Joule Thief

[Mk1]

@all

I got a real good result on the nano mk2 , using a 5225b 3 volt zener diode to replace the base resistor , i have check the zener for resistance
Got nothing real high resistance , still worked real good.

I have no clue why its working.

Mark

[jadaro2600]

@all

I got a real good result on the nano mk2 , using a 5225b 3 volt zener diode to replace the base resistor , i have check the zener for resistance
Got nothing real high resistance , still worked real good.

I have no clue why its working.

Mark

Can you post a circuit diagram?  I'm having monotony problems.

[Mk1]

Can you post a circuit diagram?  I'm having monotony problems.

Its the regular jt but a diode instead of the 1k resistor , regular 2n3904 , i have tried many all worked but not has good has the 3 volts zener.

And keep all the great experiment , out of the box!

Mark

[jadaro2600]

Its the regular jt but a diode instead of the 1k resistor , regular 2n3904 , i have tried many all worked but not has good has the 3 volts zener.

And keep all the great experiment , out of the box!

Mark

I put a 1N914 switching diode in its place and noticed something unusual ...i took an amp reading on it, using the diode and the milliamps being used went from 9.8 dropping quickly down to 2.3 with no noticeable difference in LED brightness.

you'll have to note though that my resistor is up front of the current carrying loop...  this seems like a frivolous place to put a resistor or a diode, but the effects are now even more unusual!

[Pirate88179]

@ All:

Great work everyone.  Boy, do I have some catching up to do.  Something like 5 pages since yesterday!!!  Keep it up.

Bill