My book will be published worldwide on April 5! You can pre-order a copy on Amazon now: https://www.amazon.com/Building-Smart-LEGO-MINDSTORMS-Robots-ebook/dp/B078TKRF66/ref=sr_1_3?ie=UTF8&qid=1515551585&sr=8-3&keywords=building+smart+lego My Patreon
Read more