First write the teacher's program here and study it slowly.#include string.h#include "..\inc\44b.h"#include "..\inc\44blib.h"#include "..\inc\iic.h"volatile int f_nGetACK; //Get interrupt response fla...
Suppose I now have a microcontroller based on the Arm core, and I have a development platform based on this microcontroller. Now I want to add a multimedia chip (such as SMIC 968 or a simpler chip) to...
Today is a working day for office workers, but it is raining today. There are so many people on the road. I left home at 6:30, but it was already 9 o'clock when I arrived at the office. I was so worri...
Windows CE / ARM system development tool - Xarm Xarm is a development tool launched by the Blitz Force team to promote Windows CE / ARM technology and celebrate the 60th anniversary of Israel's indepe...
A unit circuit refers to a controller circuit at a certain level, or an amplifier circuit at a certain level, or an oscillator circuit, a frequency converter circuit, etc. It is the smallest circuit u...
ATmega16A only has 1k SRAM. I need at least 8k to collect a lot of data, but I don't want to change the chip, so I plan to expand the memory. How can I do it? Since SPI needs to connect to the sensor,...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[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]
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]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[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]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]