I don't use a DCDC drive circuit like this H-bridge. What is the principle of this? Is there any difference between it and the general step-up and step-down?...
How to measure the signal of positive and negative 1.5V using a single power supply system? If the signal changes quickly, it can be measured through coupling. But if it is a signal that changes slowl...
1. First create a project, the project name is meterADC2. Then select hardware and enable ADC. Here the board only supports ADC0. The chip supports multiple channels.3. From the file, you can find the...
The design of eCall in automotive applications is still relatively complex for many engineers. Today, let’s talk about how to design enhanced eCall cars more simply and share some RF design expertise ...
DHT11 is controlled by a single bus. I set it as follows: static PIN_State AM2120PinState; static PIN_Handle AM2120PinHandle; PIN_Config AM2120PinTable[] = { Board_DIO22 | PIN_GPIO_OUTPUT_DIS | PIN_IN...
[font=微软雅黑][size=3][color=#ff0000][b]Live Details: [/b][/color][/size][/font][url=https://www.eeworld.com.cn/huodong/TI_C2000_Piccolo_MCU_webinar_20181121/][font=微软雅黑][size=3]TI C2000 Piccolo Single C...
Reason 1: Insufficient refrigerant: After a split air conditioner has been used for a long time, refrigerant leakage or seepage may occur. When the refrigerant in the refrigeration system is reduce...[Details]
Smart substations (including power plant booster stations and AGC) are an important foundation and support for smart grids. Smart substation equipment has major technical features such as informa...[Details]
This article introduces the main features of NCP1308, internal circuit architecture, typical application circuit diagram, and 50W quad-output set-top box (STB) power supply circuit diagram and bill...[Details]
SolarEdge, a global leader in smart energy, is expanding its commercial solutions with the launch of large-scale three-phase inverters with synergistic technology and multi-input power optimizers t...[Details]
1. EMI sources of switching power supplies
The EMI interference sources of switching power supplies are mainly reflected in power switch tubes, rectifier diodes, high-frequency transf...[Details]
In today's digital world, embedded systems are more complex than ever before. With faster, lower power devices and more powerful circuits, engineers need to consider signal integrity issues. During th...[Details]
According to news on March 5, the Ministry of Industry and Information Technology officially stated that China Telecom Group Co., Ltd. has obtained approval from the International Telecommunications ...[Details]
The latest report from market research firm Strategy Analytics shows that the global smartphone application processor (AP) market size reached US$5.8 billion in the second quarter of 2020, a year-on-...[Details]
Extended instance
Simple I/O port expansion usually uses TTL or CMOS circuit latches, tri-state gates, etc. as expansion chips, and uses P0 port to achieve expansion. It has the characteristics of ...[Details]
It is the end of another year. Looking back at 2019, the new and old forces confronted each other head-on, technological innovation accelerated the reconstruction of the pattern, and the business eco...[Details]
UART (Universal Asynchronous Receiver Transmitter) is one of the widely used serial data transmission protocols, and its application range covers computer peripherals, industrial automation, etc. A...[Details]
1. Experimental task:
Use P1.0-P1.3 of AT89S51 microcontroller to connect four light-emitting diodes L1-L4 to indicate the current count data; use P1.4-P1.7 as the input end of preset data, conn...[Details]
The price of electronic components in automobiles is generally high, and one of the main reasons is that they use automotive-grade electronic components. But what kind of electronic components are ...[Details]
The heat dissipation problem of LED will be the main factor limiting its future success in the market. At present, many researches in the industry are focused on heat sinks, but
the interlayer betwee...[Details]
BOE exclusively supplies Nubia and Red Magic flagship new products with a new generation of under-screen display technology, leading the industry into the era of true full-screen
O...[Details]
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