[size=5] Today (it was past midnight, so it should be yesterday) is the first anniversary of the establishment of Xinhangxian. In the first year, Xinhangxian has grown from nothing to something. The c...
There are many terms in PCB design. If you are not a professional PCB designer, even many beginners are confused about many of them. So, which terms are easy to get wrong? Here are some terms. You can...
I have been learning Arduino and Zigbee for the past two or three months. Now I can control the light switch with a mobile phone. Arduino + enc28j60 + cc2530 are used as gateways to wirelessly control...
I want to make a few wireless sensor nodes. I'm a newbie and I don't know if there is a dedicated chip that can detect the distance between two nodes. If so, please tell me the name of the chip. I'd b...
The power supply voltage of STM32 chip is generally 3.3V. Now the system provides 24V DC power externally.I need to convert 24V power to 3.3V, but I don't know which power supply is better?I initially...
Arduino UNO R3 development board microcontroller 2012 latest model MEGA328P ATMEGA16U2. I accidentally bought two of them. Now I have a new one that has not been disassembled. Who wants it? 30 yuan in...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[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]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[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]
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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[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]