The question is this: I just checked the information. I found that I need to add a pull-up resistor to the microcontroller pin. Connect to the base of the transistor, and then control the relay. But s...
The serial port sends data one bit at a time and receives data one bit at a time. Excluding the start bit and the stop bit, there are only 8 bits of data left. When 8 bits of data are received, an int...
[code]void main(){ uchar a = 0, b = 0, c = 0; float f = 123.456; a = f; f = f - a; f = f * 1000; b = (uchar)f;_nop_(); b = ((uchar)f / 100); //??? while(1) {a++;b++; }}[/code]...
EEWORLD has been carrying out the activity of exchanging Chip Coins for AVR Learning Board + USB Programmer for half a month. At present, 12 friends have exchanged for the corresponding learning board...
Dear forum friends, if you have any opinions or suggestions on the Industrial Control Electronics Forum, please feel free to throw bricks at us! Thank you!...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[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]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[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]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[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]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
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