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A new type of compensated temperature inspection circuit is introduced. The circuit overcomes the influence of the measuring wire on the measurement result in the traditional three-wire detection met...[Details]
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Abstract: According to the characteristics of AC asynchronous motor, a high-precision speed control system for AC asynchronous motor based on DSP is designed. The system uses vector control technol...[Details]
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There are many ways to measure transistor pins. The most common method in the laboratory is to use a multimeter and the characteristics of each transistor pin to measure. However, due to the complex ...[Details]
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This article does not discuss the dimming technology of bidirectional thyristors because the low light instability is caused by a different mechanism. Dimming methods that use communication technolog...[Details]
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In the field of modern industrial production, control and scientific research, the collection, transmission and processing of various field data such as temperature, pressure and vibration are essenti...[Details]
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Driver-button-interrupt mode eint_drv.c /*******Driver code************/ #include linux/module.h #include linux/kernel.h #include linux/fs.h #include linux/init.h #include linux/delay.h ...[Details]
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Due to its good portability, a considerable number of embedded software are developed in C/C++ language. The byte order of data storage in programs written in C/C++ language is related to the CPU use...[Details]
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The stacked chip method is now receiving more attention, but the design flow that supports stacked chips does not seem to be very mature yet. Advanced packaging technologies are seen as a replaceme...[Details]
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In the early days of industrial process control, industrial devices (sensors and actuators) were individually connected to programmable logic controllers using dedicated wires carrying analog (4-20...[Details]
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The Honor 50 series will be officially released on June 16. The new products have selling points such as 100-megapixel ultra-clear imaging, 100W super-fast charging, and 1 billion-color ultra-c...[Details]
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Keithley SourceMeter 2450 is Keithley's new generation digital source meter (SMU) instrument, which truly brings Ohm's law (current, voltage and resistance) testing to your fingertips. Its innovative...[Details]
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With the development of modern industry in China, the dust pollution in the air is becoming more and more serious. This pollution seriously endangers human health. Therefore, the measurement of dust c...[Details]
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Homai and AP Energy ranked first in terms of growth. As of the close, AP Energy was close to the daily limit, up 19.14% to 583 yuan; Homai's stock price returned to 1,000 yuan, up 10.44% to 1,047.0...[Details]
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ARMv4 porting tutorial:
I believe that many friends in China have s3c2410/2440 chips, which are based on the armv4t (arm920t) instruction architecture. In the past, because some of the underlyi...[Details]
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As early as 1923, when Losseff was studying semiconductor SIC, he discovered that there was light emission in the PN junction with impurities. The light emitting diode (LED) he developed has never rec...[Details]