Source code of the articles published by Elektor

Magazine 2021/05: Introduction to Java on the Raspberry Pi

• HelloWorld.java: the start of your Java journey
• CPUTemp.java: reading Linux system values
• RaspiGpio.java: controlling LEDs and reading a buttons state with terminal commands

Magazine 2021/06: Controlling the GPIOs with a Spring REST service

Java Spring Boot project with Pi4J to control the GPIOs with a REST service, documented with OpenAPI (formerly known as Swagger).