Summary of CycloneIII clock resources and PLL pin assignment issues (reprinted from others' original work )In the project, compilation warnings are found as follows:PLL "name" output port name feeds o...
I am doing my graduation project and hope to use stm32 to make an ultrasonic distance measuring device. Now I want to receive ultrasonic echo signals and use the PWM input capture mode of the timer, b...
As the title says, I want to use F28M35 for multi-port serial control. After checking the datasheet, I found that many pins are multiplexed. So what is the point of having 6 serial ports? Is there som...
Atmel picoPower Lab: Basic tips for saving power: https://training.eeworld.com.cn/course/26Introduces basic power saving techniques that can be used with all AVR microcontrollers...
Based on W79E2051 single chip microcomputer and LED constant current dedicated driver chip MBI5026, a simulated meteor shower LED control circuit is designed. The LED uses high brightness white, and 3...
On behalf of the people of the ancient city of Xi'an, I wish a happy new year to EEWORLD netizens. Welcome everyone to visit Xi'an when you have time, try some roujiamo, mutton soup bun, and cold nood...
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]
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]
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]
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]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[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]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
FPGA/CPLD
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