When the copper wire of PCB falls off (also known as copper shedding), the PCB factory will say it is a problem with the laminate and ask the manufacturer to bear the loss. According to my many years ...
From the introduction, one of the biggest features of this chip is its low power consumption performanceBut today when I was preparing to do a power consumption test, I found that the power supply of ...
First of all, directivity refers to the range of sound that a microphone can record, not how it is used.
Directivity can be divided into omnidirectional, figure-8 and cardioid. To put it simply, omnid...
From: https://hackaday.com/2021/02/08/hands-on-the-risc-v-esp32-c3-will-be-your-new-esp8266/The new ESP32-C3 has a 160M RISC-V core similar to the ESP8266, while including most of the ESP32 peripheral...
1. Introduction With the continuous development of science and technology, especially information technology, the process technology of printed circuit board production has been improved accordingly...
e-Network, a global distributor of electronic components and development services, recently released an e-book titled "AIoT Era - AIoT Development Background, Functions and Future", which aims to pro...[Details]
In the figure, SPKR1 and SPKR2 are both piezoelectric tweeters, used to send and receive ultrasonic waves. The core of the circuit is the 567 phase-locked loop integrated circuit, which completes t...[Details]
On August 13, the reporter learned at the construction site of the Fengning Pumped Storage Power Station project that as of July 31, the two phases of the power station had completed a total invest...[Details]
With the arrival of the new semester, BenQ, a world-class monitor manufacturer, has launched a series of monitors equipped with VA panels. These series include flagship products such as VW, EW, BL ...[Details]
1 Overview of Elevator Frequency Conversion Door Machine
Elevators are an indispensable tool in modern life, and the elevator door machine system is the most frequently used component in the e...[Details]
Abstract: Oscilloscopes can observe waveforms through various view modes, including YT and XY. The YT mode can be further divided into normal, large time base, rolling and other modes. When observi...[Details]
At the beginning of 2020, lighting and electronics expert HELLA and US startup Oculii announced a strategic partnership. The partnership aims to develop high-performance, scalable radar solutions ...[Details]
Here is the temperature added in the previous chapter The above figure is the temperature calculation formula: where Vsense is the ADC value collected from the temperature channel. The stm32f407 ...[Details]
1 Preface
With the development of electronic technology and the continuous expansion of the scale of integrated circuits, various application fields such as industry have increasingly stringent req...[Details]
According to new data shared by Strategy Analytics, Apple shipped an estimated 40.4 million iPhone 12 devices in the first quarter of 2021. The figure shows that Apple has maintained its control over...[Details]
Classification Specifications We can classify it by generation stage, file type and file function 1. Various documents at various stages u-boot spl // The suffix of the file starting with . a.cmd b...[Details]
1 Introduction At present, with the rapid development of MEMS technology and the increasing investment of various countries in the field of microsystems, various forms of micro-energy are emerging. ...[Details]
In addition to black, white and dark red, there was news in October this year that Samsung is developing a green version for the Galaxy S22 series. A few days ago, the well-known domestic digita...[Details]
TSK series portable stress tester is mainly used for circuit board ICT stress test, FCT stress test, assembly stress test, sub-board stress test and drop stress test, etc. It is also commonly used fo...[Details]
In today's world, smart hearable devices have become a popular trend. As the headphone market continues to grow, consumers' demand for AI-ANC and AI-ENC (environmental noise cancellation) noise red...[Details]
PCB Design
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