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;There is a question that requires recording the number of the key pressed. ;Device used: ;51 single-chip microcomputer, 8 numeric keys numbered "1~8", 1 function key, 1 digital tube, and other cryst...[Details]
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Opho's latest Keys is a popular keyboard. It has raised $50,000 in Indiegogo in just three days. It has already raised 220% of its target and there are 24 days left. The project was designed in 201...[Details]
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Xinlianda, a subsidiary of WPG Holdings, officially becomes one of Graphcore's general agents in China. The two parties will further enrich Graphcore's three-dimensional distribution channel netw...[Details]
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In recent years, the development of smart factories has become a popular trend in the global manufacturing industry. Traditional testing can no longer meet the needs of the times and will eventually ...[Details]
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Windows has released an "Update for the Windows Defender Antivirus Anti-Malware Platform", and after users installed it, some users reported that the Quick Scan and Full Scan functions did not work p...[Details]
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Photoplethysmography (PPG) technology can measure a variety of physiological and psychological parameters using low-cost wearable sensors, and it is also reshaping modern healthcare. Advanced mater...[Details]
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Circuit diagram of 40 W notebook power supply designed using TOP256EN
Figure 1 shows a flyback power supply designed using Power Integrations' TOPSwitch-HX devices. The adapter power supply uti...[Details]
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The automobile flow control valve is an actuator, which is used to limit the maximum flow of the steering oil pump. The flow control valve is usually inside the oil pump. The flow of the steering oil...[Details]
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What is V2X?
Vehicle-to-Everything (V2X) is a new generation of information and communication technology that realizes all-round connection...[Details]
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This reference design provides an idea for creating a PC-based temperature measurement system for evaluating the MAX6603 signal conditioner. The design uses two evaluation (EV) boards: MAX1396EVKIT a...[Details]
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Preface: I want to migrate a USB firmware program on C51 to ATmega8 these days, but one difference between ICCAVR & Keil C51 is the storage and access of program storage area, especially the access t...[Details]
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Introduction
For the power industry, strengthening its own energy conservation and consumption reduction is of great significance to the development of circular economy, the rapid construction...[Details]
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This is a schematic diagram of a single-chip ultrasonic ranging board. The circuit of this single-chip ultrasonic ranging board is simple and easy to make. No debugging is required. After the circuit ...[Details]
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The output resistance of the basic amplifier circuit is a dynamic parameter, and the commonly used calculation method is the "pressure-to-current method". Among the several dynamic parameters of the a...[Details]
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This board has a part of the version of Master Laoshou, and a part of it is my own drawing and modification. Circuit board size: 223x159 (mm) This board has functions such as overload protection, ...[Details]