Using CircuitPython to control the WS2812 screen, the animation of the Christmas tree on a snowy night is very beautiful. It uses the FeatherWing display and library, and programming is very simple.Fr...
In recent years, in order to facilitate everyone's purchase of electronic components, major manufacturers have opened official flagship stores on Tmall, JD.com, etc.
It not only makes it convenient fo...
AD825 is a classic high-speed operational amplifier with excellent frequency characteristics, offset and gain.
Very small error, very small temperature drift, strong load adaptability, high output dri...
1 Overview
The main features of the stepper motor automatic positioning system are that it can achieve precise displacement, precise positioning, and no accumulated error. It is generally us...[Details]
In the past, LED lamps all used constant voltage power supplies. At that time, we did not understand the performance of LEDs. According to the data given by the manufacturer, each small lamp bead w...[Details]
According to the data from the China Automobile Association, the number of heavy-duty trucks in my country in 2019 was 7.617 million, accounting for 3.0% of the total number of vehicles. However, acc...[Details]
1. Memory Structure The 51 single-chip microcomputer memory adopts the Harvard structure, that is, the program memory space and the data memory space are separated, and the program memory and the...[Details]
The User Button hardware connection is shown in the figure below: When the button is pressed, PB9 detects a low level, otherwise PB9 is pulled high by the 3.3V power supply.
The LED hardwar...[Details]
The volume control of dual-channel audio generally uses a double potentiometer. The two outputs of the potentiometer must be synchronized, that is, the output voltage must be consistent, otherwis...[Details]
Using Witech's products in the tap water industry can easily maintain the system and improve efficiency. The host computer uses an industrial PC and is equipped with a printer and a large-screen mo...[Details]
The zinc oxide lightning arrester tester is used for on-site online monitoring. It is a special instrument used to detect various relevant electrical parameters of lightning arresters on-site and in ...[Details]
According to Bloomberg, AMD has licensed its graphics design technology to Samsung for use in smartphones and tablets. This collaboration brings AMD's graphics design technology into a new market and...[Details]
1 Introduction After high-frequency switching power supplies entered my country in the 1980s, they entered my country's postal and telecommunications, power departments and other fields in large...[Details]
Date, Renesas released its recent Wi-Fi roadmap at Electronica 2022 and launched automotive radar transceivers and NB-IoT solutions. Dr. Sailish Chittipeddi of Renesas Electronics speaks at Electro...[Details]
China Energy Storage Network:
Following the two consecutive years of lowering general industrial and commercial electricity prices in 2018 and 2019, with an annual reduction of 10%, the relev...[Details]
Recently, Beijing Zhongke Guoguang Quantum Technology Co., Ltd. (hereinafter referred to as "Guoguang Quantum"), an enterprise in Beijing Economic and Technological Development Zone (Beijing Yizhua...[Details]
Many mobile phone brand manufacturers have released new products one after another, including smart watches, TWS headphones, smart bracelets and other new wearable devices. The release of these new...[Details]