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data exchange between Arduino & PC fails - making clear to use pyserail correct
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By News Staff · Posted
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By the420kid · Posted
They pulled this same crap with Google Workspace. "hey you get AI now so we are raising your prices". I disabled it for my org but we still have to pay. F this stupid 1984 tiny hat spy crap. -
By Sagar Naresh · Posted
Samsung could unveil its Galaxy XR headset ‘Project Moohan' in September by Sagar Naresh Bhavsar Next month, Samsung is expected to unveil the Galaxy Z Fold7, the Galaxy Z Flip7, and an affordable Galaxy Z Flip7 FE, along with the Galaxy Watch8 series. However, the launches don't end there. A fresh report out of South Korea hints that Samsung could launch its much-awaited Galaxy XR augmented reality headset in September. The company has codenamed its first XR headset as "Project Moohan," which translates to "Project Infinite." Samsung has already showcased the Galaxy XR headset a few times in the past. In fact, popular tech YouTuber Marques Brownlee - also known as MKBHD -, got his hands on the Galaxy XR and revealed interesting details about the upcoming device. The Galaxy XR is rumored to come with a sharper display compared to the Apple Vision Pro and run on Google's new operating system for AR and VR headsets, the Android XR. Fast forward to now, Korean publication Newspim reports that Samsung is ready to launch the Galaxy XR headset on September 29 in its home country. Notably, the headset will be unveiled at an Unpacked event and later will go on sale on October 13. Globally, the Galaxy XR headset is expected to launch soon afterwards, though any specific date isn't mentioned. Additionally, the report suggests that fans can expect more teaser videos and prototypes of the headset at the upcoming Unpacked event for the Galaxy Z Fold7 and Flip7. The report also spills some details about the specifications of the Galaxy XR headset. Under the hood, it could run on Qualcomm's new XR2+ Gen 2 chip, made using Samsung's 4nm process. Samsung is also expected to introduce tight integration with its Galaxy ecosystem to offer a connected experience. It will be interesting to see how Samsung holds up against the likes of Meta, which already dominates the XR market, while Apple struggles with high Vision Pro prices. -
By Gerowen · Posted
I've put it behind a login for the time being. I had something like 600,000 requests from just from Alibaba IP addresses that didn't clarify they were bots or scrapers, and so not easy to block using user agent filtering. I didn't have any issues with bandwidth or accessibility, but that's 600,000 requests just from one cloud provider made to my spinning rust hard drives, that I have to personally pay for when they die, by bots being ran by corrupt mega corporations ignoring my polite requests that they not scrape me and that the information only be accessed by real humans. If any of y'all here were actually using my Kiwix mirror, I have no issue whatsoever creating a username and password for you, just hit me up using one of the methods listed on my personal site and I'll make one for you. https://marcusadams.me -
By computerdave91111 · Posted
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Question
tarifa
Hi, there at all good day dear community
I'm trying to create a communicate betwheen Arduino and my PC> The host-pc runs on windows. At the moment my code is just very simple: What is aimed: i just want to switch on a LED when i send data from the host to the Arduino: But this is actually not working. i struggle a bit with this piece of code.
By the way: i make use of pySerial.
Findings: when i try to send the data to from the host (in other words the pc )to my arduino the led TX blinks but the part of my code which is right behind the if ( serial.available()>0) doesn't run at all - i am pulling my hair.
Here is tbe full code: i begin with the Python part
import serial serie=serial.Serial() serie.baudrate=9600 serie.port= 'COM4' serie.parity=serial.PARITY_ODD serie.stopbits=serial.STOPBITS_ONE serie.bytesize=serial.EIGHTBITS if serie.isOpen(): serie.close() serie.open() serie.isOpen() serie.write("hello".encode
and here we have the Arduino code:
int ledPin = 9; byte incomingByte; void setup() { Serial.begin(9600); pinMode(ledPin, OUTPUT); } void loop() { if (Serial.available() > 0) { incomingByte = Serial.read(); digitalWrite(ledPin, HIGH); } delay(1000); digitalWrite(ledPin, LOW);}
well - i tried to look at a full python sample code that uses pyserial, i have the package and am wondering how to send the commands and read them back!
again: what is aimed: Use the Arduino ide to turn the Arduino LED on and off.
import time import serial # configure the serial connections (the parameters differs on the device you are connecting to) ser = serial.Serial( port='/dev/ttyUSB1', baudrate=9600, parity=serial.PARITY_ODD, stopbits=serial.STOPBITS_TWO, bytesize=serial.SEVENBITS ) ser.isOpen() print 'Enter your commands below.\r\nInsert "exit" to leave the application.' input=1 while 1 : # get keyboard input input = raw_input(">> ") # Python 3 users # input = input(">> ") if input == 'exit': ser.close() exit() else: # send the character to the device # (note that I happend a \r\n carriage return and line feed to the characters - this is requested by my device) ser.write(input + '\r\n') out = '' # let's wait one second before reading output (let's give device time to answer) time.sleep(1) while ser.inWaiting() > 0: out += ser.read(1) if out != '': print ">>" + out
what i have taken from the Arduino-specs;
- i think that the usage of "PARITY_ODD? does not help here - since Arduino does not handle PARITY.
- guess that i have to try it with PARITY_NONE.
and subsequently: most Arduinos reset when we open the serial port of them. That will give us a certain delay of a few seconds during which time the Arduino can not receive data from your PC (and it will be lost).
so i have to deal with this time somehow!!?
above all: i sure have to do some tests and have to learn to use the referenced Arduino code and how to use pyserial.
Dear community - i do some tests and will try to digg deeper in that sort of problems.
above all: i am so glad to be here at this great place of idea-sharing and knowledge-exchange. : to be here at this place is just great - and a overwehelming experience to me.
plz - keep up this great place - it is one of the best places for all programming and internet things i ever have experienced
i love this forum!!!!
keep up the great project - it rocks!!
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