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I used three element glass Aixiz lens

Now I can't post the picture :( Линия пересекает выходное пятно, в линии отсутствует свет

Today I get my laser diode. 26 DAYS!!!! 26 days I have been waiting my purchase!!! EMS Russian post is the worst post service in the world!!! :( The festival was 28 December. My pupil won the second prize and a ticket in the Prague sanatorium for talented children. I'm very glad for my pupil...

I believe in this. Thank you!

I'm in a panic! You sent the diode 15 December. Today is 23 December. I haven't get my diode yet!! Why EMS is so slow?! There are -30 degrees Celsium outdoors. The festival will be move to 28 December. Can I get my diode?

Thank you very much! I'm very hope that my pupil will perform well with his CNC machine. It is good that there are people who can help free. DTR, will try to advertise you wherever possible.

The fourth festival will begin 24 December 2012.

It is the translating program of the third festival:

I had this idea, but then we decided not to. It would look ineffective. The festival will present the important people who are interested to see a real practical application. Especially, the development invested a lot of physical and spiritual resources. We do not want them to be wasted. We want...

Ok. I don't want use the boost driver because I can't buy laser diode every day :) I have got yellow glasses for children and plexiglas wall of yellow around the CNC machine. It looks like a machine with two planes. The laser can move along the axes OX and OY. My pupil wrote the program in the...

We have got only 14 hours! Answer, please! May I count on your help?

I need in the 16$ to buy laser driver buy EMS! Who can provide financial support to the children's home?

I used driver like this: 2W 450nm Laser Diode Driver 1 5A 1 8A Boost Circuit Stable Compact Design | eBay Today I create the LM317 driver. It is low-effectiency but working stable. So, now I have driver

Thank you. But we have to catch up tomorrow. If you can not help, it does not help anything. Have to give up, though it's hard. I only have $ 40. On the rest I need to feed my children.

Hello! I'm 23 years old. I'm a radiotechnology teacher from Severodvinsk, Russia. Our club is situated in the children's community. The collective of our orphanage decided to conduct technical festival in the radiotechnology club and other clubs. My pupil Ivan create the model of laser CNC. I...