-
The following is a matrix keyboard program for the stc89c52 microcontroller. The keyboard is connected to port P0 and displayed on port P2. #include reg52.h #define uchar unsigned char #d...[Details]
-
According to foreign media SlashGear, with the help of AirPods, Apple is expected to have the largest share in the wearable device market in the long run. According to the unit shipment data of ...[Details]
-
On December 4, according to a digital blogger, Huawei will hold a HarmonyOS 2.0 mobile developer Beta event on December 16. The highlights and agenda of the event have now been announced. Image sou...[Details]
-
2.1 Von structure and Harvard structure 2.1.1 The difference between the two If it is an independent storage architecture and signal channel, it is a Harvard structure, otherwise it is a Von structu...[Details]
-
On January 20, Xiaomi 11 Lite and Redmi K40 obtained the Russian EEC certification. The Russian EEC certification page announced the model numbers of these two new Xiaomi phones. Among them, ...[Details]
-
First, check the bottom board schematic of TQ210: We can see that two LEDs are connected to the GPC0_3 and GPC0_4 pins of the S5PV210. Here we use NPN transistor, which has the function of amplif...[Details]
-
LEDs can generate light in 5 nanoseconds, while the reaction time of an incandescent light bulb is 200 milliseconds, so the automotive industry has applied LEDs to brake lights. This article will ...[Details]
-
1 Introduction This article will introduce how to use the CubeMx tool to create an SD card-based file system from scratch, for reference by those who will use this function in the future. 2 Preparat...[Details]
-
Abstract:
Crane speed regulation technology has a long history of development, from DC speed regulation to AC speed regulation, from AC stator speed regulation technology to DC thyr...[Details]
-
1. System design
This system is based on the application development of the classic C51 series single-chip microcomputer, and is a digital control system that integrates ambient temperature signa...[Details]
-
The grayscale of LED display is also called color scale or grayscale, which refers to the degree of brightness. For digital display technology, grayscale is the determining factor of the number of ...[Details]
-
Tianyancha shows that vivo has added a number of patent information recently, one of which is called "Wireless reverse charging signal transmission system and electronic equipment", with the publicat...[Details]
-
In the early days of the Internet, some people said, "You never know if the person on the other end of the computer is a man or a woman." Today, with the development of artificial intelligence, you m...[Details]
-
#include
#include macros.h
#define uchar unsigned char
#pragma data:code
const uchar string1 ="AVR 单片机12684 ";
void RDBZ()
{
PORTD&=~BIT(4);
PORTD|=BIT(5);
PORTD&=~BIT...[Details]
-
The PT100 temperature sensor is a temperature measurement device widely used in the industrial field. Its working principle is based on the characteristics of platinum resistance changing with temp...[Details]