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A new report from Korean media Elec shows that LG is working on releasing a device with a rollable display in March next year, codenamed "B Project". In addition, LG is expected to launch ot...[Details]
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1. Aramid Fiber
This polyamide fiber was developed by DuPont and its trade name is Kevelar. It has excellent strength and toughness and can be used as a fiber material for bulletproof vests, pa...[Details]
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As the most widely used drive devices in transmission systems, frequency converters and servo drives firmly occupy the vast majority of the drive field.
When talking about the difference...[Details]
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If the gain or noise bandwidth of a low-noise amplifier is known or estimated , the other specifications can be measured using only a few resistors and an AC voltmeter. This example uses the Johnson ...[Details]
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Note that CPU ID and Unique ID have different definitions for ST. The CPU ID is built-in to CortexM3, and the reset value is consistent. There are definitions in PM0056.pdf.
Unique ID is a different ...[Details]
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1 Introduction This article will introduce how to use the USB CDC class for development based on the STM32F4DISCOVERY board, as well as the analysis and solution of the problem of failure when sendin...[Details]
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There are four methods for measuring humidity: hair hygrometer, wet-dry bulb thermometer, dew point mirror, and capacitive humidity sensor. ZR-ZO zirconia oxygen analyzer will introduce them one by on...[Details]
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The MCS-51 single-chip microcomputer was launched by the American INTE company in 1980. Compared with the MCS-48 single-chip microcomputer, it has a more advanced structure and stronger functions. ...[Details]
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introduction
In recent years, with the continuous development of sensor technology and the widespread application of single-chip microcomputer technology, more and more small sensor measurement ...[Details]
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Testing is an essential part of ensuring product quality. Manufacturers need more accurate, flexible and economical testing systems. The faster the industry develops and the more widely used the produ...[Details]
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Fitbit has launched the third generation of its Ace activity and sleep tracker for kids, the Fitbit Ace 3. Designed for kids aged 6 and up, the Fitbit Ace 3 adds new animated clock faces, custom...[Details]
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Overview Initialize the STM32 USB as a USB slave and use the standard HID protocol. The control board comes with VBUS power supply, so VBUS and GND pins are not required. Just connect 2 data cabl...[Details]
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In the last class, we have introduced some information about how to create CDD files using CANdelaStudio. In this class, we will continue the previous content and share with you how to create CDD f...[Details]
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With the development of single-chip microcomputer technology, the performance of single-chip microcomputers has been greatly improved, and the operating speed is getting faster and faster, which ...[Details]
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Component selection: Capacitor Cl is 20p, C2 is 100p, C3 and C7 are 820p, C4 is 56p, C5 and C8 are 47p, and C6 is 47μF/50V. Inductor Ll is 22μH (color code inductor), L2 is 0.3μH. Resistor Rl is 1.6k...[Details]
Power technology
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