Chapter 1 MCS51 MCU and MCU Program C51 1.1 Basic knowledge of MCU 1 1.1.1 Basic composition of MCS51 MCU 1 1.1.2 Basic features of 80C51 2 1.1.3 Pin definition and function of 80C51 3 1.1.4 Internal ...
In the grand ceremony of the opening ceremony of the Beijing Olympic Games, the colorful and dreamy lights were undoubtedly the soul throughout. Especially in the final ignition ceremony, Li Ning "fle...
I am using the Red Bull development board. Now I use TIM3 CH3 to capture the rising edge of the external pulse and then enter the TIM3 interrupt. Now I want to use the rising edge of this external pul...
[color=#3e3e3e][font=Tahoma, Arial, sans-serif][size=14px] The principle of wireless charging for mobile phones in a general sense is the process of converting electrical energy into magnetic field, t...
Compile OK , download with J Link, DOWNLOADING FILES passed, but PROGRAMING FLASH will never come out, IAR dies here. Use ST Link for the same situation. J Link occasionally reports an error, saying t...
My computer used to be XP system, and it kept restarting automatically. I reinstalled the system, but it got stuck halfway through. Experts, please help me quickly....
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[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]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]