The global variables are defined in the header file myhead.h:
union unit16{struct bit_def{char b0:1;....char b15:1;}bit;
unsigned int word ;};
union unit16 ControlR;
#define AO1 ControlR.bit.b0
#defin...
[size=5]I got the LCD working today!! [/size] [size=5][color=#ff0000]But there is a problem. Beaglebone must be powered on first. If they are powered on together, Beaglebone will not work. The reason ...
DIY mobile phone + Blue Rain Night Material preparation During this period, I have been selecting components. First prepare the necessary components, buy what should be bought, apply for what should b...
Please help me, I want to use 74hc595 to realize this function: #include "stc12c5410.h" #define uchar unsigned char #define uint unsigned int #define CAT=p1_5; #define STB=p1_6; #define CLK=p1_7; //St...
If I put the interrupt for reading IIC in the timer interrupt, the program will die. If I put it outside, it can run normally. The interrupt time is set to 4ms. Reading 6050 data in the timer interrup...
I need to add infrared support recently. I use 2440 and connect an infrared receiver to the board. I want to add infrared. Are the drivers used for infrared and serial ports the same? Or do I need to ...
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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
The automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]