Identify all the loose parts in your parts bin.
Is that transistor a PNP or NPN?
What's the volatge drop and capacitance of that LED?

This tester will show you with colored graphics


Multifunction Tester TC1
This is where I bought mine; I'm sure they're available on ebay etc.
https://www.banggood.com/DANIU3_5inc...






Music Fireworks by Jahzzar is licensed under a AttributionShareAlike 3.0 International License.
http://freemusicarchive.org/music/Jah...