Maker Hub at home episode 1. This step-by-step tutorial will walk you through building your own Ultrasonic Alarm project using an Arduino, perfect for beginners. Jaycar MakerHub at Home is here to get you started on learning electronics with easy to follow instructions. We know that the first steps can be daunting so we’re dedicated to stripping back the layers and giving you a solid foundation to start experimenting and becoming a Maker! Let us know if there’s a project you would like to see us