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...
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
In the test of the electronic ignition module, in order to simulate the real working conditions of the electronic ignition system, the electronic ignition module is often placed in an environment h...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
stm32/stm8
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