I use EVC development language to implement a web browser under WINCE. There is a function in it, which is "Automatically adapt to the screen". Once this option is selected, the y coordinates of all t...
The circuit is as shown. The input signal is required to be 1MHZ peak-to-peak 2V. When I designed the phase shift to be 45 degrees, I took the capacitor C to be 1nf, and the resistor was calculated to...
TIM5-TIM8 of STM32F103ZET6 does not work, but TIM1-TIM4 works fine. TIM2-TIM5 is a general-purpose timer, but TIM5 has the same configuration as TIM2\3\4, but it does not work. The same problem occurs...
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
1 Introduction
The multifunctional monitor is a commonly used clinical medical device. It can display the patient's electrocardiogram (ECG), respiration (RESP), blood oxygen saturation (SP...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
This article first briefly introduces the working principles of current mode and voltage mode and their respective advantages and disadvantages; then discusses the ideal voltage mode using output c...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pres...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
Most
embedded
systems are powered from a 48V backplane. This voltage is typically stepped down to a lower intermediate bus voltage of 24V, 12V, or 5V to power the circuit board racks withi...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
Abstract: This paper introduces the controller, interface, display principle and driving method of the handheld computer LCD display based on the SA1110 microprocessor. Combined with the HPC projec...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
0 Introduction
One of the basic tasks of machine vision is to obtain image information from the camera and calculate the geometric information of objects in three-dimensional space, so as ...[Details]
1 Introduction
With the rise of my country's automobile industry, the demand for related in-vehicle electronic products is growing, and has become a research and development hotspot in the...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, as more safety electronic devices, fuel consumption and fuel emission control electronic s...[Details]
Analysis of automotive sensor testing requirements
At present, the control system used in automobiles can be functionally divided into three parts: sensor unit, control unit and execution ...[Details]
Embedded System
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