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Simple visual applications, such as presence, positive and negative error detection, are not as simple as imagined. Like high-difficulty visual solutions, these applications require hardware solution...[Details]
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We designed an integrated chip test system using AT89C52 single-chip microcomputer. This test system can realize the function detection of TTL, CMOS series chips and some common key switches common...[Details]
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Practice is of course the best way to train people, but I think school students rarely have such opportunities. Not to mention undergraduates, master's students may not be qualified. So I think learn...[Details]
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Compared with electromechanical relays, solid-state relays (SSRs) are relays without mechanical movement and moving parts, but they have essentially the same functions as electromechanical relays. ...[Details]
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On the morning of April 23, the signing ceremony of the Ruipu New Energy Industrial Base Project was held in the Wenzhou People's Hall. Chen Weijun, member of the Standing Committee of the Zhejiang...[Details]
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Heat dissipation method - mainly physical method
1. Radiation Radiation refers to the body's heat dissipation by emitting infrared rays. When the skin temperature is higher than the ambient temp...[Details]
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Last night, the car circle brought out two plates of hard food at once. Geely launched its new brand Jiyue, and Baidu obtained its birth certificate for car manufacturing. Evergrande Automobile r...[Details]
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Permanent Magnet Synchronous Motor (PMSM) is a high-performance motor widely used in electric vehicles, industrial drives, home appliances, etc. It has high efficiency, high power density and good ...[Details]
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The three upper drive outputs (pins 1, 2, and 24) of the MC33035 are NPN transistors with open collectors. They have a current absorption capacity of 50mA and a withstand voltage of 40V. They can be ...[Details]
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1. Definition
Ground current:
current
flowing in the earth or in a grounding electrode
.
Grounding conductor: refers to the conductor that constitutes the ground, which connects the ...[Details]
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introduction There is a huge market demand for LED self-ballasted tube lamps (hereinafter referred to as LED tube lamps) that use G5 and G13 lamp holders to replace double-ended fluorescent la...[Details]
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Soft start and star-delta start are two different motor starting methods, each with its own advantages and disadvantages. In practical applications, the choice of starting method depends on factors...[Details]
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In the previous article, we mentioned the application scenarios of scatter loading descriptors. Generally, for simple code distribution, there is no need to use such files. You can directly use the si...[Details]
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On April 11, at the 2023 Alibaba Cloud Summit, Cai Yinghua, chief commercial officer of Alibaba Cloud Intelligence, said that Alibaba Cloud will continue to "adhere to partners first" strategy unswer...[Details]
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Since the chip of the computer mouse we participated in this time was the STM32 series, and time was tight, we basically learned while making the module. We encountered many difficulties, but I still...[Details]