The International Auto Modification Exhibition was held in Guangzhou International Purchasing Center. As the world's second largest automobile country, China's auto aftermarket also has huge business ...
[size=15px][font=微软雅黑][size=3] [/size][/font][/size] [align=left][size=15px][font=微软雅黑][size=3]{:1_107:}NXP's i.MX RT series of cross-border processors have been on the market for nearly two years. He...
I am working on a project to control the CAN bus SJA1000 with STC12C5A16S2. The hardware is already there. The CAN bus can send and receive. I want to add a 12864 screen. The 12864 and CAN programs ca...
About the problem of transistor driving the same voltage load and different voltage loadIf the microcontroller is 3.3V and the relay is powered by 12V, can it be driven by an NPN tube? I have seen man...
[i=s]This post was last edited by littleshrimp on 2015-12-10 16:15[/i] [font=微软雅黑][size=4]I wanted to get a high-end metal detector some time ago, so I could go out and look for treasures. [/size][/fo...
I would like to ask you all, when using LM3S to configure a PWM signal, the period of the PWM signal is fixed. How can I get the PWM frequency signal I want? If the clock period is 50MHZ,...
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]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[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]
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]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[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]
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]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[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]
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]
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]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[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]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]