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...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]