#include
#define uchar unsigned char
#define uint unsigned int
uchar code shuju[]={0xc0,0xf9,0xa4,0xb0, 0x99,0x92,0x82,0xf8, 0x80,0x90};voidys(uint a)
{
uint b,c;
for(b=0;b
What are you analyzing? You...
When the 51 MCU sends a string, all the characters displayed on the serial port debugger are "0\". During debugging, I display each character on LCD1602 first, and then send it to SBUF, but the comput...
MUC regularly collects temperature (epidermis), motion sensor (accelerometer) signals, and uses micro piezoelectric ceramics and rubber pads to sample the pulse vibration on the inside of the wrist. D...
[size=4]1. MCU selection [/size] [size=4] When selecting an MCU, you need to consider the functions that the MCU can perform, the price of the MCU, power consumption, power supply voltage, I/O port le...
Hello everyone: This circuit seems to be a phase detector, which can separate the real part (R) and imaginary part (Xc) of impedance Z into a DC voltage output. The following is my understanding: U4C ...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
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Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
1. Driver IC Product Range
IR provides users with a variety of driver integrated circuits from single-phase to three-phase bridge. All types use highly integrated level conversion technol...[Details]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
MCU
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