Questions tagged [arduino]
Arduino is an open-source electronics prototyping platform based on easy-to-use hardware and software. It's intended for anyone making interactive projects. Questions about programming on an Arduino are off topic and should be asked on http://stackoverflow.com.
90
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How to identify computer through usb device?
Is it possible to identify to which pc usb device is connected inside usb device?
Dose computers send any identification information to usb device when you connect usb device to the computer?
Assume, ...
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0
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0
answers
64
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MacOS Ventura freeze/crash when i plug in my Arduino Nano Clone
I'm using a MacBook Pro 2013 Late with OpenCore Patcher. Currently Ventura 13.3.1 is installed. Before this version was installed, i had no problem using arduino on my MacOS computer. But right now, ...
- 103
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0
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77
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Can you convert hdmi to usb for mouse and keyboard?
I recently have been playing around with an Arduino/motor/transistor etc. I got the motor working but the next day I found that all my ports had stopped working completely. The only ports that worked ...
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0
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0
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22
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Arduino 2.0 can't find Arduino D1 mini on Xubuntu LTS 22.04
I have an Arduino D1 mini. I'm using the Arduino 2.0 IDE and the port tab is greyed out. In fact it can't find the D1 mini.
I know that it does work and the usb port works too (This arduino was given ...
1
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0
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88
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How to convert sensor SPI/I2C output to serial (RS-232)? [closed]
I have a home automation project which requires me to connect small, temperature/GPS sensor boards (normally used in Arduino/Pico project and output to SPI/I2C) to an industrial controller which uses ...
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1
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1
answer
67
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data recovery empty csv file created by arduino
Last week we launched a rocket, in which an Arduino saved the data of the sensor in a csv file. Every 30s the programme used myFile.close() and a new file was created.
But even if the chute deployed, ...
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1
vote
1
answer
485
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ESP32 UART device mounts to /dev/ttyUSB0 but immediately unmounts on Linux
I recently performed a system upgrade from Pop OS 21.10 to 22.04 (now on kernel 5.17.5-76051705-generic), after which I began to have issues with connecting my ESP32 via USB to my computer.
Before, ...
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1
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0
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660
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changing device and vendor id of Digispark Digikey
i saw a tutorial on null-byte on how to change the vendor id of a Digikey so that it could be programmed on macOS.
I'm on mac so I'm using my raspberry pi to program the usb. the tutorial said to go ...
1
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2
answers
2k
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Is there a way to run linux in arduino due like Ubuntu?
I'm new to arduino and I am interested in arduino. But i know Linux system are compatible with arm processors, and i know that the arduino due haves arm processor. Is there a way to run linux such as ...
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1
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Is it ok to delete the WCH.CN folder?
So I have a windows 10 dell laptop which is 64 bit and recently I was going to my C:\ drive to delete the windows.old folder but I noticed another folder called WCH.CN with another folder inside it ...
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1
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0
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30
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Port specific 48 port usb connecting 48 Arduino nano boards to a laptop
I have a rather large and complex design that requires me to send separate sketches / lookup tables to 48 arduino nano boards from my laptop. The laptop is 8 ft from the equipment so SPI won't work. ...
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0
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1
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34
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Can't Find Arduino Drivers Windows 10 Precision3560
I'm unable to upload anything to my Arduino Nano because it says it doesn't have the drivers for it.
I've tried going to the Device Manager and going to the USB serial to "update" the ...
1
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0
answers
146
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Bandwidth Concerns for 2 Webcams and an Arduino in a USB Hub
I'm working on a robotics project using an Arduino and two Logitech C920 Pro webcams.
I'm trying to keep everything nice and tidy so I thought I could connect the Arduino and the two C920s to a ...
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1
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0
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893
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Arduino Nano Serial Port error on Mac OSX Catalina 1.15.4
I have just recently bought my first Arduino board. Unfortunately when I went to upload my first sketch i got an error message saying that no serial port could be detected.
Under Tools>Ports I can ...
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0
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1
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255
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Arduino IDE crashes when I use 5GB heap size in _JAVA_OPTIONS
I originally posted this on stackoverflow, but they sent me here, so apologies for the copy-paste.
When I'm running the arduino IDE, it crashes, saying that "java could not create a virtual machine". ...
0
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1
answer
582
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How can work the local name resolution?
I have an Arduino Yun connected to my LAN as client, and this is not my dns server. I can reach it using its hostname: http://arduino.local
How can I reach it without a DNS record?
I ask to Arduino ...
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0
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249
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esp32 cam cannot upload please help me asap god will help you too
example file i used
CameraWebServer.ino
Arduino: 1.8.10 (Windows 10), Board: "ESP32 Wrover Module, Huge APP (3MB No OTA/1MB SPIFFS), QIO, 80MHz, 921600
esptool.py v2.6
Serial port COM6
Connecting......
0
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1
answer
122
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Can cheap Arduino Nano clones infect or damage my computer?
I recently purchased several Arduino Nano v3 clones from a merchant on AliExpress. I got them for around $2.00 each. I'm aware of the possibility that they may arrive damaged or just not working.
...
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1
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1
answer
81
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multiple physical USB conectors, single COM port?
I want to run a bunch of arduinos off a single computer, but I want all the arduinos to be in the same COM port. I don't mean having all of them plugged into a USB hub, I mean each different arduino ...
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0
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2k
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Cannot set up Arduino on Visual Studio Code
Never been able to get past the following message: "Cannot find Arduino IDE. Please specify the "arduino.path" in the User Settings. Requires a restart after change."
I realize that it is my error in ...
0
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1
answer
50
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How to launch Arduino after successful installation on Ubuntu
I've installed Arduino 1.8.9 for Linux 64 bits directly from arduino.cc website, on my Ubuntu 18.04LTS
After a successful installation I get the Arduino folder inside ~/Documents
However I don't ...
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0
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34
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File.read on arduino Yun resulting in characters not in the file
When attempting to run an xml parser on my arduino yun, rather than the expected results of the contents of the xml file I get the following.
Preparing to Parse
11:13:14.633 -> Ready to parse
11:...
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1
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338
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How to format a USB which uses attiny85 based microcontroller and has been programmed
I am making experiences on the Digispark USB with attiny85 micro-controller. So I programmed it so it can launch very basic keyboard strokes when plugged, i.e, when it is plugged, it open it tries to ...
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0
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1
answer
192
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unexpected characters preceding filenames when using LS
We have an Arduino Yun Rev 2 with extroot set up via the YunDiskExpander sketch onto a 32 GB sandisk microSD partitioned to have 512 MB for the extroot.
Oddly however whenever we use ls the results ...
1
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0
answers
178
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MicroPython REPL on Nodemcu not responding
I have been trying micropython on esp8266 nodemcu. I have flashed the nodemcu with micropython firmware and verified the operation. But when I try to open the REPL prompt in Thonny IDE, I get the ...
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1
answer
511
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Compilation error in arduino IDE while integrating with DHT11 sensor
I have added the DHT11 library already but I am still getting this below mentioned error while compiling. Kindly help me to fix this. Thank you in advance
Arduino: 1.8.9 (Windows 10), Board: "...
0
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0
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1k
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How to power on a computer after a power failure?
Background
I have a Ubiquiti Network Video Recorder (NVR) connected to an Eaton 3S 550 UPS. The NVR is basically a tiny PC running Debian, which records video from network cameras on the LAN. My goal ...
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1
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957
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Arduino IDE isn't starting on Windows 10
I've tried to restart my PC, uninstalled and reinstalled, and I've tried older versions but the thing still won't start. I've also turned off my antivirus and firewall but that didn't work either. I ...
0
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1
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584
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ESP32 cannot bypass Firewall
I am using ESP32 (which is Arduino based microcontroller with to connect to a Unity game I am building on my PC. I am using the PC as a WiFi Hotspot and the ESP32 is connecting to that hotspot using ...
1
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1
answer
3k
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MAC OS and Arduino IDE updated fails to compile ESP-12E NodeMCU 1.0
MAC OS updated last night to macOS version 10.15 Beta.
Today, Arduino IDE will not compile a sketch, even after
again downloading and installing the latest ARDUINO 1.8.9.
"Error compiling for board ...
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0
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50
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Arduino Uno no longer allowing me to upload my sketch
I’m trying to upload my sketch to my Arduino Uno but get the following error message:
avrdude verification error content mismatch.
Does anyone know what this means and what I need to do to fix this ...
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1
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63
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trying to make 2 motors to rotate at same time [closed]
im trying to make 2 motors to rotate at ones with the following skecth
#define MotorSpeed 7
#define MotorDirection 6
#define MotorSpeed2 5
#define MotorDirection2 4
void setup(){
pinMode(...
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1
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0
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40
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arduino mega 2560 wont show up anymore at al
i have a arduino mega 2560 with an atmega 16u2 chip and it always worked. yesterday i tryed to put it into all of my usb ports but it won't show up anywhere not in the arduino ide and neither in my ...
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1
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91
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Arduino power source
I am trying to connect an external power source to the arduino while attaching it to the computer. That is because the way I wired the circuit is so that the components directly connect to the power ...
0
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1
answer
2k
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How to represent a Carriage return (\r, ^M) as part of text over serial
I am trying to send a message including carriage returns (represented without pressing enter) over a serial connection. It works if i press enter with an open serial connection, but I have not found ...
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0
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475
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Link serial /dev/ttyUSB0 to /dev/ttyS0
I have a program that communicates with an Arduino through the serial port but somehow the Arduino is showing up in the computer as /dev/ttyUSB0 and not /dev/ttyS0, which is what the program is ...
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0
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219
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Arduino Uno not showing up in tty devices?
new laptop and I have never had this issue before. My arduino Uno doesn't show up in the tty devices.
lsusb:
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux ...
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1
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0
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517
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ESP32 less memory size [closed]
When i compiled my program it shows following error.
Sketch uses 1527594 bytes (116%) of program storage space. Maximum is 1310720 bytes.
Global variables use 58884 bytes (17%) of dynamic memory, ...
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0
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1
answer
61
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One Arduino board no longer recognized, but others are
I've been playing around with an Adafruit Neotrellis M4 but Arduino IDE is no longer recognizing it as connected. I've tried using the reset button but it doesn't seem to be doing anything. The LED on ...
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0
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2
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1k
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MQTT large delay between messages
I have a testing configuration which consists of a raspberry pi 3 b+ has a mqtt server, an esp32 with some led´s and a webpage to toogle them (webpage and esp32 are clients). For the esp32 i am using ...
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1
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543
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Arduino with HM-10 doesn't always receive the complete message that was sent [closed]
I am a beginner trying to communicate between an iPhone and an Arduino Uno.
I have an HM-10 BLE module device wired to my Arduino. I use it to send and receive messages from my iPhone. My Arduino runs ...
0
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3
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9k
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Arduino IDE path for VS Code setup
Arduino IDE installed as an App (in Windows 10), so this path ("arduino.path": "C:\Program Files (x86)\Arduino",) doesn't exist, what is the correct one?
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881
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Send Wake on Lan (WoL) request manually through the ethernet cable using an Arduino or Raspberry Pi
I'm trying to make a circuit that "intercepts" the ethernet cable before it enters the computer, allowing me to send a "Magic Packet" through the cable manually - by the press of a button for example.
...
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1
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0
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703
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Wake computer via Wake On Lan using Arduino/Raspberry Pi
Is it possible to use Wake On Lan (WOL) without going through the router? Using an Arduino or Raspberry Pi connected to the internet to manually (through the ethernet port) tell the computer to wake ...
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1
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1
answer
854
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MacOS connecting to bluetooth module
I have lots of issues connecting Mac OS Mojave to my sparksfun Bluetooth module RN-42.
I can pair my Bluetooth module to my Mac, but after several seconds, the connection goes away. However, for the ...
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0
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1
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27
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Raspberry install Application on Windows PC at boot [closed]
I am not sure if this es even possible or if I just was searching for the wrong term.
The Goal is that a Raspberry (or Arduino) controls some LEDs. Which of the LEDs is turned on will be sent by a C#...
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1
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1
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913
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Could overvolting the USB port on a laptop cause battery drain issues?
So yesterday I was working on a project with an Arduino Mega. The Arduino was being powered with a 9V battery plugged into the 5v and GND pins on the board. I needed to make some changes to the code, ...
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2
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0
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168
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Create WiFi Network (WITHOUT TETHERING) using ESP8266 CP2102 Arduino? [closed]
Hi no idea if this is possible, but thought I would as some of you smart folk.
So I have a holiday home WITHOUT WiFi, but I have a phone with unlimited 3G/4G connection and an Arduino WiFi module ...
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0
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1
answer
215
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DHCP fixed client not working
I have been trying to set a static IP address through a router to an Arduino that uses DCHP connection, the thing is that I have tried this in multiple routers but it keeps changing the IP address ...
0
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1
answer
103
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Arduino IDE changes Com Port from 3 to 5 - why?
Have Arduino IDE 1.8.1 set up on Com Port 3. Works fine with Adafruit Uno board. Plug in another Adafruit Uno Arduino board, that does not work properly, and IDE changes Com Port 3 to Com Port 5. Why,...
