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This article explains how to use an oscilloscope to display data, including horizontal and vertical controls, channel settings, math waveforms, reference waveforms, and display settings. Using the ...[Details]
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Huawei is about to release the Mate 40 series flagship. In addition, it is expected to launch a new generation of foldable screen mobile phones in the second half of this year. On August 11, ...[Details]
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LED was first introduced into the backlight of mobile phone buttons, and gradually entered industrialization in 2008. In 2009, it entered the field of medium and large-sized display backlight, and w...[Details]
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According to the frequency of the transmitted radar wave, radar level meter can be divided into high-frequency pulse radar level meter and low-frequency pulse radar level meter. High-frequency puls...[Details]
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/***************max7219.h****************/
#ifndef _max7219_h_
#define _max7219_h_
#include Atmel/AT89X51.h
#include "link.h"
/***************Control pin definition****************/
sbit _7219...[Details]
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According to feedback from netizens on IT Home, Huawei Mate40 Pro has now pushed the EMUI 11.0.170 update, which optimizes compatibility with some third-party applications and the stability of...[Details]
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— Support for 4G LTE and 64-bit Processing Expands Qualcomm Technologies’ Global Product Portfolio and Reference Design Program (QRD) —
SAN DIEGO, Dec. 9, 2013 – Qualcomm Incorporated (NASDAQ: Q...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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It has been reported that all 170 LED street lights that were piloted on a section of road in Nanjing, Jiangsu Province two years ago have broken down, their service life is far from the expected, and...[Details]
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How to connect passive speakers
Nowadays, many homes have special speakers that can be used to play karaoke, but many people don’t know how to connect the speakers. Let’s briefly describe it b...[Details]
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The principle of IPS to achieve real-time inspection and block intrusion is that IPS has a large number of filters that can prevent various attacks. When a new attack method is discovered, IPS will cr...[Details]
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Introduction The timer and counter in C51 are supported by the same hardware circuit. By configuring the registers differently, it can be used as a timer or a counter. To be precise, the difference...[Details]
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It is not easy to learn RTEMS, an RTOS, and this system is comparable to VxWorks in terms of performance and other aspects. It is a pity to abandon it, so I want to pick up what I have learned. In th...[Details]
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On November 30 last year, Zhuhai Meizu Technology Co., Ltd. disclosed a patent for "shunt-type battery charging and discharging control system, control method and electronic device", making a layout ...[Details]
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A servo electronic transformer is a power supply device for servo motors. Its main function is to convert the input AC power into DC power, and then precisely control the servo motor through the co...[Details]
PCB Design
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