With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Hi,The .sch files are made with Eagle. They have a free version for non-commercial use. Eagle may seem a bit complicated at first, but you can find tons of guides online, as this is one of the most popular schematics/pcb cad programs for makers..https://cadsoft.io//Chr
Join 2 million + to receive instant DIY inspiration in your inbox.
© 2016 Autodesk, Inc.