[i=s]This post was last edited by Digital Leaf on 2021-11-21 12:00[/i]In the previous article, SGTools was used to generate a simple interface, so it is easy to use SGTools, and you don’t even need to...
Sharing of household heating and cooling inverter air conditioner application solutions based on MM32SPIN series MCU : https://training.eeworld.com.cn/course/5661Introduction to variable frequency air...
P359 of the fourth edition of Tong Shibai's Model Electronics says: The ratio of the output voltage to the input voltage when the frequency is 0 is the passband gain, but how come (7.3.35) and (7.3.36...
Abstract: Relay protection is of great significance to the safe and reliable operation of power equipment and substations. Therefore, it is important to pay attention to the verification of relay devi...
[i=s] This post was last edited by Tongxiaokaocode on 2022-3-31 08:51[/i]引脚书是一本为设计师和工程师制作的免费数字书，作为快速参考，以便在你的电子项目中记住不同的引脚功能。该书涵盖了130种常用的元件（查看列表），如连接器、单板计算机、开发板、存储卡、微控制器芯片等。如果你需要更多的技术信息，每个页面的顶部都有一个链接（如p...
Improving PA efficiency to increase mobile phone talk timeExtracted from www.52RD.com July 3, 2006 Mathew JacobA mobile handset isn’t just a phone anymore, it’s an MP3 player, a fashion statement, a G...
The recognition of the keyboard of the matrix structure is more complicated. The column line is connected to the positive power supply through a resistor, and the I/O port of the microcontroller co...[Details]
In this testing article, we will cover checking. In this section, you will ensure that the design meets the efficiency standards and other required specifications such as line and load, ripple, trans...[Details]
According to the current scale of household photovoltaic power stations, if a 10GW project is connected to the energy Internet of Things platform, it will involve 1 million households. We can see t...[Details]
Common power supply solutions for engineering applications In the power supply scheme of actual engineering applications, AC-DC centralized power supply plus DC-DC is often used to power each dis...[Details]
As of today, white LED still has the problem of poor uniformity of light emission and short life of sealing materials, which makes it unable to play the expected application advantages of white LED...[Details]
The circuit of Figure 1 produces an accurate variable-frequency sine wave for use as a general-purpose reference signal. It includes an 8th-order elliptic, switched-capacitor lowpass filter (IC3) that...[Details]
OmniVision Launches Industry’s First Triple-Stacked BSI Global Shutter Image Sensor for Eye and Face Tracking with Superior Image Quality and Ultra-Low Power in a Small Form Factor
...[Details]
This application note provides an overview of the R5500's HIF technology and how to use it with the HIF output port. Overview ThinkRF R5500 Real-Time Spectrum Analyzer (RTSA) is equipped with H...[Details]
Introduction
When the motor is started directly, the current generated is very large, generally 4 to 7 times the rated current, and up to 15 times, which seriously affects the starting performa...[Details]
1 Design Task
Design and manufacture digital controlled DC current source. Input AC 200~240V, 50Hz; output DC voltage ≤10V.
Requirements: Output current range: 200mA ~ 2000mA; The output ...[Details]
Regarding the design of micro-power isolated power supply for two-wire transmitters, let's first look at what a transmitter is. Sensors are a general term for devices or devices that can be measured ...[Details]
Apple announced new features for its AirPods earphones at WWDC: automatic switching between devices, and a new "spatial audio" feature for its AirPods Pro earphones. Both regular AirPods and AirPod...[Details]
The startup code is a must for almost every arm program. When I first looked at other people's startup code, I felt confused, so lazy thoughts came to my mind: why should I write it when others have ...[Details]
In order to further accelerate the construction of new energy vehicle charging infrastructure, promote industrial development, and improve the efficiency of the use of fiscal subsidies for new ener...[Details]
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315 wireless module PT2262 1.5M 270KHz can measure the pulse width
start time 5000us
high level time 490us low level
time 160us
HH=1
L...[Details]
Test/Measurement
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