95066-533H

　　As shown in the figure, it is the circuit and production of FM walkie-talkie composed of TDA7010T+LM386. IC1 adopts TDA7010T or TDA7050T, IC2 adopts LM386 or BA5386, NJM386, IC3 adopts L7806, BG1 a...[Details]

On November 18, Jiangsu Yancheng Economic Development Zone held a concentrated start-up and completion ceremony for electronic information industry projects. According to the news released by Yanch...[Details]

Intertek Shanghai Photovoltaic Laboratory, a global third-party quality and safety service organization, recently announced in Shanghai that in order to improve its service level, the laboratory will ...[Details]

1) extern — external variable declaration  If you want to use some variables in a C program file but their prototype definitions are written in another file, then these variables must be declared as ...[Details]

Principle: Using the FVR voltage regulator inside the microcontroller, the ADC detects whether the VDD voltage of the microcontroller is sufficient, and outputs the display if it is insufficient. Ap...[Details]

Due to its abundant reserves, magnesium has become a promising lithium alternative for cost-effective, high-capacity solid-state batteries, but the poor conductivity of solid magnesium ions (Mg2+) at...[Details]

Abstract: An isolated transformer-driver IC (MAX845) and small external transformer produce an isolated gate-control signal for a power FET. Designers of power electronic circuits must often drive...[Details]

      Recently, Apple released the official version of iOS 13.7, version number 17H35. 　　According to the update notification, iOS 13.7 specifically adds the COVID-19 coronavirus exposure notificati...[Details]

In order to keep up with the times, MCU companies are constantly strengthening peripheral combinations and security, and some companies are even adding time-sensitive networking (TSN). There is no ...[Details]

1. Introduction Liquid flow control is usually achieved by solenoid valves. In recent years, the structure and control mode of solenoid valves have changed . With the entry of computers into the contr...[Details]

introduction Caller ID delivery (CID) is a service provided to the user's phone. The method is that the originating switch transmits the caller number and other information to the terminal swi...[Details]

Autopilot is also a good weapon for Tesla to make money today.   After nearly a year, Tesla's fully autonomous driving function has made a comeback along with price cuts and promotions.   Including t...[Details]

utilities.h #ifndef UTILITIES_H_INCLUDED   #define UTILITIES_H_INCLUDED      typedef unsigned char uchar, BYTE, uint8;   typedef unsigned int uint, WORD, uint16;   typedef unsigned long ulong...[Details]

The core of DLP digital projection technology is the DMD chip , which has millions of micro-mirrors, which reflect the light source onto the screen directly to form an image by flippi...[Details]

Abstract: Aiming at the test specification of switching power supply , this paper analyzes and thinks about the index form of input voltage affecting output voltage, the index f...[Details]