Questions tagged as 'arduino'

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clock with several alarms in arduino

I'm doing a project with arduino and when I compile it I want the menus to appear for the different alarms and change the time but it does not appear Can you tell me what the error is? #include <Wire.h> #include <LiquidCrystal_I2C.h&g...
asked by 13.03.2018 / 00:08
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Arduino GSM / GPS problems

Good Colleagues, I have a project where I send my coordinates to a database in Mysql, I use the SIM808, which brings for GPS / GSM. The idea is to be sending coordinates to the server through the GET method The problem I have is that I call t...
asked by 17.01.2018 / 17:32
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Connect ArduinoUno + Sim808 + Firebase

Good Colleagues days ago I am trying to connect my Arduino Uno to Firebase through the Sim Module 808, I have the following code, but I can not insert data to Firebase, specifically I have not achieved the connection. If anyone had a clearer exa...
asked by 04.12.2017 / 20:28
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How can I maintain a constant data send to a URL in Python?

Good afternoon friends, I am somewhat desperate with an error I get when sending data captured by an arduino, which sent them through the COM port to a Raspberry and within this I execute the code in python to capture the data (these data are co...
asked by 30.11.2017 / 21:57
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How to call the variable where the amount of lux of the sensor tsl2561 is stored?

Good friends, this is my first question and I am new to this ... no more.  How can I call the sensor variable tsl2561 where the lux data is stored? I understand that it is in the library of said sensor but I do not know how to call it a...
asked by 27.11.2017 / 16:10
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How do I change the text of a label when I run the application on my cell phone in App Inventor?

I am creating an android application with App Inventor that communicates via Bluetooth to an Arduino, the problem is that I have a label and I want the user to be able to modify them to his liking when using the application on his mobile phone....
asked by 24.10.2017 / 18:32
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Arduino Leonardo Firebase

Hi, I'm using an Arduino Leonardo board, and an esp-8266 module, and I'm having problems with the FirebaseArduino library. I get the following error: Arduino:1.8.3 (Windows 10), Tarjeta:"Arduino Leonardo" In file included from C:\Users\Mario\...
asked by 05.07.2017 / 20:52
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Firebase Database Post Arduino GPRS

I'm trying to perform a "post" operation in Firebase Database with a GPRS module. The AT commands of the modem are sent with an Arduino Uno GPRScommand("AT+CIPSEND", ">", "yy", 10000, 1); / delay(500); GPRSboard.print("POST .json?a...
asked by 19.06.2017 / 16:56
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What do I do if my arduino board says it has a problem with the sketch?

The program tells me this:    Sketch uses 862 bytes (2%) of the program's storage space. The maximum is 32256 bytes.   Global variables use 15 bytes (0%) of dynamic memory, leaving 2033 bytes for local variables. The maximum is 2048 bytes.   ...
asked by 19.06.2017 / 11:44
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How can I validate a login using HTML and an ARDUINO plate?

They sent us at the university to make a small "Web Server" with login and redirect to a main page where it will be a simulation of an FTP server. The truth is that I am too lost with C and the Arduino. I am very frustrated, since I try to do a...
asked by 04.04.2017 / 00:14