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The so-called phase measurement usually refers to the measurement of the phase difference between two signals of the same frequency, such as measuring the phase shift characteristics of the output si...[Details]
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If we were to define a keyword for the automotive industry in the first half of 2021, "chip shortage" would definitely be the key word. The days of chip shortage seem to have no end, and the "pain" o...[Details]
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The pulse generation circuit is composed of CD4060 and 32.768Hz quartz crystal oscillator to generate 4Hz pulse source. The 74LS293 counter counts the 4Hz pulse source, and its output terminal Q is co...[Details]
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When programming 80C51 microcontrollers in C, when using sbit to define a bit variable (it seems more accurate to say constant) of a bit-addressable special function register, the compiler will proces...[Details]
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CPU circuit diagram
Display circuit
Control board circuit diagram
Program
#include iotiny24.h // Include model header file
//#include iot24v.h
#include iomacro.h // Include "...[Details]
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0 Introduction
Electronic toll collection (ETC) is a fully automatic electronic toll collection system used in many toll collection places such as highways, bridges and tunnels. It is an effect...[Details]
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A blood glucose meter is a medical device used to measure the glucose concentration in the blood. Depending on the specific blood glucose concentration, it may also need to provide hypoglycemia med...[Details]
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Huishoubao recently released a report on the wholesale price trends of new phones, which provided a detailed description of the price trends of the iPhone 12 series and Huawei Mate 40 Pro. Let’s take...[Details]
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On November 8, according to foreign media reports, a foreign netizen recently dismantled Tesla's new 12V auxiliary lithium battery and unveiled the mystery of this battery. It is reported that this...[Details]
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For hexagonal nuts, the commonly used standards are: GB52, GB6170, GB6172 and DIN934. The main differences between them are: GB6170 is thicker than GB52, GB6172 and DIN934, commonly known as thick ...[Details]
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Require: 1. The circuit uses 7 LEDs to represent the "electronic rope" of tug-of-war. After the power is turned on, only the middle one lights up, which is the center point of the tug-of-war. In th...[Details]
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Recently, the term "overtaking on a curve" has begun to appear frequently in the development strategies and plans of major industries. Compared with the previous "leapfrog development", this term se...[Details]
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The DC regulated power supply studied in this system mainly conforms to the characteristics of intelligence, digitization and modularization: intelligence means that the system has programmable mod...[Details]
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Power factor meters, also called phase meters, can be divided into three categories: electric series, ferromagnetic electric series and electromagnetic series according to the measuring mechanism. Ac...[Details]
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China’s two largest lithium producers are still losing money nine months into the year as a slump in the battery metals market continues to squeeze the industry. Tianqi Lithium Corp...[Details]