@pi4j

An open source Java library project providing simplified OO-friendly interfaces to the low-level hardware I/O on the Raspberry Pi. (GPIO, SPI, I2C, SERIAL)

 USA
pi4j.com
Joined September 2012
  • Tweets328
  • Following1
  • Followers1K
20Media
For any updates about the Pi4J project, please check our website at pi4j.com/, Mastodon at foojay.social/@pi4j, or LinkedIn at linkedin.com/company/pi4j/. This Twitter account will no longer be updated.

Pi4J - Java I/O for Raspberry Pi & Single Board Computers

Pi4J is an open-source Java library for the Raspberry Pi and other Single Board Computers, with access to GPIO, I2C, SPI, and PWM via the FFM API to integrate electronic components in your Java...

pi4j.com
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Blog: "Maven Downloads". How many times are the Pi4J libraries downloaded from the #Maven repository? pi4j.com/blog/2024/20241104-…

Maven Downloads - Pi4J

A look at Pi4J's Maven download statistics through September 2024, including adoption speed for new releases and the share of Kotlin users.

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We just released a new version, 2.7.0, with quite a few fixes, which makes development on your #Java workstation easier. It detects your environment and doesn't load native libraries. Especially great for #Spring devs out there! pi4j.com/about/release-notes… #JavaOnRaspberryPi

Release Notes - Pi4J

All releases of Pi4J V2+ are listed on github.com/Pi4J/pi4j/releases. For the release notes of the drivers library, check Pi4J Drivers Release Notes V4 Requires Java 25, see What’s New in V4 for more...

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The Pi4J Project retweeted
Jeff Geerling
@geerlingguy1 Sep 2024
Successful deployment earlier this week, videos on pause for a couple weeks so I can help the other kids get to and fro and prep meals while my wife recovers! (Though might wrap up the latest @GeerlingEng video since it's 95% done!)
Jeff holding baby

ALT Jeff holding baby

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Do you want to run @java on a @Raspberry_Pi Compute Module? You can, of course, as Java runs everywhere! @FrankDelporte explains how in this video youtube.com/watch?v=HgiSusMY… and blog post webtechie.be/post/2024-09-01…. Also, thanks to the step by step to burn the OS by @geerlingguy.
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V2.6.1 of Pi4J got published with some minor fixes: gracefully handle UnsatisfiedLinkError on newAutoContext when not running on a Raspberry Pi + clean up of logs in MockI2C.java. Read more about it on pi4j.com/about/release-notes…
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The Pi4J Project retweeted
Miro Wengner@miragemiko3 Jul 2024
Huhu, this is just nice :) @robo4j on @java 21 feels good, continue testing devices @pi4j #robotics
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The Pi4J Project retweeted
Miro Wengner@miragemiko24 Jun 2024
Really happy! @robo4j is coming back, testing on @java 21 and above with last @pi4j version 2 :) so much fun
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The Pi4J Project retweeted
Miro Wengner@miragemiko24 Jun 2024
it's really fun to see how everything works smoothly on #openjdk @java 21+ @robo4j @pi4j … thinking about talk , imagine moving #hardware on stage
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The Pi4J Project retweeted
Foojay.io@foojayio24 May 2024
The @pi4j project keeps evolving! V2.6 brings improvements for PWM and I2C communication with electronic components. Read more about it and interviews with Tom Aarts and Robert von Burg in this post by @FrankDelporte: foojay.io/today/evolutions-i… #JavaOnRaspberryPi @Raspberry_Pi

Evolutions in the Pi4J library by Tom Aarts and Robert von Burg

Multiple improvements have been implemented in the new release, V2.6.0 (2024-04-29) of Pi4J, a friendly object-oriented I/O API and implementation…

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Our website now features a binary clock created by Tom Aarts. It's a nice project for learning more about LEDs and how to control many of them with additional ICs: pi4j.com/featured-projects/b… #JavaOnRaspberryPi
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The Pi4J Project retweeted
DaShaun
@dashaun17 May 2024
What are your favorite @springboot starters that aren’t on start.spring.io? I’ll go first: @pi4j
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The Pi4J Project retweeted
Miro Wengner@miragemiko6 May 2024
It's pretty exciting to see working hardware examples again, #java with @robo4j @pi4j less code and more possibilities, this will be a lot fun :)
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Interested in temperature, humidity, pressure, and gas Bosch sensor measurements with Pi4J? Read this blog post with some interesting insights... pi4j.com/blog/2024/20240517_… #JavaOnRasberryPi #BME280 #BMP280 #BME680 #BME688

Bosch sensor gas measurement - Pi4J

An overview of Pi4J example implementations for Bosch's BME280, BMP280, BME680, and BME688 sensors, plus notes on their gas measurement quirks.

pi4j.com
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The Pi4J Project retweeted
Miro Wengner@miragemiko3 May 2024
Finally I got time to verify migration of @robo4j to java modules and new @pi4j :) seems all works as designed 🎉🎊🚀
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The Pi4J Project retweeted
Igor De Souza@Igfasouza27 Apr 2024
Morse code with #Java and #lego Happy #morsecodeday @pi4j Lego learn.browndoggadgets.com/Gu… Java hackster.io/darthbison/morse…
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New version of Pi4J! With V2.6.0, you get further improved and extended I2C and PWM support. Check the full release notes at pi4j.com/about/release-notes… #JavaOnRaspberryPi

Release Notes - Pi4J

All releases of Pi4J V2+ are listed on github.com/Pi4J/pi4j/releases. For the release notes of the drivers library, check Pi4J Drivers Release Notes V4 Requires Java 25, see What’s New in V4 for more...

pi4j.com
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Now available on the Pi4J blog: an interview with Tom Aarts! Read it here: pi4j.com/blog/2024/20240425_…. Tom created a lot of example implementations using Pi4J V2 and found + fixed some missing pieces and bugs in the core library. #JavaOnRaspberryPi @Raspberry_Pi @java
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Tom Aarts is working on PWM support for the @Raspberry_Pi 5 in Pi4J. Check out this blog post for more info: pi4j.com/blog/2024/20240423_… #JavaOnRaspberryPi

PWM Hardware Support on RPi5 - Pi4J

How to use Pi4J's new linuxfs-pwm provider to get PWM working on the Raspberry Pi 5's RP1 chip, with the pom.xml and config.txt changes required.

pi4j.com
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The Pi4J Project retweeted
JFX-Central@jfxcentral19 Apr 2024
Here are the new #JavaFX #LinksOfTheWeek as published on jfx-central.com/links Thanks to @GluonHQ @AzulSystems @dlemmermann @LeeWyatt_7788 @RB_Bhatti_171 @hansolo_ Robert von Burg @pi4j Have fun clicking and reading!
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