Recent content by dood

lol，You must be kidding me :ROFLMAO:

you got me😁,This video is my initiation video

I bought those equipment from the second-hand market when I was 19 years old, and the function signal generator and its broken, I only used them for welding and repairing electronic equipment in these 4 years. I'm sorry to hear that you said that you could not weld well because your hands were...

I know your concerns, I'm 23 years old and have basic electronics knowledge, this is my first time using a laser because I want to use it for my course design, I know it needs some drivers to work, but I The goal is for him to burn tapes at a range of three to four meters, I saw some posts on...

I'm a somewhat new hobbyist and not very experienced with electronics in general。I want to make a laser cannon using nubm37 and add a beam expander so that it can burn items like tape within 4 meters. Can someone tell me if this idea is possible and what is needed to make it happen. (I used...