This is for questions about the official IDE. The open-source IDE makes it easy to write code and upload it to any Arduino board. It runs on Windows, Mac OS X, and Linux.
0
votes
1answer
38 views
Open the Uart0 Serial Port on Intel Edison
I'll preface this buy saying I am very new to working with Arduino boards or hardware in general.
I am attempting to follow a tutorial on instructables
...
0
votes
0answers
11 views
Integration of Mobile camera using Arduino UNO
I need some help,I want to to add a wireless camera on to my robotic car,and I don't want to buy the wireless camera rather I want to integrate my Android mobile camera with Arduino Uno only,so can ...
0
votes
1answer
38 views
Arduino IDE says fcould not convert 'pinMode(buttons[((inti)], 0u)' from 'void' to 'bool'. How do I fix
Alright, so this code is for a game that is a power source connected to 6 buttons at ports 1, 2, 9, 11, 12, and 13. These are consequently supposed to light up 6 LEDs, each connected to 1. If you ...
1
vote
0answers
30 views
Loop completion and resetting [duplicate]
Alright, so this code is for a game that is a power source connected to 6 buttons at ports 1, 2, 9, 11, 12, and 13. These are consequently supposed to light up 6 LEDs, each connected to 1. If you ...
-1
votes
0answers
49 views
Would a button being pressed be a PinB? Also, assuming ports 9, 11, 12, and 13 are pressed, how would one go about distinguishing between them all
Would a button being pressed be a PinB? Also, assuming ports 9, 11, 12, and 13 are pressed, how do you distinguish between them all?
So my code now looks like:
int ledPin1 = 1;
int ledPin2 = 2;
int ...
1
vote
1answer
90 views
A whole basic game project Arduino
Firstly, I know that I have already posted this. I do not think anyone here is stupid so:
The game is: a power source connected to 6 buttons connected to 6 LEDs. you press them all in the randomly ...
1
vote
0answers
41 views
array shuffler if-then and output question
I have an array shuffler code right 1) How do I use an if-then statement to say if all buttons pressed in order, then LEDs blink 3 times?Thank you.
code:
void setup() {}
void loop()
{
int ...
0
votes
1answer
15 views
Advanced Line Follower robot
I know about line follower mainly the grid solving robots i know the basics actually. Actually they have to trace the path of the grid in an arena and then reach back to starting point in a shortest ...
0
votes
1answer
32 views
Esp8266 V12 Wiring
I have tried a Google search and cannot find any place that tells me exactly how to wire the version 12 esp8266 ,
How should it be wired for normal operation and for flashing ?
I am designing a diy ...
0
votes
0answers
20 views
Is my leonardo broken? Is there a way to make it work?
backgrounds
I bought arduino leonardo and connect it to Ubuntu 15.04.
With arduino IDE 1.0.5(from Ubuntu official repo) running in sudo, the arduino was recognized as /dev/ttyACM0.
So I tried to ...
0
votes
1answer
30 views
Arduino: Error: 'PubNub' was not declared in this scope
I'm new to Arduino. When Arduino verifies this sketch https://github.com/MediaTek-Labs/Real-Time-Bicycle-Tracking-Map-using-PubNub throws the following:
Build options changed, rebuilding all
...
0
votes
1answer
9 views
How come the console prints error `avrdude: usbdev_open(): did not find any USB device “usb”`?
How come when I try to push a sketch to my Arduino I see this error on the console? The subsequent sketch does not work.
avrdude: usbdev_open(): did not find any USB device "usb"
I've already ...
3
votes
3answers
82 views
Program an ATMega328P and use it without Arduino board
I'd like to use an ATMega328P for my project, I hope to do it without the arduino board.
I know with the Arduino IDE and an Arduino board I can program the microcontroller. However, would it be ...
1
vote
2answers
34 views
using more than 8 temperature probe of DS18B20 on Arduino
I am trying to use more than 8 temperature DS18b20 on one bus. Is there any problem to make it work?
0
votes
0answers
16 views
ADK USB Programming
I have an Arduino Mega ADK. I want to send data[the state of LED in Blink Sketch] using the in-built USB port. What should be my code to access the USB port for data transfer???
0
votes
1answer
33 views
error: expected primary-expression before ',' token
I'm gettng an error "error: expected primary-expression before ',' token" in the following line of code - I have initialized an array with 220 ints. What am I doing wrong here?
const PROGMEM int ...
0
votes
1answer
19 views
A question about including libraries
I'm a beginner in creating my own libraries so the following might contain some stupid stuff.
Anyways, I'm using NRF24L01+ modules for wireless communication and I've been utilizing the magnificent ...
1
vote
2answers
34 views
Why PJ0 and PJ1 are not reporting as PCINT pins
When the sketch shown at end-of-question is compiled and uploaded to an Arduino board, it is supposed to Serial-print a list of available digital pins, showing for each pin whether it supports PWM or ...
2
votes
1answer
44 views
My mega only works on 1.0.1 IDE
My mega usb/serial adapter died some time ago, so I bought an external FTDI programer wich I got working on 1.0.1 IDE. I can load any program to the mega, even complex led matrix driver I wrote myself ...
0
votes
1answer
16 views
how to create a specific buffer when there is no buffer message in the data packet?
So I'm trying to understand a read method. In this method,
// Read data from buffer
int SoftwareSerial::read()
{
if (!isListening())
return -1;
// Empty buffer?
if (_receive_buffer_head == ...
0
votes
2answers
33 views
How to find the deferenced value of a transmit Port Register?
So I am working with the SoftwareSerial library. I'm looking at the write function and I see a *reg value being manipulate. I want to find the value of *reg so I traced the value by stepping into each ...
0
votes
1answer
86 views
Can a ESP8266 and a HC-SR04 be friends?
I have some existing code that I've been using with an Uno and a HC-SR04. In order to make my project less expensive, I'm trying to port everything over to a ESP8266-01.
The last hang up I've been ...
0
votes
1answer
26 views
Arduino Pro Micro Analog Pinouts
I have the Arduino Pro Micro and I would like to use all the analog pins that I can on it.
It currently looks like it has a total of 9 Analog pins that can be used.
A0, A1, A2, A3, A6, A7, A8, A9 ...
0
votes
2answers
52 views
Standalone Arduino
I have an Arduino Uno and I am using arduino 1.0.5 IDE. I followed he procedures for bootloading an atmega328P-PU on a breadboard using an Arduino Uno from the link:
...
0
votes
1answer
85 views
How to connect arduino directly to mysql server using the url?
I started a project with my arduino MEGA2560 that get some values from sensors. I'm using Mysql Connector, https://launchpad.net/mysql-arduino , and this lib allow me to connect to a server using the ...
0
votes
1answer
46 views
Integrating two Arduino Ethernet libraries in one sketch
I am trying to integrate two different Arduino Ethernet libraries, EtherShield and UIPEthernet in one sketch.
EtherShield library is used to control LEDs via Android mobile application. While ...
0
votes
1answer
49 views
Why did my program stop working when I eject the serial cable like it did an auto reset?
Arduino Uno based on 328p micro-controller board only works while I am inserting the serial cable between the board and the computer and I can control the speed of my two motors and every thing is ...
0
votes
2answers
31 views
Consulting and inserting a string into an array if it doesn't exist (Arduino IDE) 1
Sorry that I repeat my question, I can't enter to my user...
In the project I'm doing, I connect an arduino mega with ethernet and Post some Strings to the server. The arduino mega has a ...
0
votes
0answers
19 views
Consulting and inserting a string into an array if it doesn't exist (Arduino IDE) [duplicate]
I have an empty array, and what I would like to do is
listOfSensors[]={}
void funtion (String sensor){
if (sensor is inside listOfSensors){
//dont do anything
}
else {
...
1
vote
1answer
34 views
Adafruit_NeoPixel define pin for different setups
I am looking for a way of defining multiple pins for my RGB strips. Currently the defined variable is set with the pin within it. This works just fine if I only had one RGB strip connected to the ...
1
vote
1answer
23 views
Arduino Command Line Interface - How to change boardsmanager.additional.urls
I am building a Travis CI job to test my Arduino Library and it needs to install external board definitions.
Is there a way that I can set the boardsmanager.additional.urls from the command prompt ...
0
votes
0answers
174 views
Protocol options for data exchange between Arduino and ESP8266
I have a device built with an Arduino uno:
Arduino software installed on an Arduino uno
can be controlled via serial commands
can be controlled via physical buttons and sensors
on any button/sensor ...
0
votes
1answer
40 views
Arduino IDE not handling library code correctly?
The author of the PinChangeInt library and the EnableInterrupt library states at github:
When the PinChangeInt was in a .h and .cpp file, the Arduino IDE tried
to compile it twice. I have a ...
0
votes
1answer
101 views
How can i read serial data into a string until a certain character is recieved?
This is not a duplicate of my other question. This question deals with reading specific data within a serial stream. The other question deals with reading and adding data into a manageable data ...
1
vote
1answer
84 views
Including libraries from header files sometimes doesn't work
I, once again have difficulties including libraries from code files other than my .ino file.
I have several .cpp and .h files in my project to keep it sorted and clean.
However one of my header ...
1
vote
1answer
52 views
Cannot upload sketch to Atmega328p TQFP soldered on PCB
After creating a working prototype with DIP ATMega328 chip/ Arduino UNO I recently got PCBs assembled with SMD components and ATMega328P TQFP soldered onto them, but now I'm having a hard time trying ...
0
votes
1answer
52 views
How would i capture and split serial data?
How would i capture the following serial data, and split it into parts?
<Alarm,MPos:0.000,0.000,0.000,WPos:0.000,0.000,0.000>
the parts i need from this is
Alarm - This is a state. i.e Alarm, ...
1
vote
1answer
97 views
Atmega88 + arduino Bootloader + FTDI adapter
I burned the arduino bootloader within a atmega88, in order to program it directly from the serial port. But I can't download my code from the arduino IDE...
But I get the famous : 'avrdude ...
0
votes
0answers
119 views
NodeMCU build ESP8266
Anybody have a build of the NodeMCU firmware with the g8b SH1106 driver enabled? I can't find one anywhere and can't get the firmware to compile myself. (I know this isn't Arduino related per say but ...
1
vote
1answer
35 views
How to change the topic_name string to PROGMEM?
I'm trying to save SRAM on my Arduino pro mini by going through some libraries. I've noticed that to use my Arduino as a ROS node the library stores the topic name and message type as constants.
...
0
votes
0answers
457 views
ESP8266 problem as Web server
I asked a previous question about esp8266 that made a lot of things clear for me that esp8266 is very powerful and can be independently used as the webserver now, I have used the following ...
0
votes
2answers
87 views
How do pins on an arduino mega 2560 work?
I got a copy of Arduino from a local retailer here (it's a local copy and I'm pretty confused with how the pins actually work).
I know basic electronics so far, there should be two pins for every ...
1
vote
1answer
34 views
Reading RFID tags with Arduino IDE, not using Arduino
I am completely new to this technology, but I'm hoping to build a fairly simple program through the Arduino IDE that takes the serial numbers of RFID cards read through my ID-20LA Innovations RFID ...
0
votes
2answers
78 views
Passing class member function as argument
I need to pass a class member function to server.on, unfortunately i get an error.
error: no matching function for call to 'ESP8266WebServer::on
I have done some searching but could not ...
0
votes
1answer
38 views
Arduino User Input
Is it possible to accept input from an end user via terminal, or some other application?
I want to create a prototype for a friend, but he'd need to enter his wireless network and password to ...
0
votes
1answer
45 views
Interrupt variable not getting called while executing another part
volatile byte _incomingFlag = 0;
void onIncoming () {
_incomingFlag = 1;
Serial.println(F("You got an interrupt"));
mySerial.println("ATH0");
}
void setup () {
/* First Start the ...
1
vote
2answers
42 views
Arrays and Functions
How can I return a char array from a function?
char c[] = getFloat(val, valid);
char getFloat(float val, bool valid){
if(valid){
char stringFloat[16];
dtostrf(val, 10, 8, ...
0
votes
0answers
21 views
Can't program Atmega644p over ISP
I am using the Arbotix-M (Atmega644p). I am trying to program it using an ISP from Pololu. Until yesterday, everything seemed to be working okay and we were able to upload to it without problems. ...
1
vote
3answers
92 views
Are static variables in a function bad?
For my code I use a couple of static variables.
But when I search the internet, they seem "evil".
For example: I have a function which will be executed every loop (5ms looptime).
to increase the ...
0
votes
1answer
94 views
Arduino IDE on Fedora
I'm using Fedora_21_MATE.img on a Raspberry Pi. Installing the Arduino IDE 1.0.6 using these commands, taken from Arduino On Pi. Those instructions are for Raspbian, I assume, so changing for Fedora, ...