Self Running Micro TPU, with closed loop.

[acerzw]

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[duff]

@Wattsup


I forgot to mention another thing about the 2N2222.

You should also consider the Vce voltage of the transistor you select. The 2n2222 only has a 30V max rating.

I'm seeing spikes at my collector of 200V.


-Duff

[MACEDONIA CD]

HI   ROBERT  THANKS 
I SEE HERE  IS FORKING  SOMTHING  OK
IS GOOD
FOR EM..
EJ MAN WAY YOU NOT TALKING WHIT ME  WHERE ARE YOU   
IS GOOD   YOU MAKE  THIS SMALL TPU  . 
I SEE HERE IN THIS FORUM HAS A PROBLEM  HM .......
I NOW  WHANT TO SAY END REMEBER THIS TO ALL
WORDS OF SM...... MY DIVICES IS LIKE RECIVERS   
...  YOU HAVE ENRGY ALL OVER YOU  IS THERE  >>>>> SM SAID EARTH MAG FILD  HMMMMMM
THE PROBLEM IS HOW YOU WHILL MAKE  A RECIVERS   HMMMM
SM SAID 
IF YOU MDE MANY OF THAT  THEN I GET SOMTHING  HMMMMMMMM
EXPLANE
IF YOU ARE GOOD  ELETRONICS MAN AND IF YOU KNOW HOW IS WORKS SIMPLE RECIVER  THEN YOU MAKE SOME GOOD RECIVER  <<<IM STABILITY RECIVER>>>OK
WAY IS NOT FORKING LONG TIME  ANSVER
THIS  IS TPU  OF MY MAN  HAS  2 THINGS <<<<<L AND C>>>>> OK
HOW IS MADE SIMPLE RADIO RECIVER .......>>>>>>>>>>>>>>>>>>>>>>>
YOU MADE COIL  AND CAP IN THE PARALEL  OR SERILA  IS NOT VERY IMPORTANT
THEN IN THIS  2 ELEMENTS YOU CAN CATCH  THE SOME  FREK. 
THE FREK  IS DEPENDET OF  WHAT  IS L  AND  WHAT IS C  THIS IS FOR A  THE FREKF
OK WAY IM SAID THIS
IN THIS SIMPLE RECIVER   YOU HAVE SOME FREK   BUT IS NOT  A STABILYTI  AND PRECISLY ONE FREK  ... THE RECIVERS  HAD NO  STABYLYI  FOR CATHCH THIS FREK
WAY I SAY THIS  IF YOU HAVE GOOD RECIVER    THIS RECIVER  HAS THE SAME 2 ELEMENTS<<L AND C>> BUT  AND HE HAS  ONE THING  ELEMENT HO HAS ABLE TO  GET STABILITY  TO CATCH  SINGLE ONE FREK.. 

I SAID THIS BEACOUSE THIS
THIS TPU  IF    IS LIKE RECIVER   OF EARTH HZ  IS OK  BUT HE HAS NOT STABILITY
THAT IS REASONS WAY HE FORK 4  OR 5  OR 2  OR 1 MIN
IF YOU MAKE SIM. RECIVER  AND YOU LISTEND THE RADIO  ON HIM   
WHAT WHILL  WE HAPEND
HMMMMMM    << FIRST  YOU LISTND ONE STATION  THEN SOME  ONE OR 2  SECOND YOU CAN LISTEN ANTHER STATION AND  THEN YOU CAN LISTNED ALL STAIONS IS LIKE YOU MOVE SCALE  ALL TIME  WHIT NO STOP   AND IN THE END YOU CAN LISTEND ALL  BUT  YOU CAN NOT LISTNED  THIS STATION  YOU WHANT
THAT IS THE REASONS  WAY  IS NOT WORKING LONG TIME

I LIKE TO HELP SOME THINGS
IF YOU ARE GOOD ELTRONICMAN  YOU CAN FIND  A  HOW TO TUNE  EXSACTLY FREKFENCY  YOU WHANT  <<EARTH>>> AND YOU WHILL MADE WHIT  L  AND C   IS OK
  BUT  L  MUST  BE  EXSACTLY    IN HENRY  AND  C   IS  CAP
AND YOU  HAD FORMULA  FOR  L AND C   =  EARTH 
THEN HOW TO GET ALL TIME  YOU RECIVER  TO BE A STABILITY  TO CATCH THIS  HZ  HMMMMMM
IN THE END  YOU CAN GET  ALL TIME  THIS LED TO LIGHT   
THIS LED IS A HAVE LITLE TIME  TO START TO LIGHT   THEN IS START TO LIGHT  SOME MIN.  THEN IS GONE   THEN IF YOU WAIT  THEN WHILL AGAING MAYBE  WHILL COME THE  LIGHT AGAIN 
LIKE SIMPLE RECIVERS  YOU TUNE  ONE STATION YOU LISTEND  THIS  AND  THEN ANTHER   THEN IS BACK AGAIN THIS STATION AND THEN IS GONE  AND.... AGAIN THE SAME THING  ALL TIME  WHIT  WATHING SOME TIME
THAT IS FOR NOW SE YOU  IF YOU GET SOME PROGRESS
BY THE WAY
HOW YOU WHILL MAKE  A ANTENA FOR YOU RECIVER  FOR   THIS  <<BIG TRANSMITER>>
IS  LIKE AAAAAAAA AL   OR      MANY  THANK  AND THING OF THIS 
GREATHINGS  FROM  POOR  COUNTRY  <<MACEDONIA>>

[EMdevices]

Hey there Macedonia CD,Ã,  we'll have to try receivers nextÃ, 

Guys, I tried my circuit with a regular LED and it didn't last nearly as long.Ã,  I think the original LED I have is realy efficient, it has a low voltage drop in forward bias, etc..Ã,  It's the small type of LEDs, found it in a box of electronics a friend gave me, so I don't have specs on it.
wattsup,Ã,  that red dot next to the transistor is the small cap.Ã,   I forgot to mention that I also swaped the caps from the previous picture I posted.Ã,  Like duff was saying the other red object is the diode I just left on the board.

So what do we do with this circuit now?Ã,  

well, I've now been playing with interference of two oscillators and magnets, etc..Ã,   I got a setup that produces so much random noise and spikes it's incredible.Ã,  I take the LED out and hook up another coil on a ferrite and bring that close to the torroid, and they interfere with themselves and cause havok.Ã,  It's very interesting.Ã,  It's a mixer all right !!!

EM

[sanmankl]

Hello,

After some false starts (wire too small, etc), I've managed to get this working. Best time I got is 15 minutes 30 seconds. In the course of switching wires, etc I found out that if I put my led in reverse polarity i.e. anode to coil and cathode to gnd, I don't burn up leds anymore....

I've also put the led anode (positive) leg to between the R and C and the negative to coil, it blinks as well. I haven't check the time yet but it's much better than the 4 minutes + that I got much earlier. I'm not sure what it will do? increase the run?

I'm charging my capacitor with a 9V battery (more like 8.83V)

Measured the frequency with my DVM across the led and I got 3.4Hz. Transistor is a BC337-25 and RC is 1MOhm and 1uF tantalum.

My attempt is as in the picture.

Regards, cp