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Welcome to Instructables

On this page you can find links to some of our most frequently asked questions. What is this site? Instructables is a place that ...

Topic Posted Wed Sep 05 11:08:54 PDT 2018 by randofo  |  last reply Sat Aug 10 12:12:26 PDT 2019

Can I change resistance values in laser diode driver circuit to be able to use it with another laser diode?

I have Laser survey units,tens of them, each has IR original laser diode with this specification ((Ith= 17mA, Iop= 31mA, 798nm, Im=1.26mA)). This laser ...

Question Posted Fri Aug 16 13:13:49 PDT 2019 by laserplane  |  last reply Sat Aug 17 11:25:58 PDT 2019

Vacuum tube amp help

I just bought a lot of 125 vacuum tubes on ebay for 30 dollars including shipping (the seller didn't list what tubes were there, ...

Topic Posted Sat Jan 03 17:13:11 PST 2009 by guyfrom7up  |  last reply Sat Aug 17 09:31:21 PDT 2019

Tempered glass screen protectors - understand and beware!

I recently had the joy of needing a new screen protector for my mobile after being dumb enough to drop it on gravel. The ...

Topic Posted Tue Dec 15 16:50:03 PST 2015 by Downunder35m  |  last reply Sat Aug 17 08:02:03 PDT 2019