arm-linux-gcc -nostdinc -I/home/book/lcd/lcd_3.5_4.3_SI/include -Wall -O2 -c -o lcddrv.o lcddrv.c lcddrv.c: In function `Tft_Lcd_Init': lcddrv.c :80: error: called object is not a function lcddrv.c:80...
When the development boards of various manufacturers use the S3C2410 chip, the USB has 1 master port and 1 slave port. The slave port is mainly used to download NK or other programs. Now I want to mak...
I use a chip that requires a specific algorithm, so I must use its own library. Now I can confirm that the library is for the wince5.0 platform and is a static library. That is, I have .lib, .pdb, and...
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[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]
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 power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[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]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
0 Introduction
In the fields of petroleum, chemical industry, metallurgy, electricity, textile, light industry, water conservancy and other industries and scientific research, relevant pressur...[Details]
introduction
This paper mainly studies the problem of voltage sag control. For sensitive load equipment with rectifier inverter structure, this paper proposes a DC dynamic voltage restorer (Dy...[Details]
Tags: digitization, analog technology, digital technology
1. Introduction
The ability of digital electronics to quickly and accurately collect image, voice and audio data from our...[Details]
High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]
The so-called constant current source is a power supply with a very stable output current, but this stability is relative, not absolutely unchanging, but its rate of change is so small that it can be ...[Details]
Sensors of all types have evolved greatly over the past few years and are much more accurate and stable than their predecessors. Sometimes, these sensors are not easy to use.
Designers of cond...[Details]
FSP107-2PS01 two-in-one power supply assembly is mainly used with LG 26-inch screens to directly drive CCFL lamps, as shown in Figure 1. If used with screens from other manufacturers (such as Sams...[Details]
PPTC device technology has been widely used in overcurrent and overtemperature circuit protection designs for portable appliances, cell phones, computers and telecommunications equipment. New stand...[Details]
FPGA/CPLD
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