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Nidec Instruments Co., Ltd. (former Nidec Sankyo), a group company of Nidec Corporation, has developed a compact contactless IC card reader that supports electronic payments between payers and payers...[Details]
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The function of the pull-up resistor:
(1) It is used to provide driving capability for the OC and OD gate circuits.
Take the OC (open collector) circuit as an example:
for example, the Darlington t...[Details]
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It should also be mentioned that some remapping may only be applicable to some STM32 chips. By default, TIM3_CH2 is connected to PA7. You can use the remapping function to map TIM3_CH2 to PB5. ...[Details]
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In the past year, humanoid
robots
have become the focus of attention, and many companies have lined up to launch their own humanoid products. Most of them have a typical humanoid appearance...[Details]
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PT4115 is a step-down constant current source IC in continuous inductor current conduction mode (Figure 1), which can directly convert DC voltage into a stable constant current output. This chip is s...[Details]
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Overview: The MDK9X25L-EK development board is based on AT91SAM9X25 and runs Linux 4.9. It connects to Huawei ME909s-821a 4G LTE module through USB 2.0 HS interface to achieve wireless Internet acces...[Details]
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Abstract: This application note describes the control path from input to output of the DS1870 LDMOS RF power amplifier bias controller and discusses the internal calibration process.
O...[Details]
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I learned microcomputer principles this semester~~ , the courseware is very awesome~~ hehe
There are a lot of original program designs of 8255A on the Internet~~ There are also many Proteus simulat...[Details]
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Real-time multitasking systems are widely used, almost penetrating into all walks of life, and the system classification is also very complex. In embedded systems, the real-time multitasking mechan...[Details]
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/script script src="http://pagead2.googlesyndication .com/pagead/show_ads.js" type=text/javascript /...[Details]
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In actual work, instrument and automation failures occur in a wide range, involving every part of the instrument and automation system, and the failures that occur are ever-changing and random. The m...[Details]
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0 Introduction
Using image
sensors
to sense the road traffic environment and obstacle positions ahead, measure the safe distance, and promptly warn cars in danger of collis...[Details]
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High-voltage inverters are commonly used in industrial applications for high-power, high-voltage (usually over 1kV) applications. They can provide higher output power and carrying capacity, and are...[Details]
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1. The experimental task uses the AT89S51 microcontroller to make a manual counter. Connect a tact switch to the P3.7 pin of the AT89S51 microcontroller as a manual counting button. Use P2.0-P2.7 of ...[Details]
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Led can be used as a tool for debugging programs: In the early stages of development of embedded system software, such as Bootloader and kernel, since hardware such as serial ports have not yet bee...[Details]
MCU
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