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Recently, many netizens have reported that the registration entrance for personal WeChat accounts has been closed recently. Currently, all users can no longer register new personal WeChat acco...[Details]
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Introduction
Cortex-M3 is the first microcontroller core based on ARMv7-M of ARM. It is very different from ARM7 in terms of instruction execution, exception control, clock management, trace debugg...[Details]
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It is easy to construct a summing integrator using a simple integrator. In the circuit of Figure 5.4-9, the capacitor is charged by all the current flowing into the virtual ground. The relationshi...[Details]
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On March 29, a reporter from Cailianshe learned from Changyuan Lithium that the company's products were in short supply in the first quarter, with production and sales increasing rapidly year-on-year...[Details]
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How fast! WeChat has launched a new feature. WeChat has been updating a lot recently. The latest update allows users to directly open Taobao links with WeChat and increases the upper limit of the num...[Details]
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Future 4C products are characterized by low price, light weight and mobile Internet access, so their power supply design must break away from traditional limitations, including complicated external...[Details]
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Thermocouples are one of the most commonly used temperature detection elements in industry. Its advantages are:
① High measurement accuracy. Because the thermocouple is in direct contact with ...[Details]
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With the rapid development of automobile technology, people's demand for driving safety and comfort is constantly increasing. As a high-frequency application in automobiles, in-vehicle navigation has...[Details]
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The mercury analyzer is a highly sensitive atomic absorption spectrometer for measuring mercury . The mercury anomaly in the air above some metal deposits is often as low as a few to tens of nanogra...[Details]
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Note instrument frequency range table
A 110 220 440 880 1760 3520
B 123.45 246.9 493.8 987.6 1975.2 3950.4
C 130.8 261.6 523.2 1046.4 2092.8 4185.6
D 146.825 293.65 587.3 ...[Details]
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0 Introduction
LED dot matrix display is a new display method that integrates microelectronics technology, computer technology, and information processing. Due to its advantages such as lo...[Details]
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A blockbuster! On September 22, 2023, Nanoradar released the independently developed P-Finder Pathfinder series SR71 stereo dual wide-angle radar.
The radar adopts
horizontal + pitch beam...[Details]
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In recent years, multinational giants have launched seven-axis robots to seize new high-end markets. This has prompted us to think deeply about seven-axis robots. What unique technical advantages d...[Details]
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1. Introduction Through the last study, we learned how to control the LED with buttons, but in actual applications, this query method takes up CPU time. If this problem can be solved through interrup...[Details]
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ROHM, a world-renowned semiconductor manufacturer headquartered in Kyoto, Japan, will participate in the world's leading trade fair and conference for electronic components, systems, applications a...[Details]
Analog electronics
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