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Ultra-thin display OLED Chinese display realization
With the development of science and technology, electronic display technology is also constantly being updated. From the traditional cat...[Details]
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With the rapid development of my country's economy, the situation of electricity shortage is becoming increasingly severe. In order to alleviate the situation of electricity shortage in society, many ...[Details]
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Abstract
: This paper introduces the application of C8051F series microcontrollers in remote measurement and control devices, gives the structure of the entire system, including hardware conf...[Details]
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Although the DRAM market is expected to see a mild recovery in 2020, manufacturers are cautious about their spending plans this year due to the uncertainty risks. In order to avoid potential damage f...[Details]
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With the development of control technology, voltage and current modulated signals have been more widely used. If the signal has a high harmonic content, the traditional active power measurement metho...[Details]
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LED displays are divided into two types: common cathode LED and common anode LED.
The common cathode LED circuit connection is shown in Figure 1 (a). The cathodes of the 8 LEDs are connected t...[Details]
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This article introduces a simple circuit that can increase the bandwidth of a digital potentiometer from 10 times to 100 times. Using this method, digital potentiometers can be used in high-frequen...[Details]
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#Basic knowledge Speaker, commonly known as horn, is a generator that can emit a variety of audio frequencies and is widely used in real life. Sound-generating principle: The production of sound is ...[Details]
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What do power engineers fear the most? Machine crashes! It breaks down while in use. The MOS tube explodes for no apparent reason. They are really afraid and hate it. But what exactly went wrong? All...[Details]
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To make printf() and scanf() work, we need to redirect printf() and scanf() to the serial port. Redirection means that users can rewrite C library functions by themselves. When the linker detects tha...[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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#ifndef _DS18B20_C_
#define _DS18B20_C_
#define DQ_18B20 (1 3) // PD3
#define DQ_TO_0() (DDRD |= DQ_18B20) // PD3=’0′
#define DQ_TO_1() (DDRD &= ~DQ_18B20) // PD3=’float’
#define DQ_status() (P...[Details]
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When compiling u-boot, add $(obj)u-boot.dis to the end of the ALL variable in Makefile, and u-boot.dis will be compiled. u-boot.dis is the disassembly of each instruction of u-boot generated by arm-l...[Details]
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On June 26, OPPO held a communication meeting mainly for developers in Beijing. OPPO hopes to help developers reduce the difficulty of commercialization in business such as application joint o...[Details]
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Chinese inventor Wu Kai and his team successfully won the European Inventor Award 2023 (category "Non-European Patent Office Member States") In recognition of the Chinese inventor's contribution ...[Details]
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