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Did you use Pi4J in one of your projects? We would love to hear from you!

Please let us know by sending an e-mail to frank at pi4j.com with a brief description, URL, links and pictures of the product or project you are working on.

Spring Boot Alarm System GITHUB PROJECT: github.com/bmike2047/springboot-rpi-alarm-system This project by Mihai Buleandra, uses Spring Boot to create a simple wired alarm … SpringSpring BootGradleDigital Input
SmartCoop PROJECT WEBSITE: smartcoop.tech Dave Duncanson, an ex Royal Australian Airforce (RAAF) electronics technician and embedded software developer, created … I2CSPISerial
Binary Clock GITHUB PROJECT: github.com/taartspi/pi4j-binary-clock This project by Tom Aarts (published on May 15, 2024), is a binary clock created with LEDs on a … LEDPCF8575MCP23008MCP23017
Soft real time PLC Strolch is a framework for developing Software which has a different approach compared to Spring and other similar types of Java frameworks, as the …
PiJukeBox Daniel Mårtensson used Java and Pi4J to turn an old Centrum U68 from 1940 into a MP3 player. The reason is because short wave, middle wave and long …
CocktailPi The CocktailPi is a cocktail mixing machine by Alexander Liggesmeyer. It can control as many pumps as the RaspberryPi provides GPIO pins. For every …
Didier the street artist robot Meet “Didier” the street artist robot, a project by Duvam. The sources are shared on github.com/duvamduvam/didier-java.
JMonkeyEngine with Joystick Pavl G. created a Java Gradle library to control a car in a JMonkeyEngine game with an arduino joystick module connected to a Raspberry Pi4 model B, … MCP3008SPIJoystickAnalog
Sensor drivers In case you want to read the data from various I2C sensors connected to Raspberry Pi the difficult part is usually writing a piece of code which talks … ADS1115BME280BMP180HTU21D