Lesson 13: Writing LED Driver Program [/align][align=left][font=宋体]1.LED driver is a character device. We enter the character device driver directory of the Linux kernel and edit it. [/align][align=le...
Goodbye 2019, hello 2020! In 2019, I found my own direction of struggle. Because of this direction of struggle, I got to know the Electronic Engineering Welfare Club. In the Electronic Engineering Wel...
[i=s]This post was last edited by KJGL on 2020-4-18 09:18[/i]At first, I followed the tutorial and when I updated the firmware in the APP, the Bluetooth connection with the board was disconnected. I q...
[align=left][font=宋体]The manual of the development board says[/font]:[/align][align=left][/align][align=left][/align][align=left] [/align][align=left][font=宋体]When I enter these two commands in the hy...
I would like to ask whether the EX0 bit in the IE register of the 51 single-chip microcomputer and the IE0 bit in the TCON register are repeated. From the information in the figure below, aren't these...
When I first installed the driver, it showed as follows. Later I uninstalled the above driver and installed the new driver according to others' instructions, as shown below. Later I felt that it was n...
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[Details]
Preface
DS18B2 is generally used in conjunction with a single-chip microcomputer, and there are few reports on
the interface between
DSP
and DS18B20. Therefore, this article introdu...[Details]
introduction
Frequency characteristic tester
Also known as sweep frequency meter or frequency response analyzer, it uses a rectangular oscilloscope with internal scale as
a displ...[Details]
The embedded network module series products of Yingchuang Company all have a streamlined ISA expansion bus, which usually includes several address buses, 8-bit data buses, read and write control li...[Details]
Embedded System
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