Let’s talk about the advantages and popularization trends of LED fluorescent lamps.
1. The production threshold of LED fluorescent tubes is relatively low. There are a wide variety of ready-made acces...
I use ACLK as the timer clock source, in up-counting mode, to output PWM to control the LED brightness, but the actual output PWM is unstable, and the oscilloscope shows that the period and duty cycle...
I made a few ATMEGA8A samples some time ago. Today I finally have time to try them. It is worth mentioning that this chip is refurbished and only costs 3 yuan. After soldering it, I first wrote a prog...
By Rob Cosaro, NXP Semiconductors The ARM Cortex-M0 core brings the LPC1100's power consumption figures in line with current low-power microcontrollers, but the core is far more efficient than current...
[color=#000][font=宋体, "][size=13px]The best way for enterprises to turn the company's money into their own is to invest in movies and TV. [/size][/font][/color] [color=#000][font=宋体, "][size=13px]1: T...
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]
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
In order to ensure the reliability of the driving assistance system and the basic functions of the car, and also to leave suitable connection interfaces for the car's future new entertainment and ...[Details]
1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[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:
Using TMS320F2812 DSP chip as the control unit, without any gate control device control, the rich software resources of DSP 2812 are used to achieve equal precision measurement. A...[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]
Agilent Technologies Inc. has announced a new Unlicensed Mobile Access/Generic Access Network (UMA/GAN) test capability on 3GSM that is both extremely affordable and easy to use. The industry's fi...[Details]
Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
The main factor causing cost variation in digital display devices today is the display screen. In the design phase, continuously promoting platform-based display design decisions can greatly reduce...[Details]
Use physical methods and electronic technology to automatically detect intrusions occurring in the monitored area, generate an alarm signal, and assist on-duty personnel in notifying them of the ar...[Details]