Recently, I have been studying some applications of 2.4G chips. Generally, such chips are connected to MCU through SPI or IIC interfaces, and the control effect is achieved by programming SPI or IIC t...
I designed a peripheral board for maple, and I hope you can give me some suggestions on the wiring .illustrate
1. Functional module description
1. Relay part
Signal input : PIN9, PIN8
Output : PIN9-A,...
When the GPIO port of the LM3S series is configured as a backup function, do some related function pins need to be configured as the same GPIO series port? For example, when configuring the QEI functi...
Selling GT2440 development board, booted about 20 times, contact QQ: 468169201, I haven't used it much since I bought it, and now I'm about to graduate, I want to sell it, or change to another board :...
After reading the first five chapters of the book, I feel it is very good, from the basics to the practical. As the saying goes, there are a hundred Hamlets in the hearts of a hundred readers, and eve...
I wrote a CCP capture program for infrared decoding. Why does it run normally in PIC16F877A, but not when it is transferred to PIC16F690? The interrupt and main function are the same, and the CCP conf...
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[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]