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This article presents the design of a new single-phase remote fee control smart meter based on the R5F212B8SNFP MCU from RENESAS Semiconductor.
1. System Function Design
1.1 Overall struct...[Details]
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With the rapid development of the software industry, the scale of application software systems continues to increase, enterprises pay more and more attention to software quality, and software compani...[Details]
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The English abbreviation of X-ray is XPD or XRD. Sometimes it is called X-ray polycrystalline diffractometer, and the English name is X-ray polycrystalline diffractometer, which is still abbreviated ...[Details]
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According to LAW STREET, Cedar Lane Technologies (hereinafter referred to as "Cedar Lane") recently filed a patent infringement lawsuit against Huawei in the Eastern District of Texas, claiming that ...[Details]
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HV632 is an 80 V, 32-channel display driver chip launched by Supertex in 2003. It has 256-level grayscale control capabilities and is designed for flat-panel displays. Using the company's HVCMOS te...[Details]
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introduction
With the continuous advancement of science and technology, power system automation equipment is becoming more and more advanced, which effectively promotes the development of powe...[Details]
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The basic principle of the withstand voltage tester is to apply a voltage higher than normal operation to the insulator of the device under test for a specified period of time. If the insulation be...[Details]
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Could humans invent a device that could sense the slightest disturbance in the water like a fish? Or learn from a butterfly that changes the color of its wings as the chemical composition of the ai...[Details]
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In motor control, it is very important to obtain the motor rotor position in real time. The motor speed can be calculated by monitoring the position of the motor shaft or mechanical equipment. When...[Details]
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Recently, Shiqiang signed an agency agreement with Spain's PREMO Group. Founded in 1962 and headquartered in Barcelona, the Premo Group is not only one of the largest R&D and manufacturing com...[Details]
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On July 12, Yushu launched Unitree Go2, a new species of embodied intelligence, starting from 9,997 yuan! This product will completely subvert the previous consumer-grade quadruped
robots
a...[Details]
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Experience summary: Analysis of the cause of MSP430F147 crash when the power supply is unstable and reset frequently.
In my system, I need to deal with the situation where the power supply is extreme...[Details]
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In a common dual-tube pulse circuit, one tube is always on and the other is off. However, the complementary tube pulse circuit is different. It has the following characteristics:
(1) Both tube...[Details]
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There are many circuits that are suitable for driving LEDs with a constant current using a low voltage source. For example, the circuits shown in References 1, 2, and 3 all use a switching regulat...[Details]
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Fuji Keizai predicts that the global market for lithium-ion secondary batteries will exceed 5 trillion yen (about 333.55 billion yuan) in 2020 and reach 8.8239 trillion yen (about 586.96 billion yu...[Details]