[color=#333333][font=tahoma, arial, simsun]This board is a simplified version of BBB. Compared with the full version, it lacks eMMC, HDMI, USB and other components! The schematic diagram is the same a...
#include
unsigned int time[100];//Used to store level durationunsigned int i; unsigned char shor;//Minimum duration 0.05ms short unsigned int lon;//Maximum duration 20ms long unsigned char end;//Used ...
1. What do you study in college? The main difference between college students and non-college students is definitely not whether they have mastered a professional skill... A person who insists on a wr...
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;ENTITY light ISPORT(clk,reset,sensor: IN STD_LOGIC;green_1,green_2,red_1,red_2,yellow_1,yellow_2 : OUT STD_LOGIC);
END ENTITY...
I bought an STM32F030 board and an F072 board. Both boards have ST-LINK. I disconnected the jumper connecting the ST-LINK and the CPU on the board, and used the ST-LINK's SWDIO and SWCLK to connect to...
[i=s] This post was last edited by qwqwqw2088 on 2017-1-10 20:48 [/i] Stylish appearance, 0-100km/h acceleration of 3.2 seconds, and a range of 440km, these are the data that Tesla Model S shows to pe...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[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]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
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