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1 System structure and function overview
According to the characteristics of the smart home system with many online devices and the need for convenient control, the data acquisition card s...[Details]
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In my opinion, an oscilloscope is the best tool for debugging analog power supplies, and this is also true for digitally controlled power supplies. Single-stepping through the code is not an option b...[Details]
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If the row lines are P1.0~P1.2 and the column lines are P1.5~P1.7, try to draw a determinant keyboard input circuit with only 9 keys and write a key scanning program Picture 1 KEY: MO...[Details]
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1. What is a thyristor? Thyristor is a switching element that can work under high voltage and high current conditions, and its working process can be controlled. It is widely used in electronic c...[Details]
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Digital multimeters, as modern multi-purpose electronic measuring instruments, are mainly used in the measurement fields of physics, electricity, and electronics. Generally, they include functions su...[Details]
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LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
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Overview CH549 is an enhanced E8051 core microcontroller compatible with MCS51. 79% of the instructions are single-byte single-cycle instructions. It runs fast and has built-in 60KB Flash-ROM and 2K+...[Details]
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By the end of 2019, the auto market is still going through a cold winter. Along with the news of layoffs, there is also a wave of transformation of auto companies. Auto giants and parts manufacture...[Details]
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For example, if the internal instruction cycle clock is set as the clock source and the frequency division is 1:4 for a 4M crystal oscillator, the timer increment is 1us (but the PI...[Details]
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TCL Huaxing, Shenzhen’s largest industrial investment project, recently celebrated its 10th anniversary. From catching up to leading, TCL Huaxing has demonstrated “Shenzhen speed” and “Shenzhen quali...[Details]
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The spectrum analyzer will display the noise level when no signal is added. The noise generated by the spectrum analyzer itself comes mostly from the first stage of the intermediate frequency amplifi...[Details]
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At present,
the HarmonyOS NEXT Galaxy preview version has been officially opened to developers for application, and
DevEco Studio, an integrated development environment for HarmonyOS native...[Details]
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The energy-saving research of new light sources used in tunnels has attracted the attention of the industry, among which the energy-saving research of LED tunnel lights has made significant pr...[Details]
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In the data sheet of power MOSFET, there are usually parameters such as single pulse avalanche energy EAS, avalanche current IAR, repetitive pulse avalanche energy EAR, etc. However, many electronic e...[Details]
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USB Type-C® (USB-C®) is an industry-wide universal connector that supports data and power transfer over a single interface for applications such as personal electronics, automotive, industrial, and...[Details]