New to building , about to embark on an OKR mod

[chadsmo]

I'm sure the answers to these questions are here somewhere but I just don't know where to start looking.

I've decided to build an OKR T10 box. I don't use reddit but was doing some searches there and found this.

http://www.reddit.com/r/cujo/comments/22jnpf/my_parts_list/

Now when I watched Goss's video of building a Duke he only uses the chip , a switch , 510 , battery sled and potentiometer.

My question is what is all the extra stuff for in that list. I found a wiring diagram for all those parts so I can build it easily enough but I'm just curious what they do and if they're truly needed.

I've ordered the OKR , pot, some magnets for the door , a few switches, a volt meter and a Fat Daddy 510. I think I'm going to use this for the box , it's a tad bigger than some of the popular ones but for my first build I want the extra space.

http://www.amazon.com/gp/aw/d/B005T...colid=3HPOCBTSFLQCA&coliid=IBFM42QQPY8G8&vs=1

Any help or links would be truly appreciated. Thanks.

 

[rhelton]

I'm sure the answers to these questions are here somewhere but I just don't know where to start looking.

I've decided to build an OKR T10 box. I don't use reddit but was doing some searches there and found this.

http://www.reddit.com/r/cujo/comments/22jnpf/my_parts_list/

Now when I watched Goss's video of building a Duke he only uses the chip , a switch , 510 , battery sled and potentiometer.

My question is what is all the extra stuff for in that list. I found a wiring diagram for all those parts so I can build it easily enough but I'm just curious what they do and if they're truly needed.

I've ordered the OKR , pot, some magnets for the door , a few switches, a volt meter and a Fat Daddy 510. I think I'm going to use this for the box , it's a tad bigger than some of the popular ones but for my first build I want the extra space.

Hammond 1590BRD Red Diecast Aluminum Enclosure -- Inches (4.39" x 2.34" x 1.06") mm (112mm x 60mm x 27mm):Amazon:Industrial & Scientific

Any help or links would be truly appreciated. Thanks.

Those extra parts are for the volt meter and battery v status I believe. I also will be ordering parts tomorrow for a project of my own. It will not have no meter inside, but will try to put a real nice pot on it. I am reading now to try and find what pot and resistor combination will give the widest range of volts available.There is a current thread from Mamu on the 20a raptor, that is where I got most of my parts list so far.

 

[Cvilledustin]

I'm sure someone else knows for sure but I believe the zener diode is for low battery cutoff

 

[chadsmo]

I'm sure someone else knows for sure but I believe the zener diode is for low battery cutoff

That would make sense because both batteries would be around 2.8v if it cuts off at 5.6v of total power.

I'll probably just buy all of it and wire it in, there is a diagram showing all of wired in.


Does every 'ground' wire just go to the negative on the battery sled or does some stuff actually ground on the box it's self ?

 

[davidegee]

you can ground to wherever suits. If you're using the FDV 510 you can use the dedicated ground point on there

 

[chadsmo]

How important is the amp rating on the switch when using the components I've listed there.

Edit. I think I've found the answer and that my 2amp switch I have on order is fine.

 

[Skyfntm]

I have also just decided to make my own okr t10 mod. What I would like to find is a wiring schematic without all the extras, such as a meeter and whatnot. I just want the okr, batts, switch, and 510 in my box. I have googled for the schematics but they all have extra added.

I will be revisiting this frequently to see how much info is shared.

Thanks for starting this thread chadsmo!!

 

[chadsmo]

I have also just decided to make my own okr t10 mod. What I would like to find is a wiring schematic without all the extras, such as a meeter and whatnot. I just want the okr, batts, switch, and 510 in my box. I have googled for the schematics but they all have extra added.

I will be revisiting this frequently to see how much info is shared.

Thanks for starting this thread chadsmo!!

It's not a diagram really but have you watched this video.

https://m.youtube.com/watch?v=E3KdkWS3P_w

 

[Skyfntm]

It's not a diagram really but have you watched this video.

https://m.youtube.com/watch?v=E3KdkWS3P_w

I have. But it doesn't show how to wire up he okr. In the vid he already has the okr wired and wrapped in electrical tape. That helps with the placement of the wires but I know there is more going on under the skirt.

 

[chadsmo]

I have. But it doesn't show how to wire up he okr. In the vid he already has the okr wired and wrapped in electrical tape. That helps with the placement of the wires but I know there is more going on under the skirt.

https://m.youtube.com/watch?v=MihNZWny_Po

Skip to around the half way mark.

I've been doing a ton of reading the last few days on this and I think I'm getting a handle on it all. You say you want a very simple circuit , chip, switch, potentiometer and not much else ?

Some problems will arise from that. You won't have a cut off for low battery discharge so you'll need to be mindful of that. You don't have a voltage meter so you can run the risk of supplying to many amps to the chip and that could fry it.

If you watch that video you hear this described , but if you don't add in a few other things you will also need a switch capable of passing 8-10 amps through it. Whereas with the build I'm using with all the other parts the switch is passing a very small amount of current so it isn't really a concern.

There is much to learn here , but I'm on my way to figuring it out.

 

[rhelton]

I have. But it doesn't show how to wire up he okr. In the vid he already has the okr wired and wrapped in electrical tape. That helps with the placement of the wires but I know there is more going on under the skirt.

I also have ordered parts to build one but I am using the 10amp GE board. I also only wanted to build a basic mod so only ordered parts to do that. I found this and it makes sense when you look at the data sheet on board.


Quote from anouther thread............

"Pin one is used when using an under rated switch to actuate the OKRT-10, when using a switch rated for the correct range it can be placed placed on pin 2 to complete the circuit. The use of pin one allows you more options for switches but using pin 2 along with PPTC and MOSFETS will give you reverse battery protection and a cushion for the chip to not fry in case of catastrophic failure."

I hope that may help, I am still going to do some homework on this and see what I come up with.

 

[rhelton]

https://m.youtube.com/watch?v=MihNZWny_Po

Skip to around the half way mark.

I've been doing a ton of reading the last few days on this and I think I'm getting a handle on it all. You say you want a very simple circuit , chip, switch, potentiometer and not much else ?

Some problems will arise from that. You won't have a cut off for low battery discharge so you'll need to be mindful of that. You don't have a voltage meter so you can run the risk of supplying to many amps to the chip and that could fry it.

If you watch that video you hear this described , but if you don't add in a few other things you will also need a switch capable of passing 8-10 amps through it. Whereas with the build I'm using with all the other parts the switch is passing a very small amount of current so it isn't really a concern.

There is much to learn here , but I'm on my way to figuring it out.

I just watched this and it corresponds perfect with the info I found on my previous post. That will make wiring the board very easy.

 

[Skyfntm]

https://m.youtube.com/watch?v=MihNZWny_Po

Skip to around the half way mark.

I've been doing a ton of reading the last few days on this and I think I'm getting a handle on it all. You say you want a very simple circuit , chip, switch, potentiometer and not much else ?

Some problems will arise from that. You won't have a cut off for low battery discharge so you'll need to be mindful of that. You don't have a voltage meter so you can run the risk of supplying to many amps to the chip and that could fry it.

If you watch that video you hear this described , but if you don't add in a few other things you will also need a switch capable of passing 8-10 amps through it. Whereas with the build I'm using with all the other parts the switch is passing a very small amount of current so it isn't really a concern.

There is much to learn here , but I'm on my way to figuring it out.

Let me refrase my statement. I'm looking to make my own duke. That is the wiring schematic I'm looking for. I don't need a voltage meeter because I will is my external if needed. And the way I vape I don't think I will have to worry about overloading anything. That vid did help me in setting up the okr.

Now that I think about it, if i take this vid and the first vid, that shows me how to wire the okr and the wiring schematics.

 

[rhelton]

Exactly.....with four pins and use of the proper switch you have P-in, -Pout, ground, and Pot. Pretty simple build seems after watching that.

 

[Skyfntm]

Exactly.....with four pins and use of the proper switch you have P-in, -Pout, ground, and Pot. Pretty simple build seems after watching that.

That is what I was thinking. I just needed to know what was going on with the chip lol

 

[rhelton]

I was over thinking the whole thing and reading the same threads over and over. Watching that video is when it all clicked. I have one of those cheap inline volt meters with the 510 on each end. I figure putting that on and running the pot from low to high will give me enough information on where to set it for each build. Maybe a second mod down the road I may use the 20a board along with a volt meter built in. For now a simple Duke will do me fine.

 

[rhelton]

That uploaded a little small will try to fix it

 

[Skyfntm]

That uploaded a little small will try to fix it

Couple of questions with this schematic, it's missing the two capacitors that I have been seeing used. Are they not needed when wired like this with the two resistors?

Also in the second video, the okr was weird up with the first (sence pin?) removed. If using a switch rated for 5+amps then you wouldn't need the first pin, am I correct? If so then how would this be weird up? Instead of having pin two and the positive out on the battery to one post on the switch with pin one to the other post, would you just take the positive out from the battery to one post of the switch and pin two to the other post?

 

[david4500]

Capacitors are optional.

Use the sense pin. It allows you to use a non rated fire switch. If you didn't use it, and just switched Vin, the switch should be rated for 10 amps.

 

[Cvilledustin]

http://www.mamumods.com/pics/okr-t10-wiring.png