This video instructional Paintball MOD how to, that you walks you through setting up a laser motion detector to fire a paintball gun. The video start with the electronics, and moves to the mounting and testing. Source code from the electronic controller available in teamcyerngy.com articles.
Watch as this machine gun senses someone in its path using laser and fires relentlessly when an object crosses its path. Watch the making of on www.teamcynergy.com to learn how this machine gun was made using a basic stamp2 microcontroller, photoresitor, laser and a Tipman X7 Flatline Paintball Marker using Egrip with 3 round burst to fully automate the response trigger.
Team Cynergy presents this article with step by step instructions on how to program an electronics kit to use a laser as motion detector and fire a gun with the sensor is triggered.