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Update 23 NGE Papp: More Balloon Testing & The Search For Feedback Current.

Update 23 NGE Papp: More Balloon Testing & The Search For Feedback Current. Thank you all for your continued support. its much appreciated and needed. ~Russ more to come… 🙂 one can donate to…

Joule Thief: Practical Application: Simple NPN Transistor Checker

The JT Basic circuit is used with a 1n914 (or 1n4148) diode in place of the Base Resistor. Cathode towards transistor Base. The circuit is the Basic 2n2222 or 2n3904 JT, available everywhere. the…