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Questions tagged [java]

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

1
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0answers
29 views

How to get correct response from UPS HID

I have a UPS HID device and I'm trying to use LibUSB to get data from it. The response expected is in the format below: ...
2
votes
1answer
300 views

Double Integration with the BNO055 for position data

I am trying to get position data(x, y, z) from the BNO055 IMU from adafruit. I have been given a library in java, so I can communicate with the IMU. I have been able to get heading, yaw, pitch to +/- ...
0
votes
1answer
405 views

How to Plot X/Y in Java Circuit Simulator

Does anyone know how to select the Y variable when doing an X/Y Plot in Java Circuit Simulator? I tried many things and none have worked.
0
votes
1answer
58 views

Compiled-C on a Jazelle Microprocessor

I found a chip that is perfect for my application (it has all the necessary features) (Atmel SAM9G45) The processor is based on ARM v5TEJ Architecture with Jazelle technology for Java acceleration. In ...
0
votes
2answers
224 views

How to fetch the resistor values of AD8403 (digPot) programmatically?

I'm using Arduino to control a digital potentiometer via SPI. I can set the resistor values, but I wonder, 1- Can I read the resistor value also via the same SPI interface? Here is the data sheet of ...
2
votes
1answer
511 views

Weird problem with ADXL345, Buzzer and Arduino

I've set up a Serial port via a Bluetooth module (HC05). I'm using a JavaFX app that I wrote to read the serial port, plot the acceleration values (via ADXL345) and write back to the serial port an ...
-1
votes
1answer
857 views

How to establish a communication between FPGA and CPU, in real-time? [closed]

I am working on a project that involves FPGA and CPU communication(in real-time - i.e, CPU and FPGA should function together). I have already designed and tested the UART communication protocol on ...
-1
votes
1answer
1k views

Transferring battery energy form phone to phone [closed]

Is there a way to transfer the battery energy form a phone to another phone? I've seen it be done by using a USB to microusb adapter + USB to microusb cable like show in this video. Can I create an ...
0
votes
2answers
2k views

Embedded Systems Programming using Java [closed]

Is Java good-to-learn-next language for an embedded software engineer who mainly develops firmwares and drivers? If not so useful, why? Which language is more for that purpose, C++ or Java? I read on ...
1
vote
2answers
655 views

Java/Arduino Controlled 120VAC Power Outlet

I'm working on a project with an end goal of controlling a power outlet with a Java program. Currently, I have the relay wired to outlets, a 3 prong 120 VAC plug, and my Arduino. Everything works as ...
1
vote
2answers
185 views

Ethernet Port Listener Throughput Maximisation

We have a distributed sensor network (12 nodes), using Ethernet as the backend protocol. These are networked at 100Mb/s to a single 1Gb/s link using a 16-port switch. I've previously seen Java and C ...
0
votes
2answers
6k views

Making a program that sends data to USB port [closed]

I want to create a program that is able to communicate to the USB port on my laptop. From this program I want to send data to the USB port constantly. Basically something like a hyperterminal, but ...
0
votes
1answer
172 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.
0
votes
2answers
1k 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
789 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
1k 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: ...
4
votes
4answers
10k 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 ...
-4
votes
3answers
4k 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
188 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
2k 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
862 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
237 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
1k 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
1k 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
441 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
14k 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 ...