[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...
Jiwei.com reported on November 18 that OPPO launched the OPPO CybeReal full-time spatial computing AR application yesterday, which integrates high-precision digital modeling, AI, cloud computing, gra...[Details]
According to foreign media reports, a study by the Okinawa Institute of Science and Technology Graduate University (OIST) has discovered a specific building block, constructed by nanoparticle technol...[Details]
The simulation schematic is as follows Schematic The microcontroller source program is as follows: #include reg52.h #include intrins.h #include string.h #include "main.h" #include "LCD1602.h"...[Details]
In the 8051 system, the data pointer DPTR is a special 16-bit register used to address the 64 KB XDATA or CODE space. It is usually used as a 16-bit pointer to a constant table. Dual data pointers ...[Details]
On May 28, State Grid Corporation of China held a conference to study and implement General Secretary Xi Jinping’s important expositions on scientific and technological innovation and the company’s...[Details]
Electronic oscilloscopes are the most popular tools for measuring electrical signals. Currently, the real-time bandwidth of digital storage oscilloscopes exceeds 10GHz, and the equivalent bandwidth...[Details]
In 2023, when China's new energy vehicle industry falls into fierce competition, this involution will also be transmitted to the upstream power battery industry. Recently, Yang Hongxin, chairman an...[Details]
As the main energy-saving light sources, energy-saving lamps (CFL) and LEDs are increasingly appearing in homes, offices, streets and other places. Most energy-saving lamps and LED light sources are ...[Details]
On June 11, the domestic smart wearable device manufacturer Huami Technology's 2019 summer new product launch conference will be officially held, and a high-end flagship AMAZFIT smartwatch product wi...[Details]
1. Introduction
The traditional PWM DC/DC phase-shifted full-bridge zero voltage soft switching (ZVS) converter uses the resonance between the leakage inductance or/and the primary series ...[Details]
This is definitely good news for iPhone users. The official version of iOS15.4.1 has been pushed, which mainly solves the heating and battery life problems after the iOS15.4 upgrade. Early this morni...[Details]
It is rare to see information about how to send a frame of data in an interrupt mode. If you send a data frame in a waiting mode, it will waste time for a high-speed microcontroller. The following is...[Details]
STMicroelectronics Launches VDA-Compliant LIN Alternator Regulator to Improve Performance and Flexibility of 12V Automotive Electrical Systems
September 15, 2022, China - STMicroelec...[Details]
A soft starter is a device used to start and control a motor. It adjusts the starting current and voltage of the motor to achieve smooth starting and stopping of the motor. The soft starter paramet...[Details]
Mobile and portable
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