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Old 05-16-2019, 03:21 PM
OldTimer OldTimer is offline
Junior Member
Join Date: Oct 2014
Location: The Netherlands
Posts: 10
Hi Carroll,

Thank you!

Based on your edit, I kept the wire jumper wire to the charging batteries from the diode disconnected, and connected the rest.
Everything else remained the same, apart from me replacing the transistor with an identical fresh one.

Outcome: the neon bulb did light! (not really brightly, but it did definitely light up) So apparently, the circuit can't be too faulty ;-)
Which leaves me to circle back to my question why the transistor gets so hot and the charging batteries apparently not getting charged. All I can think of is that the current through the transistor is too much, or that maybe my batteries are the wrong type maybe? Not wanting to lead you or anyone else in the wrong direction, just my (albeit a bit uninformed) thoughts at the moment.


Last edited by OldTimer; 05-16-2019 at 04:13 PM. Reason: updated info and test
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