[color=black][font=宋体][size=11pt]Hello experts, I am developing a [/size][/font][/color][color=black]LCD[/color][color=black][font=宋体][size=11pt] display control program based on [/size][/font][/color...
[i=s]This post was last edited by dontium on 2015-1-23 13:24[/i] The system structure is as follows: AD->FIFO->(SDRAM)->DSP. The brackets here refer to the fact that FIFO and SDRAM are connected to th...
We all know that there is nothing special about LED power supplies. Their only feature is that they require constant current and voltage limiting. Moreover, they work under full load for a long time, ...
Lesson 19: Writing a KEY driver 1. This lesson uses the input subsystem in the Linux kernel to modify the content. 2. The principle of the case diagram in the development board is as follows 2424948 b...
[i=s]This post was last edited by dontium on 2015-1-23 13:28[/i] I keep seeing single-channel and dual-channel ADCs on the Internet. What exactly are they?...
[font=微软雅黑][size=4] Thank you for your strong support for the EEWORLD Download Center. In just a few months, the Download Center has collected nearly 30,000 high-quality materials. :congratulate:[/siz...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
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]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[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]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]