OKR-T/10, T/6, T/3 schematic circuit

[Breaktru]

Nice find. Glad you got it sorted out. 

[jblack741]

Nice find. Glad you got it sorted out. 

Question Breaktru, since I'm using 26650 batteries should the pull-down res be more than 4.7k?

[Breaktru]

I personally don't use Pin 1 but those that do find 4.7k adequate for use of two series batteries. It shouldn't matter if they are 18650 or 26650. The voltage is the same.

[jblack741]

I personally don't use Pin 1 but those that do find 4.7k adequate for use of two series batteries. It shouldn't matter if they are 18650 or 26650. The voltage is the same.

Going to take it back to breadboard, it flipped on me again. On full charge to pin 1 is 8.23v and with POT at lowest vout is 3.34v. This is also the same reading I get at +510 regardless of fire button state. I'm also going to try it with 18650 and see if the circuit stabilizes.

Thanks.

[david4500]

For a 1590A passthrough mod

[david4500]

Parts:

* Custom PCB ordered from Oshpark

* http://www.mouser.com/ProjectManager/ProjectDetail.aspx?AccessID=3ade99b3bd

* http://www.digikey.com/product-detail/en/0/679-2216-ND

* http://www.amazon.com/gp/product/B0023Y9EQC?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00

* FDV v4 low profile short

* 18g stranded copper wire

[Breaktru]

Very nice David. Great work

[david4500]

Thanks for the kind words!

[Visus]

Uber nice work there David,  I use  2 AA battery holders but have atomizer overhang on everything  other than some tiny drippers it was built for..  Those are perfection..

Love the new buttoned and potted PWM boards ya made too I checked OSH  ya no share these and that?


Surprised you didn't toss in a vmeter..  Maybe you did on internals,  the first pic is 404..

[david.wjs]

Hi all, this is my first post after lurking for some time and finally joining, and it's basically to ask for some help on something that is driving me insane on my okr t10 build...

Okie dokie, my problem is that I have two T10's... One is outputting 0, nothing, nada and so I'm guessing that one is dead, the second one will only output either:
0.6v regardless of trimmer position when a 220 ohm resistor is inline

Or:

6(ish)v to 7(ish)v without the inline resistor


My setup is this -

Pin 1 - to battery plus with mechanical inline switch
Pin 2 - battery plus
Pin 3 - battery minus
Pin 4 - 510 plus (negative grounded)
Pin 5 - 200 ohm trimmer between pin and ground

There is a 1k ohm resistor across pins 1 and 3, I'm using a home brew 7.4v lipo pack

As I say, If I add the 220 ohm resistor in series with the trimmer I get 0.6v regardless of pot position, and without it I get between 6-7v (across half the pots travel)

I hope somebody can help?

[Rigure]

Hi all, this is my first post after lurking for some time and finally joining, and it's basically to ask for some help on something that is driving me insane on my okr t10 build...

Okie dokie, my problem is that I have two T10's... One is outputting 0, nothing, nada and so I'm guessing that one is dead, the second one will only output either:
0.6v regardless of trimmer position when a 220 ohm resistor is inline

Or:

6(ish)v to 7(ish)v without the inline resistor


My setup is this -

Pin 1 - to battery plus with mechanical inline switch
Pin 2 - battery plus
Pin 3 - battery minus
Pin 4 - 510 plus (negative grounded)
Pin 5 - 200k ohm trimmer between pin and ground

There is a 1k ohm resistor across pins 1 and 3, I'm using a home brew 7.4v lipo pack

As I say, If I add the 220 ohm resistor in series with the trimmer I get 0.6v regardless of pot position, and without it I get between 6-7v (across half the pots travel)

I hope somebody can help?

My first guess is the 200s ohm potentiometer. It should be 200ohm .

[david.wjs]

Oops.... "Pin 5" should be 200 ohm not 200k ohm - I'll correct that now


But, you mention a 200s, what's a 200s?

[Rigure]

Oops.... "Pin 5" should be 200 ohm not 200k ohm - I'll correct that now


But, you mention a 200s, what's a 200s?

Opps...was driving and posting...I ment a 200 ohm pot.

[david.wjs]

Ah, ok, but yup... Using a 200 ohm trimmer

[Breaktru]

0.6v regardless of trimmer position when a 220 ohm resistor is inline

Or:

6(ish)v to 7(ish)v without the inline resistor


As I say, If I add the 220 ohm resistor in series with the trimmer I get 0.6v regardless of pot position, and without it I get between 6-7v (across half the pots travel)

I hope somebody can help?

Sounds like the fixed resistor is opened or is 220K ohm and not 220 ohm. An open connection on pin #5 will give you an output voltage of 0.591 V
Measure your fixed 220 ohm resistor with an ohmmeter.

[david.wjs]

Thanks for your response!

I'll give it a whirl, but I've tested it with a number of different resistors and experienced the same with them all

[david.wjs]

Problem maybe on its way to being solved! The pack of resistors were indeed 220k, 220 ohm on order... Fingers crossed

[david4500]

For a 1590A passthrough mod

https://oshpark.com/shared_projects/JlPcIwbE

[Breaktru]

Nice david. Great