Questions tagged [arduino]

For questions related to the IoT applications that use Arduino. If question is about software or hardware issue with Arduino, consider whether asking it at Arduino Stack Exchange would be more appropriate.

127 questions
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IoT app and software

I'm new to IoT and this is my first project, I didn't find the answer to my question anywhere. Is there an app for Android and Windows software that can control an Arduino device from different places at the same time? It has to have dynamic IP…
Anya
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3
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run arduino code without a usb cable connected to a computer

I am using sim7000E with arduino uno and i want to be able to run it without a computer. I tried to connect it only with the power supply with the correct power and again it doesn't run my code. Does anyone know what i can do in order to fix it?
user8937
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Arduino MKR 1300 LoRa library and RTC problem

I have a really weird problem with the Arduino MKR 1300 and the use of the RTCzero library. Simply put when I use both of them the data does not get sent and I have no idea why. The alarms when not trying to send data work normally and the…
BryceSoker
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How could I do a HDMI channel mapper?

I have two HDMI displays, and five sources. I want to map them programatically using an arduino e. g. I say I want the first input on the first output and the third input on the second output. And it should also be able to put the same input on both…
tvili999
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2
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How to control homework writting machine with IOT

It consists of (CNCsheild, Arduino UNO, 2-stepper motors and servo motor), It works with GRBL Plotter and Inkscape. I am new at learning IOT. I want to know what is the needed components and software that I should add to control the motors.
Salma
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Particle.io argon delay time as var

I have everything working wonderfully but I want to accomplish one more thing and I'm not sure how to go about it. Part one to this question: Under command=="loops" I have a delay() function. I want to be able to sent this time from the dashboard or…
Kelly
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vote
1 answer

What is the difference between Particle Photon, Argon, Xenon, Boron, etc?

For one project I have used the Particle Photon, an IoT device similar to Arduino, and am considering changing to a different device for another project (a motion detector that has its own question). I can't find the difference between Particle…
miguelmorin
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Plotting data from arduino via server

I'm sorry if I'm not posting this question on the wrong part of stackexchange, but I have no idea where to go with my needs. I have an arduino sensor that meaasures a quantity every day. The goal is to plot that data on a website provided by my…
1
vote
0 answers

In atmega128 bootloader.hex file missing

I want to use atmega128. I have added atmega128 with the help of Megacore . But bootloader.hex file is not generating when I compile the file. Now, what can I do to solve the problem.
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Predictive Data Logger Device

I'm searching for an IOT componenet/device/automaton that logs date/time when it is used(button presses?), and has a simple output(Vdc probably) that turns on automatically over time when machine confidence builds up and monitors itself for…
Sam
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0
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1 answer

Adding RTC Library for Arduino Project in Visual Studio

I am working in an Arduino project in visual studio. I need to get and set time to a RTC clock. That's why I am adding a ds3231 header file in my project from GitHub. When I want to build "it's showing me linking error. cccSeqVu.ltrans0.o*:…
0
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1 answer

Arduino MKR GSM/NB + CAN + SD Card

I have some questions about a new Arduino project I'm starting: Since Vodafone (Italy in my case) is shutting down 3G in 2021 (keeping 2G/4G up apprently), is ARDUINO MKR GSM 1400 still valid in next years? Does Arduino MKR NB 1500 work with…
Gorgo
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1 answer

ultrasonic sensor reflecting waves in water or not

When an object is kept opposite to an ultrasonic sensor, it reflects the waves. In case the object is water, does it reflect or not? How does one know?
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Arduino Serial Error

I am using Arduino ATmega2560. I have defined Serial as CONSOLE. When I am using CONSOLE it shows me error. #include "Arduino.h" #define CONSOLE Serial; void setup() { CONSOLE.begin(9600); } void loop() { CONSOLE.println("Hello"); …