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The Samsung Galaxy S22 series flagship has been widely exposed before, and the new flagship phone in this series is expected to be released in February. Recently, British retailer BOX UK list...[Details]
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Analogic's AAT1451 is a four-way highly integrated and efficient white LED driver. The device's input voltage ranges from 5V to 26V, and can be input from DC, cigarette adapters or multiple lithium...[Details]
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In the development process of intelligent instruments, how to achieve online conversion of measurement range has always been a concern. The usual conversion method is to use a programmable gain amplif...[Details]
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CES – Venetian 3302 – Las Vegas, NV – December 20, 2019 – ON Semiconductor (Nasdaq: ON ), driving energy-efficient innovations, will showcase its latest LiDAR technology as a focal point of the compa...[Details]
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If we were to say who is the hottest player in the new energy vehicle market in 2022, it would be BYD. According to the latest published data, BYD sold 230,400 new energy vehicles in November, a year-...[Details]
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Overview Acrel-2000T wireless temperature measurement and monitoring system device is suitable for temperature monitoring of cable joints, circuit breaker contacts, knife switches, high-voltage cable...[Details]
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The under-screen camera technology is about to be mass-produced and commercialized, and true full-screen mobile phones are getting closer and closer. On August 10, blogger @钟文泽 posted a new ...[Details]
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According to the latest report released by IDC on Thursday: The global smartphone market suffered a bigger-than-expected blow in the third quarter of 2021 - after achieving double-digit growth in the...[Details]
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The typical circuit of the switching power supply made of UC3842 is shown in Figure 1. Overload and short circuit protection is generally achieved by connecting a resistor (R4) in series with the s...[Details]
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7. Serial communication The basic concept of serial communication is to use one line to receive RX and another line to send TX data. So when should we send? When should we start receiving? For exampl...[Details]
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EPS emergency power supply is a power supply system developed from UPS power supply . It is also a relatively economical and ideal emergency power supply developed in recent years. EPS emergency ...[Details]
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What is an electrometer? Like a digital multimeter (DMM), a Keithley electrometer is an instrument used to measure charge, current, voltage, and resistance. However, an electrometer goes beyond a sta...[Details]
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Digital tube display circuit diagram
51 MCU program code: #include reg51.h
#define UCHAR unsigned char
#define UINT unsigned int
sbit KEY=P3^2;
UCHAR table = {0x3f,0x06,0x5b,0x4f,0x66,0x6...[Details]
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Magnetic flap level gauges are widely used in liquid level indication in petroleum, chemical and other industrial fields because of their simple structure, intuitive and clear observation, no blockag...[Details]
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AC power control circuit is an important part of modern power system, which involves the control and regulation of AC power. In practical applications, there are many control methods for AC power c...[Details]