The PHY of the Gigabit electrical port outputs 4 pairs of differential lines to the transformer. Some products use 100-ohm matching resistors (two 50-ohm resistors in series) on each pair of different...
Development environment installationIncluding CDK installation and USB driver installation.
Both CDK and drivers can be found from the resource download page in the chip open community.
CDK needs to i...
I made a transmitter with STC12C5A60S2, and wanted to use PWM-style D/A conversion to output 0-5V analog voltage. I added a voltage follower later, but it stopped outputting at 3.75V. I don't know wha...
Hello friends: I'm currently working on CC2530's PWM duty cycle adjustment, using T3's 1-channel PWM with adjustable duty cycle output; the initialization procedure is as follows: /*******************...
[i=s]This post was last edited by star_66666 on 2018-4-28 17:33[/i] [color=#444444][font=Tahoma,]I was busy with work and research on lwip, usb, etc. some time ago. This week I officially started to s...
Beijing time, June 6 morning news, according to foreign media reports, in order to cope with the current economic crisis, many Internet and media companies may divest non-core assets. In the economic ...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]