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...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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]
a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[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]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
ARM Technology
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