LM9618 is a monochrome CMOS image acquisition chip, which is very suitable for low-light image acquisition, 12-bit A/D conversion circuit and fixed-mode noise elimination circuit; programmable dot clo...
Do you know why the graphics card has a distorted screen? Yes, you must have heard of "motherboard explosion", or you still believe in the "professional analysis" of the merchants? But do you know why...
1. Platform Description MSP430F5438
2. Why use MSPWare?
Due to work reasons, STM32 is used more in school, and STM32 DriverLib is more convenient to use. When I first learned MSP430, I was back to the...
The DC voltage and current are detected by Hall current sensor. The DC voltage is a pulsating DC quantity with a pulsating frequency of 300hz. According to the information, it generally needs to pass ...
Dear experts, I need a program urgently. The hardware is 51 single chip microcomputer + 1602 display screen. The basic direction is: the car is in a fixed distance (100m). Design a program to calculat...
The AT89C52 chip has only 8K bytes of repeatedly erasable read-only program memory (PEROM), so should the program code I write not exceed 8K? If the code exceeds 8K, what should I do if there is no ex...
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[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]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
1. Introduction
The advancement of USB technology makes designers prefer USB interfaces in PC peripheral development. However, existing
virtual instrument
development platforms such...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]