Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
Program function: Configure GPIO12 as interrupt input. When the button is pressed, a falling edge interrupt is triggered, and the interrupt service subroutine flips the LED.
Interrupt vector tableMain...
The Political Bureau of the CPC Central Committee held a meeting on May 31, which pointed out that further optimizing the birth policy and implementing the policy of allowing a couple to have three ch...
For a switching power supply engineer, PCB drawing is actually a crucial part that affects a product. If you cannot do a good layout, the entire power supply may not work properly, and the smallest pr...
NUCLEO_G431RB ReviewPlatform constructionI tried MDK514 before and found the same problem as http://bbs.21ic.com/icview-2861476-1-1.html?ordertype=1, so I downloaded the latest version of MDK528A dire...
[align=left][color=rgb(25, 25, 25)][font="]In the past two years, major mobile phone manufacturers have been enthusiastic about wireless charging. As of December last year, there were 135 mobile phone...
Fraunhofer IIS, the inventor of mp3 technology and the main contributor to xHE-AAC and MPEG-H audio standards, recently announced that NXP Semiconductors will adopt its MPEG audio SDK, which covers ...[Details]
Samsung Galaxy M53 is gearing up to launch soon as the successor to Galaxy M52. Samsung Galaxy M53 renders have surfaced online. It shows that the design of the phone will offer a punch-hole cutout, ...[Details]
1. Extended issues Before answering this question, let me ask a question: Is it necessary to use an operating system for STM8? There is actually no standard answer to this question. I have develo...[Details]
While we were still talking about "Although the national automobile market has seen a decline in sales, the new energy vehicle market has seen a high growth against the trend, and new energy vehicles...[Details]
"Quality" and "Communication" constitute "high-quality communication", which is also the origin of the famous name Qualcomm. As we all know, Qualcomm's main business can be divided into two parts: QC...[Details]
As NFC becomes more and more popular, people often ask what are the advantages and disadvantages of QR code and NFC. QR code has been widely popularized with its low price and low threshold, while NF...[Details]
Since the LCR tester has different models, its connection method will also be different. Here we sort out the characteristics of the five connection methods. Generally speaking, the more complicated ...[Details]
Fire, needle puncture, and corrosion soaking are nothing. The solid-state battery developed by Chery Automobile can still charge and discharge normally even if a corner is cut off. At the 2024 Cher...[Details]
This article combines circuit diagrams to analyze how to use red and green LEDs to create any color of light between red and green, including yellow, orange, amber, etc. Circuit in Figure 1: A ...[Details]
1 Introduction The role and scope of applications of motion control systems in the national economy and national defense are growing. Motion control technology is continuing to penetrate into various...[Details]
Recently, the National Intellectual Property Administration (CNIPA) exposed a design patent submitted by vivo, which shows a smartphone that looks very similar to the Apple iPod Classic. The il...[Details]
Question 1: What types of oils are mainly found in water? Answer: The oil in water mainly includes petroleum, animals, plants and other organic matter. Question 2: Why do we need to measure the oil...[Details]
On October 1, TSMC, a wafer foundry, announced that it had formally filed multiple lawsuits against GlobalFoundries in the United States, Germany, and Singapore on September 30, accusing it of infrin...[Details]
U.S. auto safety regulators said on November 19 that they are launching a formal regulatory process that could eventually lead to the adoption of new safety standards for self-driving cars. The U.S...[Details]
A small current generating circuit that can obtain UA-level current
Function of the circuit
A constant current source is a circuit that can provide a constant current when the load resistance ...[Details]
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