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Many people have the habit of using different charging heads to charge their mobile phones, but they don’t know that doing so will damage the battery of the mobile phone. Recently, China Mobile Termi...[Details]
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The ground resistance tester is a handheld grounding measuring instrument. The instrument is equipped with accessories necessary for testing. The instrument is equipped with two jaws: a voltage clamp...[Details]
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The STM32 watchdog has two WWDG and IWDG. The biggest difference between the two is that IWDG has only one lower limit for feeding, while WWDG, as the name implies, must be fed within a range to ensu...[Details]
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On the morning of January 13, Adobe abandoned support for Flash Player a few weeks ago and strongly recommended that all users immediately uninstall the browser plug-in for security reasons. St...[Details]
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It can be used to measure DC voltage, DC current, AC voltage, resistance, etc. Some multimeters can also measure AC current, decibels, power, inductance, transistor parameters, etc. There are two typ...[Details]
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In a recently updated support document, Apple said that its new MagSafe charger will be limited to 12W peak power delivery when used with the upcoming iPhone 12 mini, while all other iPhone 12 models...[Details]
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Recently, local millimeter-wave radar company Xingyidao Technology announced that the company has successfully delivered the first batch of millimeter-wave radars to Vietnam's new car-making force Vi...[Details]
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Power MOSFET has the advantages of low on-resistance and large load current, so it is very suitable for use as a rectifier component of a switching power supply (SMPS). However, there are some pr...[Details]
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The "danger" and "opportunity" of Huawei's supply chain. Huawei's inclusion in the "Entity List" by the United States this time has brought difficulties and obstacles, but also brought opportunities ...[Details]
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The Federal Communications Commission (FCC) of the United States has introduced a series of test requirements for various mobile transmitters. These mainly include the corresponding regulations an...[Details]
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In order to increase the average value of the rectifier output voltage and reduce the heat loss of the transformer, a power diode VD is connected in parallel at both ends of the load with the p...[Details]
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#include reg51.h typedef unsigned char uchar; typedef unsigned int uint; void delay(unsigned int i); //Function declaration char DelayCNT; //define variables sbit P10=P1^0; uint Count=0; fly n=...[Details]
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1 Introduction
MAX1524 is a small, step-up DC-DC converter produced by MAXIM Company of the United States. It can be used in various topologies such as boost, SEPIC, and flyback types. Featuring...[Details]
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Schematic Test light, connected to GPIO peripheral B, Pin 12 Example Prerequisite: the project template is established #include "stm32f10x.h"void delay(u32 i)
{ while(i--);
}void led_init...[Details]
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In the power system, the excitation current is the current flowing through the generator rotor winding, which is used to generate a magnetic field. The magnitude of the excitation current directly ...[Details]
MicroPython Open Source section
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