The printing method known as digital printing has come a long way since it was invented in Germany in the 18th century. Today, digital printing can print text and images on a variety of surfaces, incl...
I did a small experiment with PIC16F676 and wrote a small program. It runs fine on the board, but it fails to simulate on Proteus7.7. There is no response at all. I don't know why?Program function: Co...
I made a power supply with MC34063A, input 12v, output 5v. Normal working current 200MA, maximum current 700MA. The inductor used is 220uH inductor. The rated current of the inductor is 2A. I also pai...
I am working on an I/O card driver for vxWorks. Since it is my first time to work on a driver, I wrote a test program to test whether the card can be detected and work properly. The program's function...
[size=4]The reasons for the failure of chip inductors are mainly manifested in five aspects, namely, failure caused by solder resistance, solderability, poor soldering, open circuit on the machine, ma...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
With the rapid development of the IT industry, the demand for small DC cooling fans with PWM control (hereinafter referred to as fans) used in electronic products is increasing. This type of DC fan...[Details]
1 Introduction
Max+PlusⅡ is an integrated FPGA/CPLD development environment provided by Altera. It can independently compile simple VHDL programs. However
,
the
automatic elevator contro...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
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