We don't have enough manpower. We want to recruit two full-time embedded software professionals. One has work experience and can get started directly, and the other can be a fresh graduate and be trai...
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In view of the fact that shadow play, a national intangible cultural heritage, is gradually fading from people's sight, a shadow play performance system is designed to arouse people's attention to sha...
I would like to ask you, why does DS1307 show PM 12:00 instead of PM 00:00 after AM 11:59? Similarly, why does it show AM 12:00 instead of AM 00:00 after PM 11:59? Thank you!...
When a differential op amp is used to detect the voltage of a battery in a battery pack, what is the output voltage expression?Virtual short: V+=v-False break:
V2-V-/380K=V--VO/380
V1-V+/380=V+/380?Is...
If I want to set osd 0, I call ioctl(fb0,FBIO_SET_BITMAP_CONFIG_PARAMS,&bitmap_conf_params); I am not sure how to configure the structure struct vpbe_bitmap_config_params represented by the bitmap_con...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[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]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[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]
Since the implementation of the self-weight toll collection system, the highway administration has not only high requirements for the vehicle axle recognition rate, but also requires a long service li...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[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]
This article introduces the advantages of outdoor full-color SMD display and the performance parameters of the dedicated outdoor full-color SMD used, which will help people understand and promote...[Details]