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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....

This is a wrapper for Pi4J library. It allows you are control the Raspberry Pi board GPIO pins. Usi...
link: The library was updated with the latest version of Pi4J. It fixes the following error: Unable to de...
link: Please start a new thread in the questions forum. Make sure to post the full error message from the ...
link: Hi all! First of all, I love your job Erel... I receive this error using Pin 7 as input. (Programmin...

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- ...

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 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?...

This is a simple example of a traffic light implementation using Raspberry Pi 2. The red, yellow an...
link: An updated GPIO class for OrangePi, including Pulse Width Modulation: Edit: Found out that the READ ...
link: Found the solution ! The command modprobe does not run in a script, but it controls the loaded modul...
link: The attached program demostrates the lights on orangepi. It includes also a button which holds the c...

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....

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...

This tutorial is about: - Installing a brand new RaspBerry 2 (RB) (older models will do, too) - con...
link: Even stranger than that - if I connect the cable in addition and then remove it - it works, but neve...
link: Yes. I can run the server by the bridge but it does not get calls. Loading the browser page does not...
link: It is indeed strange. B4J-Bridge is connected over wifi?...

With this snippet you can - call a Python script (command line) on you Raspberry (or other programs by changing the parameters) - with parameters - in "sh_ProcessCompleted" you will get the command line output in "StdOut" You need the "jShell" library (libs tab in b4j -> add it) Sub AppStart (Args() As String) Dim sh As Shell sh.Initialize("sh", ...