What’s the crack jack? Build your own Lightsaber with Raspberry Pi and Java. May the Force (and GPIO) be with you! A fun Star Wars-inspired project using a bright LED and a transparent straw to simulate a real lightsaber. It also features a blaster shot mode. Fully controlled with Java on a Raspberry Pi. This blog is an example of how a single simple LED and a bit of creativity can be used to build fun and interesting projects. Beyond the visual effects, these experiments are a great way to introduce basic programming, electronics, and even physics concepts in a playful and engaging way. Projects like this are perfect for educational activities with children, helping them learn through hands-on experience while exploring light, circuits, coding, and creativity at the same time. Happy Start Wars week. A long time ago, in a workshop not so far away, a simple LED became the beginning of an intergalactic experiment.…