Tagged Questions

Java is a programming language designed to be platform independent, running in a virtual machine.

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-2
votes
0answers
66 views

open(“/dev/i2c-1”,O_RDWR) return -1, i2c-1 device couldnt open [migrated]

I have a little problem about my app. Firstly I install package i2c-tools, I give all permission to all user for dev/i2c* files. After, add the line i2c-dev in ...
0
votes
1answer
70 views

Pi4j port for pcduino

Do you know any port of Pi4j for PCDuino boards or anything similar? I am particularly interested in I2C, oneWire and Serial reading.
1
vote
0answers
230 views

Using Java applet on a cheap Nokia phone to control Arduino via Bluetooth [closed]

I've built a nice wheel robot prototype with my kid. He had a broken R/C bigfoot truck: we've replaced its 'brains' with Arduino Pro Mini, DC motor drivers and HC-05 Bluetooth chip. Currently we ...
0
votes
2answers
157 views

Java programming for Arduino [closed]

I need to know which technologies should I be familiar with to program for Arduino? Or knowledge of native Java will be enough?
2
votes
1answer
395 views

How to control PcDuino pins from Java?

When I had Raspberry Pi I used to control the GPIO (pins) from a Java application using the Pi4J library. Is there any library to control the GPIO (pins) on the PcDuino using the Java language?
-1
votes
2answers
281 views

What is wrong with my arduino code? [closed]

I have created a project for basic ethernet shield and JAVA program communication. When I try to compile the code I get a error: ...
1
vote
0answers
289 views

Control Arduino Bluetooth RS232 module with java [closed]

I'm Ubuntu user and I have connected RS232 wireless bluetooth module with arduino and I still be able to control the LED with ubuntu terminal using ...
-3
votes
2answers
178 views

Java calculator to circuit [closed]

I have this code: ...
3
votes
4answers
3k views

How to get fundamental frequency of a signal using autocorrelation?

I am trying to get the fundamental frequency of a signal that only has a single pitch. I coded out the autocorrelation function using FFT and already got the autocorrelation result. Unfortunately, I ...
-3
votes
3answers
921 views

Programming language for Zigbee [closed]

I have done a small research in the field of zigbee. But , a small conflict b/w using python or java or c for zigbee coding in case of remote monitoring .
-2
votes
1answer
134 views

How Can I Program a Universal Application Keyboard? [closed]

IMPORTANT NOTE: This is a question from who has no experience and knowledge on this area. So before giving negative rep, please provide constructive suggestion. I want to program a universal ...
5
votes
1answer
853 views

Issue on Serial Port Communication (in JAVA)

I've written a Java program to read my Arduino's outputs through Serial port (using RXTX Library). There's a small issue I'm facing. Arduino continuously writes to serial. But every time, after ...
3
votes
5answers
2k views

Micro-Controller Operating System with GUI

I'm looking for embedded OS for w micro-controller, it's not clear until now for me what'll be the controller type, but my first priority is to found an OS with GUI can be written in C# or any .NET ...
4
votes
1answer
416 views

Java and Serial Port

I am able to control the speed and direction of 2 DC motors using an AVR-based microcontroller board (see here for details) currently through hyperterminal (Flash Magic). Is it possible to do the ...
2
votes
1answer
188 views

Looking for TINI SDK

I've to do some work on TINIS400 & TINIM400 evaluation kit From Dallas Semiconductor. These boards are now obsolete and the TINI SDK is therfore no longer available on the Dallas Semiconductor ...
1
vote
3answers
607 views

RS232 which pin i can connect together to receive a input signal in my Java application listening on ttyUSB0 or ttyS0?

I am trying to make a very simple BUTTON (simple wire RED/YELLOW only). Now if the Button is pressed (RED touch YELLOW) i want to receive input signal in my Java application (that button was pressed). ...
3
votes
4answers
608 views

howto link an Arduino Light Sensor to a keyboard button

I have an Arduino Uno and a light sensor. I would like the light sensor to activate the [H] button on my keyboard. If the light sensor is in the dark (1024 I can see in the monitor) it should have the ...
0
votes
1answer
358 views

Using Arduino/Processing to print text on screen when an LED light up

I have a question regarding the programming of printing text on the screen after an LED lights up on a breadboard. Should we plug in the LED into the Arduino board or a regular breadboard? How do I ...
10
votes
10answers
8k views

Microcontroller with Java API

My hardware team is planning to use an Atmel AVR 8-bit microcontroller for a future project. So far as I know, it must be programmed in C. I have found a JVM for AVR, though it is more limited than ...