[i=s]This post was last edited by lb8820265 on 2020-9-13 19:13[/i]HID (human interface device) is also called human-machine interface device. Our common mouse, keyboard, game controller, etc. are all ...
The buttons ID_BTN_CIRCLE and ID_BTN_RANDOM need to use pictures to make CheckBox functions, and determine the selected and unselected states according to two global variables. Then change these two g...
The microcontroller used is MSP430F5438, which is an older one. But it has more serial ports, so I still like it.
When using the SPI hardware interface, initialize the program code:
void halCom3Init(v...
Now the MCU is an STM32 chip, and the GPRS module is a Huawei GTM900. By searching for information, if the protocol stack inside the module is not used, you have to implement the PPP protocol and TCP/...
Yesterday I wrote a program using the firmware library in the CoIDE environment. Today I want to use the method of operating registers and configure registers in the same way as 51 and msp430 microcon...
I found that there are quite a lot of information about S5PV210 on the Internet. I also studied and researched S5PV210 PWM on Baidu. I got this PWM today, so I will report my learning progress to you ...
Project Overview
The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific g...[Details]
As the whole equipment is constantly miniaturized and power-saving, low-power-consumption low-dropout linear regulators (LDO) are becoming the mainstream of the linear regulator market for switching p...[Details]
With the rapid development of digital technology, various digital display screens have emerged, including LED, LCD, DLP, etc. There are various control systems for various digital large screens, in...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
Today, various applications such as consumption, computers, industry and instruments urgently need compact and effective power solutions, while also meeting the requirements of efficiency, fast tra...[Details]
Introduction With the continuous development of economy, people's demand for automobiles is increasing day by day. Correspondingly, automobile consumer groups are becoming more and more mature. It...[Details]
Introduction
The home ECG and blood pressure monitoring system consists of a data acquisition and recording device and a host computer electronic medical record management system. Therefor...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
In recent years, the development of automotive electronic technology has significantly improved vehicle safety performance. One of the technologies that is expected to be widely used is the tire p...[Details]
Abstract: By controlling the supply voltage of the radio frequency (RF) power amplifier (PA) in a CDMA/WCDMA cellular phone, the PA efficiency can be improved, heat generation can be reduced, and t...[Details]
0 Introduction
At present, most of the automatic blood pressure monitoring systems used in hospitals are imported equipment, which are expensive and increase the cost of medical treatment. The...[Details]
1. Introduction
The balance ability
of human beings
is the basis for people to carry out various sports. People need
balance ability
to stand, sit, lie down and walk
. Once
...[Details]
0 Introduction
GaAs photocathode is a negative electron affinity photocathode with the advantages of high quantum efficiency, concentrated energy and angle distribution of emitted electrons. T...[Details]
Electrochemical Principles of Blood Glucose Measurement
The electro-biochemical principle of blood glucose measurement is that when a certain voltage is applied to the blood after the enzy...[Details]