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Recently, good news has come from both China and the United States in the field of intelligent network connectivity. The Ministry of Industry and Information Technology of China recently issued an an...[Details]
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0 Introduction
GPRS is a data transmission network developed on the basis of GSM. Compared with the wireless trunking method, GPRS data transmission makes full use of the public mobile communic...[Details]
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In order to summarize the learning experience of PIC16F616 microcontroller some time ago and facilitate communication, I wrote this article about the learning experience of PIC microcontroller, which...[Details]
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Varistor is a resistor device with nonlinear volt-ampere characteristics. It is a protection device. Its English name is "Voltage Dependent Resistor", abbreviated as "VDR", or "Varistor". It is sen...[Details]
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I recently completed a brushless DC motor speed control project. I consulted various blogs and papers written by experts. Here I will just make a small summary: (PS I recently encountered a related...[Details]
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This weekend, there was a lot of negative news about imported Mercedes-Benz and BMW cars, which made investors around me ask whether the spring of domestically produced cars is coming. Today, we have...[Details]
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Infineon Technologies AG, a global semiconductor leader in power systems and the Internet of Things, announced the launch of the XENSIVTM sensor expansion board for Arduino, a versatile tool d...[Details]
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With the rapid development of Internet, the mutual promotion of communication and computers, the requirements for power supply quality of precision electronic equipment used in them, such as comput...[Details]
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When measuring the DC resistance of a transformer using the bridge method, the following points should be noted: (1) Since the transformer inductance is large, the ammeter switch can only be closed ...[Details]
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1. Circuit working principle
The circuit principle is shown in Figure 18. When there is no light, the resistance of the photoresistor RG is very large (more than 1MΩ), the voltage of the 2nd an...[Details]
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Samsung Galaxy Note 10 series smartphones have been officially released recently. Galaxy S10 broke more than a dozen records related to mobile phone displays in previous DisplayMate tests, and the Dy...[Details]
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Today, Lenovo Mobile officially announced that Lenovo Z6 Pro 5G will start pre-sale on November 28, supporting 5G full network access, and the 8GB+256GB version will be priced at only 3,299 yuan. ...[Details]
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1. Files needed to build a development environment ST library: https://pan.baidu.com/s/1Nt5SCaaZZ2RjLcYtT7UApg ST-Link v2 driver and Keil4 development tools: https://pan.baidu.com/s/1ibcL8XlMVW-o...[Details]
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The diode mode of the multimeter is mainly used to measure the forward voltage drop of the diode, while the buzzer mode is also called the on-off mode, which mainly measures the on-off of the circuit...[Details]
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In October, Qualcomm issued a security warning, saying that there were serious vulnerabilities in as many as 64 of its chipsets. Since the vulnerability was already exploitable when it was first ...[Details]
Microcontroller MCU
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