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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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As we all know, Samsung is currently in the first echelon of the foldable screen mobile phone market. Samsung recently showed two different possible future forms of foldable screens on its official b...[Details]
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Author: Luigi Galioto, STMicroelectronics Abstract As the general LED lighting market continues to grow, customers are demanding new smart features, greater energy efficiency, and money-savings. T...[Details]
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The U.S. Secretary of Commerce officially announced that Huawei’s “temporary license” will be extended for 90 days, but another 46 Huawei-related companies have been added to the “Entity List”. It ...[Details]
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I. Application Background
1. After the lunch boxes are cooked, they are fully cooled (the core temperature must be reduced to below 10°C within 2 hours) and then packaged, and stored and transpor...[Details]
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There are more than a dozen security guards stationed at the main entrance to maintain safety. No roar of working machines can be heard in the huge factory area. Although employees are still ...[Details]
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The working principle of the voltage transformer is the same as that of a general transformer, with only differences in structural type, materials used, capacity, error range, etc.
Tran...[Details]
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Today I read the memory management code carefully, and then looked at the relevant knowledge of the stack. I figured out some things that I didn’t understand before, and wrote them down for easy refe...[Details]
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Dear Customers,
Hello! Thank you for your continued support and trust in Lianyuan Electric! In view of the "Notice on the Collection of Consumption Tax on Battery Coatings" issued by the State...[Details]
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74 series chip function description
Model Function ---------------------------------------------------- 74ls00 2-input quad NAND gate 74ls01 2-input quad NAND gate (OC) 74ls02 2-input quad NOR gate...[Details]
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This
circuit
automatically repairs the battery. When in use,
connect
the power supply
VCC to
the
+12V of
the switching power supply
, and connect points A and B to the positi...[Details]
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Under what circumstances is the battery internal resistance tester used? The battery internal resistance tester is a handheld tester that can measure the voltage and internal resistance of the batt...[Details]
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...[Details]
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1. Press "Sweep Setup" and set the number of points to 5000 points; set "power" to -30dBm (as required) 2. Press "Start" and "Stop" respectively to set the start and end frequencies. TIA：1MHz ~ 1...[Details]
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The concept of bootloader
Bootloader is a small program that runs before the operating system kernel or user application runs. Through this small program, we can initialize the hardware devices...[Details]
DIY/Open Source Hardware
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