[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i] The biggest advantage of IPTV is "interactivity" and "on-demand viewing", which completely changed the characteristics of tradit...
#include stdio.h
#define FRAME180
short int h[19] = {399,-296,-945,-1555,-1503,-285,2112,5061,7503,8450,7503,5061,2112,-285,-1503,-1555,-945,-296,399
};
static short int nBuff[FRAME + 20];
void Lowpas...
1. IntroductionDuring the debugging process of the device, you often need to check some data and operating status of the device. Use the STM32H745 development board to display the main data and status...
There are many high-frequency ultrasonic sensors for sale on the Internet, but they do not have the relevant sensor processing circuits.
How can we design this kind of circuit? The sensor doesn’t seem...
Introducing a national invention patent - a smart water meter with one card. The patent was applied by Zhengzhou Leyuan Electronic Technology Co., Ltd. and was authorized on January 9, 2018.Contents
T...
There are generally two reasons for oscilloscope waveform jitter. One is that the signal is not synchronized, which is a problem with the oscilloscope trigger setting. The other is that the signal its...
OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
South Africa is located in the southernmost part of Africa and has rich natural resources. South Africa is the most developed country in Africa and the second largest economy in Africa. In recent...[Details]
5G has been gaining popularity since 2016. As the next generation of mobile communication network, if we use one keyword to describe 5G, it is "fast", because 5G will not only greatly change people's...[Details]
Because cold cathode fluorescent lamps (CCFL) are very low cost, large-screen liquid crystal displays (LCDs) usually use CCFL as backlight to produce uniform white light. However, the use of light-...[Details]
Preface I've been playing with a 6-DOF robotic arm recently. The core control device of this robotic arm is the six servos that can rotate 180 degrees. I didn't learn how to use servos in a syste...[Details]
1 Terms and definitions
Surge current: large current generated by electrical equipment at the moment of startup;
bypass circuit: circuit that bypasses electrical equipment to generate large cu...[Details]
Use STM32's isp download. Set the boot to ISP download mode, and then use the FLYMCU tool to perform ISP download. The new program cannot set the pins to analog state. Otherwise, the pins cannot be r...[Details]
Recently, Lenovo Lingtuo Technology Co., Ltd. (hereinafter referred to as "Lenovo Lingtuo") successfully passed the international CMMI Level 3 certification and was awarded the level certificate. Thi...[Details]
Click OK to print.
Figure 4
Print PCB specified layer settings
After entering Figure 2, select "Advanced..." and a dialog box will pop up as shown in Figure 5. The layers currently d...[Details]
When the robot is started up at low ambient temperatures, the friction in the gearbox increases. This causes the motor current of one (or more) axes to reach its maximum value.
The robot stop...[Details]
When using PIC microcontrollers, I often encounter designers who only focus on software and ignore hardware when using microcontrollers. Functional debugging is normal, but various problems often occ...[Details]
Users who pay attention to the digital world, especially Apple phones, probably have the impression that every time a new iPhone is released, the same phenomena will occur, such as a lot of complaint...[Details]
The auto industry remains hampered by chip shortages amid reports of rising semiconductor inventories in the supply chain. Demand for electronics from automakers continues to soar, but the auto indus...[Details]
BootLoader refers to a small program that runs after the system starts and before the operating system kernel runs. Through BootLoader, we can initialize hardware devices and establish a mapping of ...[Details]
1 Introduction
With the popularization of low-cost and high-performance computer resources, the rapid development of large-scale integrated circuit technology and communication technology,...[Details]
Mobile and portable
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