I made a circuit for controlling heating resistors with pwm. I used irf740 as the power tube. It was very hot. My resistor is 88 ohms and about 700 watts. The maximum current is about 3 amperes. What ...
Network services obtained through Sonoff WiFi Smart Socket.https://github.com/jedie/micropython-sonoff-webswitchFunctionWeb interface
Schedule multiple timers
OTA updates (directories are not currentl...
Recently, my lab has added some copper clad boards, laminators, and drilling equipment. Seeing that others are working hard on it, I also learned to make one myself. Welcome everyone's advice and we c...
In the Flying OK6410 development board wince6.0 vs2005, besides making the following changes in smdk6410.bat, what else needs to be changed? set BSP_NOUART0=1 to remove the value of this sentence set ...
Rare internal information on magnetic components Rare internal information on magnetic components, which details the development process and changes of magnetic components, and compares the characteri...
Keywords: [b]Network Video Server[/b] [url=http://www.ykdvr.com/][color=#800080]Network Video Server[/color][/url] mainly realizes the IPization of analog video and audio signals. Its main principle i...
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[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]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]