Issue 22.5 ("Gyroscope")

Xojo and MQTT by Tim Dietrich

MQTT is a low-resource messaging protocol that lets devices communicate with each other. It's ideal in scenarios where a device might not have a lot of power or connectivity. Tim explains how to use this with your own Xojo apps.

Balancing Act (Raspberry Pi Part 9) by Eugene Dakin

If you've ever wanted to use your Raspberry Pi to detect tilt and other movements, Eugene is here showing how to connect a gyroscopic sensor and read the results with Xojo.

Invaders from Space! by Marc Zeedar

In this fun summer project, Marc creates a version of the classic Space Invaders game in Xojo. You'll learn how to do animation, explosions, collision detection, and other aspects of game play. Use it as inspiration for your own retro games!

Design Patterns 6 -- Supporting Undo by Marc Zeedar

If you thought supporting undo in your app was difficult, it's because you weren't using the Command design pattern. Marc shows how it makes undo easy!

Plus: Topics such as how to use ChatGPT 4o-mini to correct your grammar, using overlays, retro gaming with Xojo, an interview with Kem Tekinay, and more!