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Mobile phone battery charger program made by STC12C2052AD microcontroller #include STC12c2052ad.h #include intrins.h #define uchar unsigned char #define uint unsigned int #define AD_SPEED 0x60 //...[Details]

0 Introduction Multi-point temperature measurement systems are widely used in the industrial field and its national production. For example, in the chemical industry, it is often necessary to d...[Details]

  #include pic.h #define uchar unsigned char #define uint unsigned int #define CS RA5 float secs = 0; fly minutes = 0; uchar hours = 0; unsigned char disbuf = {1,2,3,4,5,6,7,8}; void delay_ms(uint ...[Details]

Ultrasonic waves have good directionality, strong penetrating power, and are easy to obtain concentrated sound energy. Based on these characteristics of ultrasonic waves, the effective distance det...[Details]

As housing in city centers becomes increasingly crowded, how to reasonably solve this problem is a problem faced by many designers. MIT's black technology is emerging in an endless stream. Recently,...[Details]

Recently, Apple's stock price has maintained a vigorous upward channel, almost always setting new highs, both in terms of stock price and market value. Although the epidemic has not yet ended globall...[Details]

Bloomberg's Mark Gurman said today in his "Power On" newsletter that Apple's first event of 2022 could take place in March or April. Gurman said a new iPhone SE with 5G support and a faster chip coul...[Details]

introduction A/D converters are often used in the design of intelligent instruments. Among the commonly used A/D converters, 7135 is the most widely used. It has 41/2-bit A/D conversion accuracy, str...[Details]

As the core part of uninterruptible power supply, inverter is widely used in communication, finance and other fields. In addition to meeting basic indicators such as volume, weight, and electromagneti...[Details]

"As long as traditional car companies start making electric cars, there will probably be only one non-traditional electric car company in the world that can survive, and that is Tesla. The others wil...[Details]

According to news on October 18, the merger plan of NAND flash memory chip manufacturer Kioxia and Western Digital (WD) ushered in new variables. It was reported that South Korean memory giant SK Hyn...[Details]

First, let's take a look at the working process of USB.                    When a USB device is connected to the host, the host begins to enumerate the USB device and sends instructions to the USB ...[Details]

The 51 series MCU code is as follows: #include reg52.h //Call the MCU header file #define uchar unsigned char //unsigned character macro definition variable range 0~255 #define uint unsigned int //Un...[Details]

　　 Principle of illuminance meter 　　An ordinary pocket electronic illuminance meter uses a photoresistor as a photoelectric conversion device, which includes a DC power supply, a voltage conversion ...[Details]

Soft start and star-delta start are two common motor starting methods. They have certain differences in starting current, starting torque, starting time, etc. Soft Start Soft st...[Details]