0
votes
0answers
3 views
What could make an LCD stop working permanently after being connected for 5 seconds to Arduino?
I was using a 20x4 LCD connected to Arduino Uno via a common I2C adapter board. Everything was working perfectly, including the LCD. I had it running like this for a couple of days without any ...
0
votes
1answer
4 views
Broken Score on Game Sketch
I have modified the code for Flappy Duino to give me a score at the end of the game. Here is the code:
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
...
0
votes
2answers
14 views
Should long wires be kept separated from each other, to reduce interference?
Let's say someone has four CAT5 cables that are running along the ceiling for the length of a room (30 feet), of which most of the twisted pairs are connected to Arduino input/output pins on one end. ...
0
votes
1answer
17 views
Will there be any pin interference in this Project?
I am working on a project with Arduino Uno Clone. After having a look on my arrangement, please tell me whether I will have to face any difficulty or consider any thing.
I have a relay on pin 2 ...
0
votes
0answers
4 views
USB connection problem from Windows 10 to GT2560
I was wondering if you could shed some light on mycomms problem.
I am running Windows 10.
I bought a Geeetech 3d printer with GT2560 board all assembled.
I can not connect via USB. Have tried ...
0
votes
1answer
8 views
Why does Arduino Due Native Port change serial ports after every reset? (Linux)
Previously I had my Due connected via Programming Port for weeks, and it never changed serial ports after pressing the reset button. Recently I switched to having it connected via the Native Port ...
0
votes
3answers
16 views
How can i change “+” sign into spaces?
I'm working with esp8266.i am able to send text from webserver to arduino which is displayed on my 16*2 lcd display.but the problem is that when i send text including space i.e:john smith, the text ...
0
votes
1answer
16 views
PC <-> Xbee <-> Another Xbee Communication
I have this application where I want to send commands from the PC to an Arduino, remotely, and receive an answer back.
The hardware configuration I'm using to achieve that is the following:
PC ...
-1
votes
0answers
16 views
Things required to control robot with xbox360
What things are required to use wireless xbox360wireless controller to control robot. help....
-1
votes
0answers
11 views
How to make multicolor following robot by using analog IRsensor
I am usin 4 IR analog sensor to track multicolor(RGB) BUT i didn't get how to code it. Any one there who can help me with providing code
-1
votes
0answers
11 views
provide arduino code of Maze solving robot using 3 ultrasonic sensor
I need code of maze solving robot by using THREE HCSRO4 ultrasonic sensor. And i am confuse in programming. any one who can provide me arduino code of it
-1
votes
1answer
19 views
Relation between dc motor RPM and its pushing force
Which low to high rpm should be used in manually controlled robot to push heavy things about 2kg weight by the robot.
0
votes
0answers
9 views
Problem on serial communication via jSSC
I'm trying to build a Arduino RGB Controller for LED-Stripes, but now I struggle with interfacing between PC and Arduino.
The Arduino uses aREST library and listens for "/setRGB?params=00FF00\r" ...
1
vote
2answers
17 views
Create a device to detect object state
Here is what I want to do or get it done (since I am not a embedded guy)...
create a prototype with ardruino to detect open window/door of my room using camera(image processing/object state ...
0
votes
1answer
9 views
Any way to pass EthernetClient to function outside of loop automatically?
I have an Arduino webserver that displays many buttons over a webpage (73 at the moment) that toggle different switches. I shortened up the button-drawing code with this function:
void ...
0
votes
0answers
17 views
arduino serial comminucation
my vb.net app produce this result as 2d array :
01110000000111000
01110000000111000
01110000000000000
01110111000111000
01111111100111000
01110011100111000
01110011100111000
01110011100111000
...
0
votes
0answers
8 views
Playing Melody with Tone() without using delay()
Is there a method to play a Melody with Tone() without using the delay() function?
tone(8, melody[thisNote], noteDuration);
int pauseBetweenNotes = noteDuration;
**delay(pauseBetweenNotes);**
0
votes
2answers
29 views
What is the best arduino board for a robotic arm?
In my university we need to buy arduino boards and kits to build a moving robotic arm, that moves up and down and clockwise in a specific degree (almost like humans's).
So, what's the most suitable ...
0
votes
1answer
10 views
Arduino Mega, Ubuntu, Time.h: No such file or directory
I'm using an Arduino Mega with Ubuntu 15.10.
Sadly I've got an error during compilation, that the Time.h library cannot be found. The verbose compile output shows:
...
0
votes
0answers
18 views
Connecting two arduinos using WiFi
I have two arduinos (An UNO R3 and a Mega 2560), and I need to communicate them via two ESP8266 modules to exchange some values.
In one arduino I'll use a SW-420 vibrarion module, and I need to send ...
0
votes
0answers
9 views
Teensy and MS5803 sensor
I'm trying to use the ms5803 sensor with a Teensy 3.2. Compiling the Sparkfun or other libraries, however, results in no output. Can you provide guidance on how to modify the libraries to work with ...
1
vote
1answer
16 views
Can I access individual pixels on my 16x2 LCD display
I have a generic 16x2 LCD display connected to my Arduino. I can use the standard LCD library to display characters, but are there way to turn on and of individual pixels?
0
votes
0answers
9 views
Particle-like wifi configuration
Any idea how does particle (photon/core) wifi works... I am looking to do something like the wifi configuration like those ones.... where the device is on setup mode, you can locate it and then attach ...
0
votes
0answers
22 views
Comunication between android and arduino
I am trying send date from arduino to android device for midle bluetooth
From android to arduino send a date y when arrive turn on a led but if i can send data of arduino to andoid not happend ...
0
votes
2answers
28 views
C++ Namespace/scope problem when trying to attach arduino interrupt
I have defined a c++ class (RpmDriver) and want to use attachInterrupt in the constructor to link an Arduino pin to its ISR (RpmInt) in the class. When I try this, I get:
error: cannot convert ...
1
vote
1answer
19 views
Using L298N to control DC Motor
I am developing a system where I want to control the direction of the DC motor (12V) from Arduino Mega/Uno. For that, I am using L298N H-bridge chip without the board as shown below.
My question ...
0
votes
2answers
22 views
Please explain this OneWire communication with Arduino Uno and DS2502-E48
The goal is to read the MAC address from a DS2502-E48 chip.
I think I accomplished this goal too with the following code, but I can't get behind at how this works.
I had a similar program with a PIC ...
0
votes
1answer
14 views
Synchronization and Implementing hamming code on Software Serial
I want to learn and use Hamming Code. Would it be wise to
alter the Software serial library to do this or just change the data being
transmitted in the actual Arduino sketch?
Also, for means of ...
0
votes
1answer
14 views
How much voltage/current do I need for multiple chips?
I have a Huzzah ESP826 Wifi breakout chip which requires 3.3V power voltage and peaks at 500mA of current, and an LED strip which requires 12V and 1A. How can I power both with one dc jack (I have a ...
0
votes
1answer
48 views
Why can't I print this text to LCD?
I've been working on this for 4+ hours, and have gotten nowhere.
I have an array of weather conditions, and a number is sent over serial port to indicate which member of the array to print to the ...
1
vote
1answer
21 views
How to extract number from a string?
Using LabVIEW I am sending string of data through Xbee like,
u123
r64
r89
u34
r179
And my arduino is receiving this data.
I want my arduino to read this data as a string
and I want to extract ...
0
votes
0answers
5 views
Errors when deploying Simulink model to Arduino Due
I am trying to connect an Arduino Due to Simulink to run it in external mode. I am unable to successfully deploy to hardware.
I'm testing it with a blinking light model: A pulse generator connected ...
0
votes
2answers
43 views
Plotting a real time graph of SENSOR data FROM ARDUINO on PROCESSING, MATLAB OR PYTHON
I have an accelerometer connected to my arduino DUE to spit out data on my serial monitor as described in my earlier post pushing accelerometer data in packets from an arduino due to the pc and unto ...
0
votes
0answers
14 views
Is it possible to receive string data using serial State Machine code?
I've been using Nick Gammon's State Machine code from his tutorial page: http://www.gammon.com.au/serial. This has worked fine for me when only needing to read integer data over the serial port. But ...
0
votes
1answer
10 views
Read function in Software Serial
I have a question regarding how the read function works in Software Serial.
recv reads the bits a receiver picks up into a serial buffer. than read returns a uint8_t. However, when i set read() equal ...
0
votes
1answer
22 views
GPS coordinates
how do I compare coordinates I receive from the GPS module with the coordinates that I had hardcoded into the arduino, for example:
if (GPS reading <= hardcoded)
movecarforward();
else
...
0
votes
1answer
11 views
Gain on a receiver
I'm doing a project on the arduino with simple 433MHz antenna modules. And I was wondering if someone could offer clarifications on how receivers work.
I read that high gain receivers can pick up a ...
0
votes
1answer
22 views
Detect if a chair is occupied using Arduino with some sensors
I want to detect if a seat is occupied by a person. This is the answer that I found on Stackoverflow.
However, how accurate is the output of 4 suggested sensors? Will the computing of all these 4 ...
1
vote
1answer
14 views
Linear actuator jitters/vibrates when getting PWM from Arduino Mega 2560 through JKR 21v3 motor controller
I recently bought this linear actuator and motor controller from Pololu:
Linear actuator
https://www.pololu.com/product/2305
Motor Controller JRK21v3
https://www.pololu.com/product/1394
There ...
0
votes
3answers
17 views
TMP36 probe reading 0 on analog
I've designed this system which is supposed to turn on the LEDs when the temperature of a particular probe exceeds 32 degrees. From what I can tell, this should be functional but the analog sensor is ...
0
votes
0answers
9 views
Flora, Flora GPS, and Flora Bluefruit
I searched google and the forums here without any luck. I wanted to know if two sensors can share one RX/TX pin, but doubt that is possible. I recalled using pins 2 and 3 instead of pins o and 1 (RX ...
0
votes
1answer
14 views
How is AVR Assembly in Eclipse or at Linux command line done?
I'm trying to learn AVR development in C and Assembly for the Arduino Uno (Atmel 328p microprocessor) in Linux.
I've found many good guides on how to install and setup the AVR plugin for Eclipse, ...
0
votes
0answers
15 views
Interfacing ADS8319 with Arduino UNO
I am using Arduino UNO and trying to interface 2 16-bit ADS8319 ADCs with it via the SPI interface.
I have interfaced the 2 ADCs with the micro-controller using the "4 Wire CS Mode Without Busy ...
0
votes
2answers
16 views
How to resolve my Timer Interrupt issue
I am trying to work with arduino timer1 interrupts to make an led blink every bit on an 8 bit number, depending on whether its a 1 or 0. However, im trying to make a basic blinking program, and it ...
0
votes
2answers
19 views
How can I connect more sensors when my lcd is blocking pin access?
So, I have a lcd that takes up the whole board of an arduino mega. I want to connect a temperature sensor and make a really lame weather station, but the lcd screen is totally in the road. It's a ...
0
votes
1answer
25 views
Interfacing Arduino with any cheap TV RF remote control
I hooked 315/433 MHz RF receiver to my Arduino Yun and programmed it so it sends commands to ip controlled AV devices (TV and AV receiver).
The remote control I'm using is a cheap 6 button one that ...
0
votes
0answers
26 views
Voice on arduino
I want to made an arduino which talk on button's click. I've only got a arduino uno and an speaker. With some tutorial, I've success to make talking arduino. But, I cannot add my own voice and sound, ...
0
votes
2answers
38 views
Formatting and code errors?
Hello I have managed to get both the Adafruit Datalogging shield walk-through and this individual code working http://www.learn.parallax.com/reed-switch-arduino-demo separately, but trying to combine ...
0
votes
1answer
21 views
Problem assign float to an embed class within the Linked-list libary
I have successfully implemented some code which uses a linked-list. Everything is working, except assigning a value to a float within the embeded class. When I run the code below, I get the expected ...
0
votes
0answers
17 views
How to switch program between automatic and manual control from same program
this is for solving maze and after solving maze we should control it manually. so I didn't get how to turn or block th condition that are used to control robot automatically after reaching to end zone ...