (address mode), each rising edge of Sysclk_L3 send...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
PCB Design
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