Bradán Lane is developing a multifunctional NeoPixel board. It uses 310 WS2812 2020 LEDs and a Lolin ESP32-S2. It consists of four concentric rings and two 5×7 squares in the center.It runs CircuitPyt...
Nu Horizons Electronics announced that it has expanded its North American partnership with Micrel Semiconductor to Greater China, New York, Melville and Singapore. In addition to the North American pa...
Last three days!!! Ebyte provides a variety of Bluetooth, 4G, WIFI, and lora modules for free for everyone to choose from. If you are interested, come and apply!The models that can be applied for eval...
The following article comes from Ruiban Laboratory, and the author is the cute class girl~
Today's highlights:1. The role of impedance matching circuit2. Ideal model of impedance matching3. High-frequ...
The new Cadillac cars produced by General Motors have been installed with the in-vehicle safety information service system called "OnStar". The system works based on the 3G network, and each car has a...
There is a demand to use LWIP protocol stack to realize communication between PC and STM32F429 main control board, and UDP protocol is proposed. Control instructions are sent on PC. After receiving th...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]