![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirMdtHP00SaT0phqDirSj6elApsKbqy9NEij-8ImEnOXylUjqE1unouej4yOrjCejl8xQGzVQ5zMW2sCQ11JkAUdTWucor-esfwkOInM0mdClp8_xmIxTiRAfcCPJIAIzCTegmkw/s320/Beam+Weapon.jpg)
Below is a video of the gun in action... a touch sensor is used for the trigger, and a motor pushes a beam into the wheels to launch it.
-Jonathan
The ROBOTMAK3RS Blog brings together news and information related to the LEGO® MINDSTORMS®, SPIKE Prime, WeDo, BOOST and PoweredUp LEGO robotic platforms. It is operated by the ROBOTMAK3RS RLOC. Read more about us at robotmak3rs.com.
-Jonathan