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Machine to Machine (M2M) and Internet of Things (IoT) contexts where a small code footprint...
link: I run mosquitto in vps with Ubuntu 16.04.5 LTS and i use SSL without any problems, using b4j and b4...
link: I know this is an older thread, but I am posting this as a heads up: I am going to save anyone new ...
link: It is always better to start a new thread....

Updated libraries: https://www.b4x.com/android/forum/threads/pi4j2-raspberry-pi-i-o-library.136113/#...
link: Yes tried it and still the same error. I'm fairly sure the error is coming from the B4J library ...
link: You tried this: https://www.b4x.com/android/forum/threads/raspberry-pi-4b-gpio-not-working.118488/#p...
link: Hi All, Has anyone managed to get the jPi4J library working on a Raspberry PI CM4 module? I'm in...

There are many Linux based, embedded boards available. Most or all of them support Java which means that they also support B4J. In o...
link: Please start a new thread for this question....
link: I just unpacked my raspberry pi 3 and am trying this. I got the bridge running with this command: java -jar b4j-bridge.jar (not jdk- ...

This example demonstrates how the B4X tools can be used to create a solution with multiple types of components and communication chan...
link: All the code is included. You don't need PHP....
link: Erel what About browser? should i write PHP script for making UI switch button?...

Simple solution that uses an embedded MQTT broker with a MQTT client to send the camera output to an...
link: Yes, but this is not the correct place for this question....
link: Instead of using an RPI, could I use my phone's camera? and how would it be? Thank you ....
link: Please start a new thread for this and post the relevant code....

This library is based on Intel mraa library: http://iotdk.intel.com/docs/master/mraa/ It supports d...
link: V1.20 is now available. The UART API is now exposed....
link: Thanks. That is great news!...
link: Support for UART will be added in the near future....

This is a simple example of a traffic light implementation using Raspberry Pi 2. The red, yellow and green leds are connected to pin...
link: An updated GPIO class for OrangePi, including Pulse Width Modulation: Edit: Found out that the READ setting is good only to read a pr...
link: The attached program demostrates the lights on orangepi. It includes also a button which holds the change of lights (so the user can ...

This tutorial is about: - Installing a brand new RaspBerry 2 (RB) (older models will do, too) - configure WiFi on the RB - get remote access to the RB from your PC via "Putty" - share files...
link: I looked at win10 iot but its not a real operating system only a possibility to develope vs2015...

I ran some tests to check how these boards perform as web servers. The tests were similar to the tests done here and here. Data was read and written to a SQLite database in wal mode. See this link f...
link: Could be interesting to see a report with the new PI 3...

Implementation of MQTT client based on the Paho open source project: http://www.eclipse.org/paho/ See this tutorial for more information: https://www.b4x.com/android/forum/threads/iot-mqtt-protocol.59471/ jMQTT v1.26 is compatible with B4J and B4A (older versions weren't compatible with B4A). Instructions for jMQTT v1.25: If building a standalone package then add this to the main module: #PackagerProperty: AdditionalModuleInfoString = provides org.eclipse.paho.client.mqttv3.spi...