Mathematics Education Lego Mindstorms EV3 Robotics Lesson 12 – Switch inside switch By Magic Monk on Saturday, December 1, 2018 In this video I talk about how to place a switch block inside another switch block, so you can utilise two sensors together. I show you how to program a car that follows a line AND stops to make a horn noise whenever an object is blocking its path. programming robotics steempress technology Previous Post Next Post Related Posts Mathematics Education Vector applications question – Elastic collision, momentum, and kinetic energy Mathematics Education Vectors lesson 21 – Basic vector operations in Geogebra Mathematics Education Vectors lesson 20 – drawing vectors in Geogebra