Name: How to make 9V battery operated laser diy hack - Kako napraviti laser na 9V bateriju @FlatSurfer
Uploaded: 2020-03-18T01:29:31-0400
Duration: 8 min 17 s
Description: This is very practical laser on 9V alkaline battery. It has constant current source and battery can last very long and it can be even recharged from time to time

Sesir profesora Koste Vujica 1.epizoda - Filmska greska ili ne @FlatSurfer

Uploaded June 2018 | Updated September 2026, 1 hour ago

Da li "Mika Alas" namerno pise pogresan rezultat na tabli, znajuci da pofesor matematike glup ko tocilo ili je scenarista napravio gresku iz neznanja, vi odlucite

Sesir profesora Koste Vujica 1.epizoda - Filmska greska ili ne

How to make 9V battery operated laser diy hack - Kako napraviti laser na 9V bateriju