1) My ARM9 chip is connected to a MAX3243, which is an RS232 driver/receiver. What is the function of this chip? 2) ARM9 already has an internal UART, why do we need an external one? If it is external...
How to use FRAM_GUI on the Ferroelectric Development Board? The FRAM_GUI on the TI website cannot be opened. Has anyone used it? An error occurs when opening it. The error is shown in the attached pic...
The LSM6DSOX motion sensor is a sensor with an embedded finite state machine and machine learning core.
It can be used for wrist raising detection, mobile phone approaching or moving away from the ear...
nmgST Sensors & Low Power Wireless Technology Forum
The DS1302 clock chip is used to display time and date, and it has the function of adjusting time and date. "Week" is displayed through P0 port, "time" or "date" is displayed by common cathode LED con...
[align=center][size=5][b]Basic Part: TIMERB (Timer B)[/b][/size][/align] Here I want to complain to EEWORLD. Why can't the pictures be displayed when posting articles from the blog? I have to post fro...
I am a newbie who just learned msp430149. I used the sample program in the CD of the learning version I bought to control the nrf905 transceiver. Now there are three problems. I hope that those with e...
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. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[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]
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
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]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[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]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[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]
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]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]