When using an MCU with BLE function for application development, you need to be familiar with the BLE API first . However , the BLE API styles of different manufacturers vary greatly, which is greater...
[b][size=4]Open Android Studio3.1 and create a NO Activity project[/size][/b][b][size=4] Switch to project view, go to the /app/src/main/java/com.xxxxxx directory, right-click New Activity->empty Acti...
Yokohama Rubber has developed a technology to analyze the state of tire reinforcement materials and predict tire cavity resonance sound, aiming at the tire's basic technology "MultiScale Simulation". ...
[i=s]This post was last edited by ddllxxrr on 2022-11-2 20:51[/i]Controller human machine interfaceAuthor: ddllxxrrIntroduction
Using the STM32F7508 development board to develop a controller human-mac...
Last Thursday night, I discussed with a friend from Shandong on WeChat about the specifications of a bidirectional AC/DC power supply of AE, which supports 0~100V input. The issue that my friend was c...
As the COVID-19 prevention and control situation in various countries and regions in Asia gradually improves, the economy and production have recovered. As a comprehensive service platform for the au...[Details]
1. Hardware Solution This design is a calculator simulation system design with 51 single-chip microcomputer as the core. The input uses a 4×4 matrix keyboard, which can perform addition, subtraction,...[Details]
Introduction
Since the advent of the single-chip microcomputer in the 1970s, it has attracted people's attention and concern for its extremely high cost performance, so it is widely used and de...[Details]
The 12864 LCD based on ST7920 control is very convenient for character display, but netizens say it is not suitable for displaying graphics because it needs to turn off the display before drawing a...[Details]
Semiconductor light-emitting diodes (LEDs) were developed in the 1960s and gradually became commercialized. Their packaging technology has also been continuously improved and developed. From the ea...[Details]
The microcontroller source program is as follows: #ifndef _HT1621B_H_ #define _HT1621B_H_ #include reg52.h #include intrins.h //In order to use NOP #define NOP _nop_() #define uchar unsigned char ...[Details]
The island phenomenon refers to the situation where when the power supply of the power grid is disconnected due to a fault accident or power outage for maintenance, the distributed grid-connected pow...[Details]
(1) Circuit Description
The circuit principle of the voltage regulator with automatic recovery function is shown in the figure below. When a short-circuit fault occurs in the load, the output...[Details]
Recently, at a sub-forum of the "Core Power Beijing" Zhongguancun IC Industry Forum, industry insiders expressed their opinions on the theme of "IC Design and Independent Innovation" and jointly expl...[Details]
In fact, the first thing to be familiar with when learning microcontrollers is the operation of the I/O port. The GPIO of STM32 is also easy to understand, with only 8 modes. Just understand which fu...[Details]
虽然大家都知道,
LED灯
仅会耗费小部分的能量,就能产生与白炽灯泡同样的光量,不过这只是我们所知的其中一小部分.有研究报告指出,其实LED灯与一般节能灯泡的能源效率相去不远,而且LED灯整体生产过程可能相当耗能.据国外媒体报道,一向以节能著称的LED灯,若生产及回收废弃的过程当中所需耗费的能源,反而高过于一般电灯泡,那显然“节能”的功用根本无法达成.
In March...[Details]
Taking the single-chip microcomputer AT89C51 as the control core, the semiconductor refrigeration technology is introduced into the LED heat dissipation research. The PID algorithm and PWM modulation...[Details]
Qualcomm Senior Vice President and Patent Counsel Mark Snyder delivered a speech at the 10th China Intellectual Property Annual Conference Jiwei.com reported on September 3 (Reporter Zhang Yiqun) Rec...[Details]
ON Semiconductor recently announced that its revenue for the second quarter of 2019 was US$1.3447 billion, a year-on-year decrease of 7% and a month-on-month decrease of 3%. In the second quarter of...[Details]
The MAX16070/MAX16071 flash-configurable system monitors manage multiple system voltages. The MAX16070/MAX16071 also accurately monitor (±2.5%) a current channel with a dedicated high-side current-...[Details]
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