The voltage provided by the constant current source is 7.5-10V, and the operating voltage of the laser tube is above 6.8V. However, after using this constant current source circuit, no matter how high...
[size=4][color=#0000ff][b]The board is soldered, as shown in the picture above: [/b][/color][/size][size=4]The most unfortunate thing is that I soldered the stm32 upside down, upside down, upside down...
I recently designed a 4250, but the measurement results were not very satisfactory. I connected the internal ref and found that there was a lot of noise. I would like to ask, has anyone used it before...
Dear brothers, I am a MCU enthusiast. I have not even graduated from junior high school, and I don't know C language. I know MCU hardware and can read Assembly 51. How can I learn C language MCU from ...
I really don't understand the principle of the design in the red circle on this evaluation board. I would like to ask an expert to analyze it. Similarly, there is a similar design in another picture. ...
[b][size=10.5pt][font=Times New Roman] [/font][/size][/b][color=blue][font=Arial][size=10.5pt](2.08~2.21[/size][/font][/color][color=blue][ During the Spring Festival holiday, for the sake of safety, ...
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]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[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]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[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]
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]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
Analog electronics
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