When I use the ADS7846 touch screen control IC, every time I read the coordinate value, the PENIRQ pin will automatically pull high regardless of whether my hand leaves the touch screen. I don't know ...
In order to obtain high-power LED devices, it is necessary to prepare suitable high-power LED chips . The common methods for manufacturing high-power LED chips internationally are as follows:
① Incr...
[size=5] There are two ways to match the bus. One is to add matching resistors. A 120Ω matching resistor should be connected between the differential ports VA and VB at both ends of the bus to reduce ...
[i=s]This post was last edited by Wince.Android on 2015-5-11 17:28[/i] [p=26, null, left][color=#362e2b][font=Arial]I referred to an article about porting WIFI driver to Android and recorded it down. ...
The forum is in the stage of development, and perhaps more and more sub-forums will be established one after another. However, there are many essential pillars that this forum needs. Do they need to b...
[i=s] This post was last edited by Feiyangzi at 2019-1-3 13:48 [/i] Following [url=https://bbs.eeworld.com.cn/thread-1065909-1-1.html]https://bbs.eeworld.com.cn/thread-1065909-1-1.html[/url], we will ...
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]
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
Emulation Features
Emulation provides a set of standard operations for integration and debugging. Some of its main features are as follows:
BreakpointsA
common feature of emulatio...[Details]
This summary will introduce the transmitter characteristic test of TD terminal products - uplink power control. According to the 3GPP TS34.122 standard, UE uplink power control is divided into uplink ...[Details]
As the whole equipment is becoming increasingly miniaturized and power-saving, low-dropout linear regulators (LDOs) with low power consumption are becoming the mainstream in the market for linear regu...[Details]
Portable devices with audio functions (such as portable media players and multimedia mobile phones) require long audio playback time, that is, long battery life. To extend the battery life of port...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[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]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
Demand Analysis
In an era of rapid information development, the process of electronicization of the financial system has also been greatly accelerated. As a platform that provides services 24 ...[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'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]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
With the continuous emergence of new technologies and the increasing complexity of DSP real-time systems, there are more and more different types of external devices. Writing drivers for these exte...[Details]