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This was my second group buy on this forum. I'm glad it went as smoothly and fast as it did with great communication. I don't like waiting too long for items I want. :evil: I would definitely participate in another GB with Tech_Junkie!

I just finished building a 12x labby. I made a dual lm317 driver circuit board that powers the diode as well as the display. It has a Blue lcd ammeter. The current is adjusted via a 10turn precision pot. The internals. The heat sink is made out of an aluminum block, press in diode. It...

This last weekend I want on vacation to Parker Arizona, on the return drive home I had to check out the gem and mineral shops in Quartzite AZ. I was specifically looking for samples that might florescence under uv light. (Until this forum I didn't know things like uranium glass existed.) I...

Mods you can move if its in the wrong section. I'm making a brick host out of aluminum. This one is square since I don't have a lathe just a manual mill lol. It holds a Meredith LDC-10. I made it a snug fit and held solid via a 10-32 set screw. The lid is held down with 8-32 recessed aluminum...

Hello, I have been lurking here for a while, and thought I would finally post. I have found this forum to be a great resource. I work for a company that recycles gasoline, I run the shop and design and fabricate all our machinery and equipment. So I have access to it for hobbies. I just need...