Hello everyone, I am a sophomore in analog electronics. I am preparing for the fourth edition of the book "Fundamentals of Analog Electronics Technology" edited by Hua Chengying . I am confused about ...
When using a single-chip microcomputer, you often encounter situations where a short delay is required. The required delay time is very short, usually tens to hundreds of microseconds (us). Sometimes ...
First of all, I would like to thank EEWORLD and GigaDevice for providing the development board and the opportunity to participate in the competition!The following is a sharing of my simple work. Pleas...
Tasks and requirements
Design and manufacture an electromagnetically controlled motion device, which consists of an electromagnetic control device, a pendulum rod and other parts.
(1) Press the start ...
This lecture will introduce TI SITARA's latest AM64XX platform. This platform has A53 and R5F cores, supports functional safety and secure boot, supports multiple network ports and multiple industrial...
Abstract: A data acquisition and processing system with a sampling frequency of 33.3MHz. The system is mainly composed of ultra-high-speed analog/digital converter AD9224 and advanced floating-p...[Details]
Apple said the "Shot on iPhone" macro photography competition proved that when users hold Apple products in their hands, "the true potential of the products is fully revealed." Recently, Apple anno...[Details]
For those who want to get an iPhone 13, the good price before 618 has arrived early. Two days ago, digital blogger Kang broke the news that Apple would adjust the delivery price by about $80 (about 5...[Details]
Recently, Microsoft released an official statement, saying that it will abandon support for Microsoft Cortana on iOS and Android, and the last support time will end on January 31, 2020. In addition, ...[Details]
The Asian Development Bank (ADB) and the Maldives Ministry of Environment have launched a program to roll out solar-diesel hybrids across 48 islands to reduce reliance on expensive and ...[Details]
Overview
The FCC in the United States and ETSI in Europe have set limits on the transmit power levels of unlicensed transmitters used in remote keyless entry (RKE), home automation, home secur...[Details]
From September 7 to 10, the 2019 World Internet of Things Expo was held at the Taihu International Convention and Exhibition Center in Wuxi, Jiangsu. This expo invited more than 10,000 representati...[Details]
The AC ammeter mainly uses the measuring mechanism of electromagnetic system ammeter, electric system ammeter and rectifier type ammeter. The range of the electromagnetic system measuring mechanism i...[Details]
The process for calculating the junction temperature of most semiconductor components is well known. Typically, the case or pin temperature is known. The power dissipated by the die is measured and m...[Details]
1. Hardware Solution This circuit is controlled by AT89C52 single-chip microcomputer, which has thread function, low power consumption, and can work at 3V ultra-low voltage; the clock circuit is prov...[Details]
Because MOSFETs are unipolar devices, parasitic capacitance is the only limiting factor for switching transients. The charge balance principle reduces the on-resistance per specific area, and the chi...[Details]
This note contains two aspects:
1. Just control the LED on and off, no value is returned
2. Control the LED on and off and return the value
I watched several lectures, all of which were about ser...[Details]
Recently, Beijing Zhongke Geliwei Technology Co., Ltd. (hereinafter referred to as "Geliwei") announced that it has completed a round A financing of tens of millions of yuan, led by Tongchuang Weiye....[Details]
SD card has two optional communication protocols: SD mode and SPI mode. In order to simplify the circuit and program, SPI mode is selected. ZC09's SD is connected to STM32 through SPI1. Because STM32...[Details]
Figure Roche converter three-stage circuit
By repeatedly using this part of the circuit (L1-C2-D2) in the complex lifting circuit, a multi-lift circuit can be formed. The three-lift circuit is s...[Details]