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LM339 application
Circuit
Figure: The LM339 integrated circuit has four independent voltage comparators installed inside. The characteristics of this voltage comparator are:
small offset volta...[Details]
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Advantech, a global embedded computing company, is pleased to announce the launch of the ROM-5620 SMARC 2.1 core module based on the NXP ARM® i.MX 8X SoC, which completes Advantech's core module prod...[Details]
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Abstract: ZigBee Alliance and Thread Group issued a joint statement, announcing that they will implement ZigBee's application layer protocol on the Thread network architecture. It is designed to ...[Details]
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1. Introduction
Ceramic kilns generally refer to firing equipment for firing ceramic products. The roller kiln's quenching fan and dehumidifying fan are both centrifugal fans. The traditional ...[Details]
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LaunchPad key debounce test, recommended timing method 1 #include msp430g2553.h 2 #define TYPE 0 //0 Timing 1 Delay 3 void main(void) 4 { 5 WDTCTL = WDTPW + WDTHOLD; // Sto...[Details]
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TV Box:
There are some differences between USB external video boxes and PCI TV cards. Although they can both play TV and capture video, in theory, USB external video boxes have better TV receptio...[Details]
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According to Liaoning Daily, in the first four months of this year, Dalian's total foreign trade import and export value reached 133.06 billion yuan, of which exports were 59.49 billion yuan, a year-...[Details]
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illustrate
NS4216 is a differential input, ultra-low EMI, filter-free, 20W (10W×2) dual-channel Class D audio power amplifier. The chip has two control terminals to control the left and right ...[Details]
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With the rapid development of my country's radio industry and the widespread application of new radio technologies and services, the number of radio stations has increased dramatically, and radio inte...[Details]
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We know that the root of intelligent devices lies in the development and application of embedded systems (embedded system development process). With the continuous development of electronic technology...[Details]
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Moog (NYSE: MOG.A and MOG.B), a designer, manufacturer and service provider of high-performance motion control products and solutions, will exhibit a range of innovative technologies at the 2019 Chin...[Details]
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The measurement voltage of the megger is high, and the commonly used ones are 500v and 2500v. The voltage of the megger is relatively low, the highest is 9v laminated battery. If there is a fault poi...[Details]
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#include "reg51.h" #define FOSC 18432000L #define BAUD 115200 #define NONE_PARITY 0 //No parity #define ODD_PARITY 1 //Odd parity #define EVEN_PARITY 2 //Even parity #define MARK_PARITY 3 //Ma...[Details]
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In the past year, the global economic weakness and the industry development cycle have caused the overall growth rate of the LED lighting industry to decline, and the export growth rate has also decl...[Details]
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LED installation precautions
I. Current usage:
(1) Since LED has the characteristic that the current increases rapidly with a slight increase in voltage.
(2) Excessive current will cause the LED...[Details]
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