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Updated libraries: https://www.b4x.com/android/forum/threads/pi4j2-raspberry-pi-i-o-library.136113/#content This is a wrapper for Pi4J library. It allows you are control the Raspberry Pi board GPIO.../android/forum/threads/jpi4j-raspberry-pi-gpio-controller.37493/#post-232767 Download link: www...) End Sub The pins scheme is available here: http://pi4j.com/usage.html The output of this program.../basic4android/images/SS-2014-03-25_12.42.39.png PiFace extension V1.00 adds support for the PiFace...

Raspberry Pi 4b. I have read that the full JDK includes the JavaFX too to run UI applications in Raspberry Pi. I failed big time. I followed the installation instructions as described here: https://www...
link: This procedure works with RPI as well as several different variations of Linux Hardware and Java...
link: This is old but very good thanks An other way is to install only the JRE by downloading the deb f...
link: Here is how we do it (using RPI 4B): 1. We download JDK 11 32 bit for Linux ARM (in tar.gz format...

close before killing the process). Getting started with RPi 5: https://www.b4x.com/android/forum/threads/raspberry-pi-5-first-steps.166049/#content...Based on: https://abyz.me.uk/lg/py_lgpio.html Tested on RPi 5. It should be compatible with most boards. With the latest version of Raspbian, everything needed is preinstalled (Python and lgpio...
link: Note that with PyBridge 0.7 there is a noticeable delay between the hardware button click and the event being raised. This is fixed with PyBridge 0.8 (attached and will be included in next update)....

Getting the RPi 5 to work with B4J is very simple. I've tested it with the recommended 64 bit Raspbian OS (bookworm). 1. Download and unpack the Linux ARM Full JDK (21): https://download.bell-sw.com/java/21.0.6+10/bellsoft-jdk21.0.6+10-linux-aarch64-full.tar.gz 2. Download B4J-Bridge wget... I also recommend enabling RPi-Connect, which allows opening a remote session through the browser...
link: Accessing the Rpi GPIO: https://www.b4x.com/android/forum/threads/pybridge-lgpio-raspberry-pi-gpio...

Running UI apps on Raspberry Pi with Java 11 is relatively simple. 1. Download Liberica JDK. Download the lite version: https://github.com/bell-sw/Liberica/releases/download/11.0.1/bellsoft-jdk11.0.1-linux-arm32-vfp-hflt-lite.tar.gz 2. Copy it to the RPi and unpack it: tar -xvf bellsoft-jdk11-linux-arm32-vfp-hflt-lite.tar 3. Download the latest version of b4j-bridge (1.41+). wget www.b4x.com/b4j/files/b4j-bridge.jar 4. Run b4j-bridge: sudo jdk-11/bin/java -jar b4j-bridge.jar...

the RPi, and a notification appears on the PC. 162492 The setup: RPi running Mosquitto broker as a service: https://randomnerdtutorials.com/how-to-install-mosquitto-broker-on-raspberry-pi/ The RPi runs... it here: https://www.b4x.com/android/forum/threads/pybridge-lgpio-raspberry-pi-gpio.166064/#post..., 10000) mqtt.Initialize("mqtt", "tcp://127.0.0.1:1883", "rpi"... & Level) If Level = 0 Then mqtt.Publish("rpi", "button clicked!"...

New tutorial based on Java 11: Raspberry Pi with Java 11 The first step is to download and run B4J-Bridge: Remote debugging with B4J-Bridge Raspberry Pi is a low-cost Linux board: http://www.b4x.com/basic4android/images/SS-2014-01-23_11.32.59.jpg B4J v1.50 adds support for these boards. Here are two screenshots: DBUtils: http://www.b4x.com/basic4android/images/SS-2014-01-23_11.36.26.jpg Moving smiley: http://www.b4x.com/basic4android/images/SS-2014-01-23_11.37.04.png Out of the box...

At some point during 2019, the author of wiringpi, which is the native library that Pi4J was based on, stopped its development. Luckily, there is a new version of Pi4J which is now being actively developed and it works with all recent versions of Raspberry Pi. It is not backward compatible. jPi4J2 wraps the new Pi4J2 library. Currently only DigitalInput and DigitalOutput types are exposed. Blink example: Sub Process_Globals Private pi4j As Pi4J Private PinOut As DigitalOutput End...

. This is a nice example as it shows how B4X tools can be used to program both the Arduino side and the Raspberry Pi side. Arduino and Raspberry Pi complete each other nicely. The Arduino is easier to connect to external hardware and the Raspberry Pi is a full and powerful computer. The two devices are connected... it is convenient to run the RPi side on the PC. Otherwise you need to disconnect the Arduino each time you want to compile and connect it to the PC. Once the program is ready we connect B4J to the RPi...

your B4J code. The code works well in a terminal and is very reliable on a Raspberry Pi, though...