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1 Introduction "EPA System Architecture and Communication Specification for Industrial Measurement and Control Systems" (hereinafter referred to as EPA) is a real-time communication specification...[Details]
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Editor's note: At CES2023, car manufacturers and chip manufacturers have launched the latest products around smart cars . In the trailer park of the Las Vegas Convention Center, there were two cars o...[Details]
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Specific implementation functions The system consists of STC89C51 microcontroller + LCD 1602 display + DS18B20 temperature sensor + button module + alarm module. Specific functions: (1) Use DS18B...[Details]
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With the development of digitalization and informatization, large screens have been increasingly used in various occasions, and various display technologies have emerged. From the early CRT to the ...[Details]
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ABB has recently secured a successful partnership to provide charging infrastructure for 40 single-decker electric buses that will be launched in Singapore in early 2020. The other two parties in t...[Details]
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July 25, 2024, Shanghai - Recently,
Shanghai Telecom, ZTE and Qualcomm Technologies have cooperated to complete a multi-channel concurrent VR service demonstration under the 5G Advanced (5G-A) ...[Details]
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Here, I use an actual example to correct a small mistake that junior engineers often make, or a detour that they often have to take. I hope this helps everyone. If the writing is not good, please feel...[Details]
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Xiaomi Group partner and Redmi brand general manager Lu Weibing posted on Weibo today that Xiaomi’s goal is to be number one and will surpass all mobile phone brands including Apple. Lu Weibing said...[Details]
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LED is a nonlinear device. A small change in forward voltage will cause a huge change in current. LED is a semiconductor diode. Its volt-ampere characteristic changes with temperature (-2mV/℃). If ...[Details]
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Switching power supply circuit composed of UC3842
Figure 2 is a switching power supply circuit composed of UC3842. The 220V mains power is filtered by C1
and
L1
to
remove elec...[Details]
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Power supply designers often face conflicting requirements. On the one hand, they need to reduce size and cost, while on the other hand, they need to provide more functions and increase output powe...[Details]
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Recently, Hangzhou Customs released Zhejiang Province's foreign trade "report card" for the first three quarters of 2021. In the first three quarters, the total value of Zhejiang Province's imports a...[Details]
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There are two key challenges facing designers of resonant audio systems. The first challenge is to exploit the resonant frequency and resonant region of a speaker or buzzer to produce the maximum o...[Details]
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The DC/DC converters used in modern telecommunication power modules (bricks) are typically designed using low-cost single-ended forward or flyback topologies for low- to medium-power applications (15W...[Details]
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On April 18, 2023, at the 2023 Shanghai International Auto Show, Ruipu Lanjun's "top-notch" batteries "158Ah and 200Ah were launched for the first time, and 158Ah was mass-produced. It used its stren...[Details]