I want to use the lower 8 bits of PORTA to send out D0-D7 data, and the upper 8 bits are also used as GPIO other function ports (both input and output), so how do I write the lower 8 bits of data outp...
[i=s]This post was last edited by Doudou Lanyan on 2015-12-18 21:51[/i] [align=left][size=12px]The following are the circuit diagrams from the three articles: In each circuit diagram, a capacitor is c...
They are both cc2500, but the modules are different. One uses a SMD crystal oscillator, and the other uses a plug-in crystal oscillator. I write the same configuration program for both of them, but th...
[i=s]This post was last edited by dcexpert on 2016-7-1 11:22[/i] [font=Tahoma, Helvetica, SimSun, sans-serif]In order to use the Nucleo expansion board, I specially modified and compiled the firmware ...
Beijing Huaqing Yuanjian Technology Information Co., Ltd. (hereinafter referred to as Huaqing Yuanjian) is a leading embedded technology service organization in China, the first IT training organizati...
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
In a network-centric battlefield, all systems (platforms) are interconnected nodes that work together to provide mission-critical information to military personnel. This approach is driving the dev...[Details]
An important manifestation of the green revolution is green transportation. Electric vehicles have emerged as the times require, and their market demand is also showing an increasing trend. The long c...[Details]
How to skillfully measure the internal resistance of a magnetoelectric microammeter
81C3, 81L3 50μA magnetoelectric microammeters are commonly used by amateur electronics enthus...[Details]
Abstract: This paper introduces an A/D conversion hardware circuit and software implementation based on 80C196 single-chip microcomputer. By using the 10-bit A/D converter and PWM output of 80C196 ...[Details]
The renewable energy market is rebounding strongly from the global financial crisis. Previously delayed or suspended projects have been restarted, and many new projects are being implemented. This ups...[Details]
As the coverage of communication networks expands, outdoor site construction methods are increasingly accepted by the majority of users, and the usage is gradually increasing. According to the site co...[Details]
Abstract: This paper introduces the design and implementation of frequency division infrared remote control switch circuit. There are many types of remote control switch circuits. The frequency div...[Details]
0 Introduction
As cars become more and more common in families, car thefts occur frequently. According to incomplete statistics, the number of car thefts in China reaches 100,000 per year. Aimi...[Details]
Netbooks continue to lead the trend last year and have become the latest development concept. New laptops and netbooks are moving towards a thin and light volume, and the backlight of their panels is ...[Details]
Light guide plate
Introduction:
The design principle of the light guide plate is derived from
the
liquid crystal
display screen
of the laptop computer
. It is ...[Details]
In fact, every DC/DC IC (whether step-up or step-down) can be connected to drive a constant current LED. Now we will take KZW3688 and CE9908 as examples to introduce the connection methods and char...[Details]