The Blackboard is a circuit board with 24 capacitive touch pads, 9 customizable LEDs and a Raspberry Pi Pico.The new HID functionality is fully customizable and can use 24 buttons and 9 LEDs at the sa...
The design of analog circuits is the most troublesome but also the most fatal design part for engineers. Although the development of digital circuits and large-scale integrated circuits is very rapid,...
The paper introduces the structure and technical characteristics of embedded systems, focuses on the technical characteristics of two embedded operating systems, and discusses the key technical issues...
As IoT solutions gain popularity in the global consumer market, smart speakers are becoming an important part of home consumer electronics. Smart speakers now generally feature on-demand virtual assis...
I have learned about the measurement circuit of pt1000 before, but it is very inaccurate. I would like to ask for your advice! [img]file:///C:/Documents%20and%20Settings/Administrator/Application%20Da...
I use a PIC microcontroller and an MC45 (GSM) module. The 50-pin of the hardware circuit MC45 is directly plugged into the 50-pin slot of the microcontroller. The MC45 pins I use include TXD0, RXD0, a...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[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]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[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]
introduction
Caller ID delivery (CID) is a service provided to the user's phone. The method is that the originating switch transmits the caller number and other information to the terminal swi...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]