It’s all about wanting to do target practice, indoors, using a simple red laser dot instead of any sort of projectile. While it’s possible to practice by flashing a red laser pointer and ...

Fan of shooting things? Jealous of proper shooting ranges? Why not build your own automated target practice rig (link dead, try the Internet Archive) with a few servos and an ATMega168?

During this practice a target is used on which the hits are recorded, or photagrwphic recards are kept, s'a that the fnal efficiency of the gun-painter is obtained while the guns are actually firing.