The PB compilation and generation system was normal before. I don't know why yesterday, I reported an error when I recompiled an old project. The content of build.err is as follows: [color=#FF0000]E:\...
[i=s]This post was last edited by qwqwqw2088 on 2014-1-28 12:04[/i] [i]Design of Flyback Switching Power Supply Transformer[/i][color=#333333][font=arial][size=13px]The flyback transformer is the core...
I wrote a program for 18B20 and it can get the value, but the value is very large. I would like to ask why this is the case? Please enlighten me. Thank you!...
If you create a new project and get an error like the one shown in the figure after compiling,try to modify this place and see if there is an option for floating point support here!...
I use WIN 6.0, and the system can switch between Chinese and English. The Chinese characters in the QR code are displayed as garbled characters when switched to Chinese, but they are displayed normall...
1. Use two dual four-to-one data selectors and NAND gates to realize the conversion from cyclic code to 8421BCD code. 2. Use a 74LS148 and NAND gates to realize the 8421BCD code priority encoder and d...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in 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]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[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]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[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]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[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]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[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]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Embedded System
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