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Can I use a pn2222? I have a bag of those.
Will a pn2222 work?
Receivers can't cause interference. You are fine!
REAL Ghost Detector
Raspberry Pi Class
I made mine out of butter board so it would last longerit still works!!!!!
Make a simple paper slide rule
Making Your Own Slide Rule
This is very useful
nice use of formulas to help me understand how this works
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