[table=98%][tr][td]Some of my experiences in using PLC: 1. System design and equipment selection a. Analyze the equipment or system you want to control. The main purpose of PLC is to control external ...
Single chip parallel port. Serial port driving TFT color LCD screen Now only show the microcontroller parallel port driving TFT color LCD screen program, using INTEL8080 interface, only need the micro...
This board also has a simulator and an acceleration sensor or ferroelectric sensor, which is perfect for learning. You can DIY a lot of interesting things with the parts at hand:)...
My project is a digital clock, I want to build one first. I have some time these two days, I went to the electronic parts store and bought four red 1-inch LEDs, with a common cathode. My design is lik...
[Routine test]
As mentioned earlier, my environment cannot adapt to the onboard DAP debugging tool, so the subsequent development can only be done with an external J-Link. The reason for the failure m...
Newly produced pyb-L series low power development board.Features :STM32L476RG microcontroller (L4 low-power series)
USB type-c interface
Current test interface
Onboard 3.3V low power LDO, supports ext...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
Industrial Control Electronics
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