Steps to learn microcontrollers
Learning to use a microcontroller means understanding the microcontroller hardware structure and the application of internal resources, and learning how to initialize v...
Modern FPGAs may have many loads that complicate the design of power supplies. In addition to voltage and current requirements, each load has detailed requirements for ripple voltage, noise filtering,...
I am engaged in embedded development, familiar with the development of 51, AVR, STM32, PIC, MSP430 microcontrollers. Now the project on hand is almost finished, looking for a project or part-time work...
POE, or Power Over Ethernet, refers to a solution that uses Ethernet cables to supply power without the need for an additional power cord. This solution is widely used in security cameras, network vid...
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]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[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]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
Tags: Intelligent Video Video Surveillance HD Video
Currently, intelligent video analysis technology is gaining more and more attention in the security industry, and many projects have...[Details]
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]
LED lamp beads are voltage-sensitive devices and capacitive loads. In actual work, the current accuracy is required to be high, which is one of the main issues affecting the luminous efficiency and...[Details]
The growth of Bluetooth over the past five years has been phenomenal. However, in the minds of most consumers, Bluetooth is still a wireless communication medium that connects mobile phones and hea...[Details]
Preface
As information technology equipment that complies with the safety standard IEC60950-1 (2001 or 2005 edition), the ignition hazard and flame spread should be reduced by using appropriat...[Details]
O Introduction
Serial communication between microcontroller and PC is also called serial communication between lower and upper computers. This communication method can solve the harm caused by ...[Details]
Current transformer sampling current indicator light
As shown in the circuit diagram 4-40 (d) and (e), here, the current transformer T is used to convert the primary current into the secondar...[Details]
For some places with long lighting time and many lighting equipment (such as school classrooms, shopping malls, etc.), the phenomenon of waste in the use of lighting systems is common. Due to the lack...[Details]
Mobile and portable
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