As the title says. I am using CE5.0, and the LCD driver architecture is based on ddraw. At the beginning, GWES loaded the LCD driver library, and there was no problem in running and entering the deskt...
[i=s] This post was last edited by dontium on 2015-1-23 11:33 [/i] When opa690 is used for small signal input, the high frequency performance is not good after the amplification factor exceeds 101. Wh...
Power supply design that achieves low leakage current while maintaining EMI performance In AC-DC switching power supplies, the main source of leakage current is the Y-type capacitor. By using transfor...
[size=3]It is generally acknowledged that engineers have high work pressure. As the [b][color=#800080]technology[/color][/b] update cycle shortens, the pressure is getting higher and higher. If you ar...
Seeing the word "instrument", people will easily think of commonly used test instruments in laboratories such as ammeters, voltmeters, and oscilloscopes. This course is not about discussing these gene...
A controller has 5 wires, namely GND, two inputs, and two outputs. How to connect the input and output to the transistor side and diode side of the TLP521-4 optocoupler? Please give me the PCB schemat...
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect 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]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Embedded System
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