Now there is a coordinator and two routers 1 and 2. Now we want to let router 2 connect to the network through router 1 and then exchange data with the coordinator . But how can we be sure that router...
[size=4]Thanks for your participation. Thanksgiving is coming soon. Although it is a foreign holiday, it is necessary and meaningful to have a grateful heart and say thank you to all the people and th...
I wrote another program for 149 to communicate with pca9685, but it doesn't work well. The response signal is detected but there is no pWM output. The program is as follows. Please give me some advice...
This time, we discuss a hot topic related to technology: Are pure electric cars really more environmentally friendly than fuel-powered cars? Why?
I hope the answer is not just a simple yes or no, but ...
This book systematically introduces the failure analysis technology of electronic components and typical analysis cases. The book is divided into the basic part and the case part. The basic part expla...
Hello everyone! I want to use the LT3480 switching regulator, with an input of 25V, an output of 3.3V, and an output current of 0.3A. I checked the table (efficiency vs. load current) and found that 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]
The radio frequency identification (RFID) market is experiencing strong growth, with sales reaching $1.7 billion in 2004 and expected to reach $5.9 billion in 2008. This surge in demand is driven b...[Details]
As a branch of signal and information processing, digital signal processing has penetrated into various fields of scientific research, technological development, industrial production, national defens...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
0 Introduction
Today, with the rapid development of electronic technology and the emergence of new multifunctional electric energy meters, the choice of memory in the electric energy m...[Details]
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitation...[Details]
introduction
Taking care of babies is very tiring because they wake up and sleep frequently, and activities such as feeding and changing clothes will take up a lot of adults' time and energy. ...[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]
When using GPS for positioning, it will be affected by various factors. The factors that affect the accuracy of GPS positioning can be divided into the following four categories (see the figure be...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[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]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
Global IP Solutions (GIPS), a leading provider of high-quality IP multimedia processing solutions, announced that GIPS has enabled Voice over Internet Protocol (VoIP) capabilities for Apple's iPhon...[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]