I am a novice and not familiar with microcontrollers. Please help me!Now, I am using HT46r47 to write a charger IC. When charging a lithium battery with a constant current of 250mA, I don’t know how t...
I just received the "Advanced Edition", the packaging is exquisite, the black background is calm and low-key, it is the style of an electronic engineer.Open the catalog and start with the basic analys...
Hello everyone! I want to make a buck converter with a constant input voltage, and control the output voltage by adjusting the PWM duty cycle. The PWM signal comes from the Raspberry Pi. Because the P...
Recruitment: Hardware Engineer Workplace: Shenzhen Job Responsibilities: 1. Design the function of the circuit according to the module function definition of the project product, including completing ...
As the title says!When I was controlling the backlight, I found that the voltage of the backlight varied between 0 and 0.2V. I found that the ADC always responded to 0 when it was below 0.2V.Is there ...
[font=微软雅黑]The idea of "Embedded Amateur" originally came from teacher xiaoxif: "I am particularly interested in embedded development, especially the directional optimization combination of ARM+Linux....
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]