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In order to make the infrared thermometer measure more accurately, point the instrument at the object to be measured, press the trigger to read the temperature data on the instrument's LCD, and make s...[Details]
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The circuit diagram of the LED module of the development board is as follows: The header file for the circular left/right shift function is "intrins.h" #include reg52.h #include intrins.h #defi...[Details]
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First, connect the two ports of the network analyzer directly, select S11 or S21, and calibrate the machine. Then connect the two ports to the two ports of the antenna respectively. The displayed rea...[Details]
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(1) Use a multimeter to test. A pointer multimeter with a ×10kΩ range can be used to roughly determine whether a light-emitting diode is good or bad. Under normal circumstances, the forward resistanc...[Details]
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Micron Technology, the largest U.S. memory chip maker, said on Wednesday it will invest $150 billion in chip manufacturing and research and development over the next decade as governments around the ...[Details]
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In this article, Andrew Wilson, senior product marketing manager of Vishay's tantalum capacitor division, and Florian Weyland, product marketing manager of Vishay's ceramic capacitors...[Details]
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about The memory problem of 51 MCU has always been a puzzled question for everyone, because 51 MCU is a very different MCU. Let me explain it to you: The reason why 51 MCU is different is that it add...[Details]
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RFID technology is maturing rapidly, and many countries are actively promoting it as an important industry. At present, China's passive UHF development is still in its early stages, and it is urg...[Details]
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Introduction: The timer consists of an 8-bit auto-reload up-counter with a programmable prescaler. It can be used as a time base generator with overflow interrupt function. The main function: (1) 8...[Details]
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Lam Research, a global supplier of innovative wafer manufacturing equipment and services to the semiconductor industry, recently announced the appointment of Mr. Ting Wang as Vice President of the co...[Details]
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Basically, the main function of the LED driver is to convert the input AC voltage source into an output voltage that can be adjusted with the LED.
Vf (forward conduction voltage drop changes ...[Details]
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The electronic rocking horse is made by installing a sound-emitting and light-emitting electronic device on the original wooden horse. When a child sits on the wooden horse and rocks it back and fort...[Details]
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Refer to "Wei Dongshan 1st Video" Lesson 09 Section 5 u-boot analysis_uboot startup kernel.WMV (1) Start the main kernel command: s = getenv("bootcmd"); debug ("### main_loop: bootcmd="%s"n", ...[Details]
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Today we are going to learn a case program of sequential start and reverse time stop.
Use buttons to control the start and stop of the six motors. When the start button SB1 is pressed, the sta...[Details]
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Soft starters and frequency converters are two different electrical devices that have different characteristics and performance when starting motors. This article will introduce the starting torque...[Details]
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