I'm trying to use Pi4J to talk to an SPI device where the CS pin is a GPIO pin (GPIO 5) and not one of the mapped CS pins. I don't see how to configur ...
I am java developer and pi4j begginer. I am developing java app that can control servo (raspberry pi 4 model b) the error: JRE system library: Jav ...
I am trying to use my Raspberry Pi 4's GPIOs to turn on various thing in my smart home. I am getting 2.6V on the GPIO Input, thus resulting in a HIGH ...
I am working in Intellij with Java 11. I want to use import java.net.http.httpclient in my project but the import statement is not found. Background: ...
I'm in the process of writing a java program for a Raspberry Pi where I want to access the GPIO. For this I use the Pi4J-Library Version 2 (https://pi ...
I have a strip of WS2811 adressable RGB leds and I am trying to control them using my raspberry pi. I am programming in java. To access the GPIO I am ...
PROBLEM SUMMARY I am getting a class path error when I try to code on my desktop and deploy it remotely to my Pi Zero W. BACKGROUND The Pi4J v2.0en ...
I want to write java code using the dependency Pi4j and using Intellij on Windows 10. The target platform is a Pi Zero W. The instructions to develop ...
Sorry I am new to this specific scenario. I would like to use these newest Pi4j libraries found at this link: https://oss.sonatype.org/content/groups/ ...
I am trying to run a simple test on my Raspberry Pi4 using the pi4j java library v1.2. Somehow it's not doing anything. I also don't see any errors on ...
I have built a react app and I must connect and send orders to a Rasberry Pi. ...
I have a simple Java program which should listen for changes of GPIO status. I'm using a button to change the status of a GPIO and from terminal I can ...
I have a server running on Java using the library Pi4j to control the RaspberryPi's GPIOs and a file on which I write the current GPIOs' statuses. Whe ...
let me start saying that I'm new to neural networks, Machine Learning etc, and so far I have just made few very simple experiments to learn so please ...
I am trying to control a servo motor from a web interface. I am using SpringBoot 2.0, ServoBlaster and pi4j. In order to start the application I am ...
I'm trying to program a kind of dmx controller, therefore I got a RaspberryPi and now I want to write a program to controlle a GPIO with pi4j. The ide ...
I have this SG90 servomotor (completely functional and new) that doesn't turn all the way to 180° (or 0°).It stops halfway when i try to make it go ri ...
sorry for my english but i recently write code in java about controlling relay by raspberry but my code doesnt work , i used gpio_00 as output the pro ...
Good Evening We're working with PI4J and we are tring to transcribe this python code to Java: This code move the AX-12A motor to the desired posit ...
I am an old java programmer, translating code from Desktop to Raspberry Pi, with the aim of embedding software in a hardware interface. I wired a 16* ...