Laser welding is a flexible processing method, which is widely used in modern processing. This project is laser welding of small 3C metal workpieces. The workpieces are usually small and the welding t...
Recently, when I was tuning the srio communication of 6672 and using nwrite to send data, a 6672 chip had data misalignment. Specific phenomenon: 1024 sequential numbers 0-255 0-255 0-255 0-255 were s...
1. Introduction to the original plan
The original solution uses Zigbee+wifi relay and 8266+cc2530X2. The 2530 blankets on the blanket continuously collect data, which consumes a lot of power. In the i...
sgf201onsemi and Avnet IoT Innovation Design Competition
Haha, I found a very interesting phenomenon. The express delivery from EEWORLD is Jetta Express, but it becomes Zhongtong Express when it arrives at my place. Is there a phenomenon of subcontracting? ...
In my system, timer4 interrupt service routine is used to call OSTimeTick(). I initialized timer4's rINTMSK &= ~(BIT_TIMER4); pISR_TIMER4 = (int)Timer4ISR; rTCNTB4 = (rTCNTB0 & ~(0xFFFF))|99; //1ms rT...
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
In the development direction of the automotive industry, electric vehicles (EV) and hybrid electric vehicles (HEV) are becoming an obvious trend. From a technical point of view, hybrid power is mor...[Details]
1 Overview
As a driving power source, the new battery has a range of more than 200 km within the acceptable weight range of the mass market, which provides an important way for power batteries...[Details]
The Challenge:
Providing a flexible, powerful robotics design platform
to more than 40,000 high school students participating in the FIRST
Robotics
Competition (FRC).
The So...[Details]