;Only display the hour and minute RG_KEY EQU 30H;Store the keyboard value RG_KN EQU 33H;Store the number of buttons for adjusting the year, month, day and week. RG_BT1 EQU 31H; data to be displayed is...
1. Last year, the process operating system RTthread was still very popular. Here, the fans are accelerating innovation and launching new concepts. How about combining arm-m4 and FPGA? Take a look at t...
I just saw a fun thing online, called a sun jar. The principle is very simple. Get a solar panel to charge a NiMH battery, then use a photoresistor to detect the external light, and turn on the LED wh...
I have only been in contact with Zigbee for a short time, but I want to use Zigbee to collect some temperature, humidity, smoke and infrared data. Here, three nodes and a coordinator are used. A probl...
I used to use stm32f103, but now I need to use LM3S8962. I have a TI evaluation board, but I can't download the program using MDK, so I use IAR instead. Since I don't have an IAR project, it's very tr...
[align=left][b]Chapter 7 Buzzer Experiment[/b] In the previous chapter, we introduced the use of STM32's IO port as output. In this chapter, we will use another example to explain the use of STM32's I...
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[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]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
Almost everyone in a student dormitory has a bedside lamp. But if you want to read for a while after turning off the lights and don't want to disturb your roommates' sleep, you may need a reading l...[Details]
The fluorescent lamps and energy-saving lamps we commonly use now have greatly improved luminous efficiency compared with the earlier ordinary incandescent lamps and have been widely used. With the...[Details]