I found that EP9315 LPC3250 and other products all have internal MAC. I wonder if the 10\100M MAC is adaptive? Do I need to connect any other chips to use it directly? Is it different from using DM900...
[size=4] The design of electronic products is becoming more and more modular. Different functional modules can be organically combined to quickly create high-quality products with different performanc...
This article uses the Smith chart as a design guide for RF impedance matching. It gives an example of plotting reflection coefficient, impedance, and admittance, and uses the graphical method to desig...
Waft-UI component learning ( 2 )
Following the previous test of the components in waft-UI , this time we will continue to test the picker , switch and card .
1. Learning the picker component
Waft-UI p...
It is used in high temperature (boiling water) salt water, and requires salt corrosion resistance. It can detect the water level change of 2 to 7 cm. The total water depth in the test box is 2 to 20 c...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
As a single-host multi-slave bus system, the number of slave devices that can be connected to a 1-Wire bus is almost unlimited. In order to avoid logical conflicts, the 1-Wire bus interfaces of all...[Details]
Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
0 Introduction
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
The small size and low cost of home appliance control boards mean that high-cost materials will not be used in the circuit to solve the electromagnetic interference problem. The interference of hom...[Details]
Complex circuits and 3D EM simulation tools have reached a point where complex system-level behavior can be simulated before fabrication. Performing EM simulations simultaneously with circuit simul...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communications since the advent of digital communications. Many new wireless commun...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
1. Introduction
The balance ability
of human beings
is the basis for people to carry out various sports. People need
balance ability
to stand, sit, lie down and walk
. Once
...[Details]
Touch sensors have been in widespread use for many years, but recent advances in mixed-signal programmable devices have made capacitive touch sensors a practical, value-added alternative to mechani...[Details]
1 Introduction
Economic development has prompted people to continuously improve their security awareness. When traditional local analog monitoring methods gradually fail to meet the needs of l...[Details]
This paper introduces the technology and application of optical transceiver modules and digital non-volatile variable resistors in optical communication networks, and focuses on the design and appl...[Details]
1. Introduction
Most of the existing heaters use traditional devices such as electric heating tubes and electric heating wires for heating. The outer shell of the electric heating tube is a ...[Details]
In electronically controlled gasoline injection engines, the oxygen sensor used for closed-loop control of the fuel system is an important electronic component that monitors the oxygen content in t...[Details]
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