Questions tagged as 'arduino'

Tagged questions
0
answers

Communication between Android Studio and Arduino

Good afternoon! I'm making an application in Android Studio and trying to communicate with Arduino through the Apache library, such as "org.apache.http.HTTPResponse" and I'm not succeeding. At all times my Android Studio informs you that y...
asked by 08.10.2015 / 20:19
1
answer

Send Arduino String to C # via Serial

I need to send Arduino Strings to C # in real time via Serial communication. In the arduino code I'm using the following to send: if (Serial.available()) //se byte pronto para leitura { switch(Serial.read()) //verifica qual caracter...
asked by 06.02.2015 / 12:40
1
answer

Arduino leds lighting without pressing the button

I do not know the reason, but the LEDs light up even if I do not push the button. int button = 12; int led1 = 2; int led2 = 3; int led3 = 4; int led4 = 5; int led5 = 6; int led6 = 7; int buttonState = 0;...
asked by 30.05.2018 / 21:05
1
answer

Arduino (C ++) send variable to page in PHP [closed]

I have the following code in C ++ in Arduino int variavelemc; variavelemc = 10; And I have the following code in PHP $variavelemphp = $_POST['variavelemc']; How do I pass variavelemc to $variavelemphp ? Additional Infor...
asked by 08.10.2018 / 14:37
1
answer

COM serial port

I'm trying to run a code every time, where it takes the value sent by the Arduino COM port, prints it in a textbox, and then generates an insert in the mysql database. It just read what was sent by the COM port and does not execute the insert...
asked by 03.04.2017 / 15:26
1
answer

Arduino DHT11 how to adapt to this code?

How can I use the dht11 sensor here? #include <SPI.h> #include <Ethernet.h> #include <SD.h> // size of buffer used to capture HTTP requests #define REQ_BUF_SZ 60 // MAC address from Ethernet shield...
asked by 17.02.2017 / 12:38
3
answers

Bluetooth communication between android and arduino for interaction with grbl

How to Android then connect to Arduino through a Bluetooth module to Arduino receive data. I just need to understand what part of Android would be a Bluetooth Serial. I found this code in the Internet it realizes...
asked by 24.04.2018 / 15:38