[i=s]This post was last edited by wangerxian on 2021-11-18 15:24[/i]What is the principle of wireless charging?First, let's define wireless charging: Wireless charging refers to a charging method that...
What are these two devices I saw on a sample board? Especially the 22mΩF at the bottom, it looks very unusual. Can anyone tell me what I am doing? Could it be a current measurement or something like t...
ARM supports 16 coprocessors for various coprocessor operations. The most commonly used coprocessors are system coprocessors for controlling on-chip functions, such as controlling the cache memory man...
This is a question from a netizen:What? I bought it! I was brainwashed after watching Li Jiaqi.Do you know? What happened to me who didn't want to use the wires? My God, my wallet is so flat that I ca...
Host platform: UBUNTU14.04[/color][/font] Hardware platform: IMX6-EK200 (the method for other platforms is the same)[/color][/font] Compiler: gcc-linaro-arm-linux-gnueabihf-4.9-2014.09_linux.tar.xz[/c...
When I use MSP430 to program the GPRS module with AT commands, the GPRS module will return a return value such as "OK". So, I want to detect "ok" in the programming before transmitting the next comman...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[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]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[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]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Power technology
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