I have been adjusting the program for a few days but there is no progress. I have tried two methods but they are not successful. The LCD displays garbled characters. I want to find an absolutely corre...
Abstract: This paper introduces the structure of PCI/104 bus embedded computer based on ARM processor , and studies the technology of ARM to realize PIC/104 bus embedded computer. Finally, it describe...
I used a 16-bit MCU from Lingyang, which has very few resources, PORTA PORTB, 1 SPI interface, AD/DA module, no serial port, (there are some other) ROM 32K-Word RAM 2K-Word, no external nand or anythi...
A new 200kHz-200W environmentally friendly switching power supply Nowadays, there are more or less some troubles in the environmental performance evaluation of high-frequency practical switching power...
When debugging a program, you cannot use the command to insert data: db.execDML(L"INSERT INTO faultcode values('1','1','1')"); There is no error when compiling, but when running under the simulator, a...
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[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]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[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]
1. Why do we need to do electromagnetic compatibility design for products?
Answer: To meet product functional requirements, reduce debugging time
,
make products meet the requirements o...[Details]
1 Introduction
When studying electronic courses such as "Electronic Circuits" and "Signal Processing", college students only understand the real signal characteristics in theory. They cannot r...[Details]
After removal, the robot uses an NI 1722 smart camera to randomly inspect for surface defects such as cracks, dents, scratches, and machining marks on the surface.
challenge:
...[Details]