Author Topic: DIY electric heated seat  (Read 8744 times)

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Offline Rev Ryder

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Re: DIY electric heated seat
« Reply #25 on: January 16, 2014, 10:05:51 pm »
Here is a parts list that is fairly complete I think as far as essentials for the Heat-troller.  Remember, this is for all three channels.  If you want to just build a single channel, then the parts required goes way down.  But these things are dirt cheap and often you have to buy 5 or 10, or even 25 to get one.  But when 25 costs a dollar, it ain’t too serious.  If I had time to dig around, I might have enough stuff to build another of these.  But the time spent digging would be worth more than the ordering of new stuff. LOL

QTY   PART   DESCRIPTION
3   IC1, IC2, IC3                     NE 555 Timer Integrated Circuit
3   C1, C2, C3                             Capacitor, 0.01uf @ 100v
3   R3, R7, R11                     Resistor, 1K Ohm @ 5%, ¼ watt
6   R2, R6, R10, R4, R8, R12     Resistor, 4.7K Ohm @ 5%, ¼ watt
3   R1, R5, R9                             Resistor, 3.3K Ohm @ 5%, ¼ watt
1   D7                                     Diode, Rectifier 1N4001, 1 amp @ 50v
6   D1, D2, D3, D4, D5, D6     Diode, Signal 1N4148
3   C4, C5, C6                             Capacitor, 0.033uf @ 5%, 50v
1   C7                                     Capacitor, 47uf @ 25v
3   Q1, Q2, Q3                     MOSFET, N-channel power IRF540 is the one I used, but others could be substituted.
3   R13, R14, R15                     Resistor, Potentiometer, 300K Ohm

You will also need a small circuit board.  I usually just get a little one from Radio Shack.  I don’t do etching either and generally just use jumpers or trace solder around the board for short hops.  I recommend using a socket for the IC’s to prevent burning them when soldering in the tiny pins.  They don’t cost much and RS has them in stock.

As far as capacitors go, I just use the ceramic disc type for almost everything.  The potentiometers are the harder thing to find.  You can probably substitute just about any pot from 100K to 1000K Ohm and still get it to work… the adjustments would just be in different places on the scale.  You can get any of this stuff from DigiKey or Radio Shack or eBay or a million other sources.  Sometimes a dollar buys a LOT of parts. LOL  I hope this helps out for those wanting to roll their own.
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Offline WillyP

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Re: DIY electric heated seat
« Reply #26 on: January 16, 2014, 11:39:39 pm »
Here's another: 12 Volt Speed Controller | Qkits though I think 15A is massive overkill. Here's one rated 8A, for a lot less money: LEDwholesalers PWM Dimming Controller For LED Lights or Ribbon, 12 Volt 8 Amp, 3301 - Amazon.com
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Offline stevewfl

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Re: DIY electric heated seat
« Reply #27 on: January 16, 2014, 11:56:30 pm »
whats all this DIY chatter, one can pick up heated seat gig on ebay for pennies ready to go  :great:
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Offline BDF

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Re: DIY electric heated seat
« Reply #28 on: January 17, 2014, 12:04:58 am »
THAT is the very one I tried to find but could not- thanks Willy! That is an ideal controller for heated gear.

Yep, 8 amp is fine for a heated seat but those controllers can be used for any / all heated gear, and a complete set of Gerbings draws around 12 amps so the larger controller could be useful for other, non 'seat only' use.

Brian

Here's another: 12 Volt Speed Controller | Qkits though I think 15A is massive overkill. Here's one rated 8A, for a lot less money: LEDwholesalers PWM Dimming Controller For LED Lights or Ribbon, 12 Volt 8 Amp, 3301 - Amazon.com
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Offline gottaride

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Re: DIY electric heated seat
« Reply #29 on: January 19, 2014, 03:31:05 pm »
Received the 20w 7.5" x 9" pad and left it with PowerSport Seats in Calgary so Andrea can finish tweaking the foam to custom fit and stitch up new cover. The pad is just the right size IMHO to fit the stock unmodified seat. We widened the hip support area and did this and that but the pad covers just the area where it's needed. Looking forward to testing :motonoises:

Offline Rick

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Re: DIY electric heated seat
« Reply #30 on: January 20, 2014, 12:01:29 am »
Yeah no worries Rick let me know how it works out for you. Are you gonna stick with a on/off switch it comes with?

Ok, got the heatdemon kit a few weeks ago.  Installed it yesterday in the seat and just a power switch for now.  Gets damn hot!  I think I like it!  Gotta figure out a more permanent install for the wiring now and get some sort of controller for it.

Offline Rick

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Re: DIY electric heated seat
« Reply #31 on: January 20, 2014, 12:19:29 am »
So, I'm thinking I don't need variable heat control. High/low will be just fine.  I kinda like the idea of a signal flasher module to do the 50/50 low setting.  What type of flasher module does the C14 have?  2 connector or 3?  Might as well use the same plug config as stock.

Offline WillyP

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Re: DIY electric heated seat
« Reply #32 on: January 24, 2014, 08:28:31 pm »
THAT is the very one I tried to find but could not- thanks Willy! That is an ideal controller for heated gear.

Yep, 8 amp is fine for a heated seat but those controllers can be used for any / all heated gear, and a complete set of Gerbings draws around 12 amps so the larger controller could be useful for other, non 'seat only' use.

Brian

Here's another: 12 Volt Speed Controller | Qkits though I think 15A is massive overkill. Here's one rated 8A, for a lot less money: LEDwholesalers PWM Dimming Controller For LED Lights or Ribbon, 12 Volt 8 Amp, 3301 - Amazon.com



Even for a full set of gear, you'd use 2 and divide into zones.

If you are going to use a flasher, you probably want an electronic one. The mechanical ones will vary rate with load, as they use a small heater inline with the load to operate a bi-metal to open the circuit.
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Offline Rev Ryder

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Re: DIY electric heated seat
« Reply #33 on: January 25, 2014, 03:55:42 am »
I know I've heard folks who have had this work great, but I know with my gear the flasher made almost no heat. 
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Offline WillyP

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Re: DIY electric heated seat
« Reply #34 on: January 31, 2014, 03:23:09 am »
The heater inside the flasher isn't big enough for you to feel the heat, it's just there to heat the bimetallic, thereby opening the circuit, which shuts off both the mini heater and the load on the flasher.
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Offline Rev Ryder

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Re: DIY electric heated seat
« Reply #35 on: January 31, 2014, 04:00:44 am »
OK WIlly Wise Guy...  :nananana:
I know with the flasher, my gear made almost no heat.  There... that better?  As they say down under, "Me no spreckenz ze Ingrish so bueno, Homey."
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Offline WillyP

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Re: DIY electric heated seat
« Reply #36 on: January 31, 2014, 08:16:22 pm »
 :rotflmao:

Seriously, though, the more current your gear draws, the faster the flasher will heat up and turn off. And that means less heat in your gear, because it will still be off for about the same amount of time.

Given the price of a pwm controller, I wouldn't bother with a flasher.
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Offline Rick

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Re: DIY electric heated seat
« Reply #37 on: January 31, 2014, 08:46:04 pm »
OK WIlly Wise Guy...  :nananana:
I know with the flasher, my gear made almost no heat.  There... that better?  As they say down under, "Me no spreckenz ze Ingrish so bueno, Homey."

Did you use an electronic flasher?  If so, did you try heating the seat up on "high" and then switching to the flasher to maintain the heat?  Just curious as that is the direction I am currently leaning.

Offline Rev Ryder

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Re: DIY electric heated seat
« Reply #38 on: January 31, 2014, 08:58:32 pm »
OK WIlly Wise Guy...  :nananana:
I know with the flasher, my gear made almost no heat.  There... that better?  As they say down under, "Me no spreckenz ze Ingrish so bueno, Homey."

Did you use an electronic flasher?  If so, did you try heating the seat up on "high" and then switching to the flasher to maintain the heat?  Just curious as that is the direction I am currently leaning.
Yes
and No
Yes, I did use an electronic flasher.  Figured 50% duty cycle.  Yes, it WAS sending the juice to the gear, but the heat gained in the gear was almost imperceivable. 
 and
No, I did not try bringing it up to temp and then switching it over.  This was only a heated jacket and gloves rather than a seat, but same principle.
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Offline AirMonger

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Re: DIY electric heated seat
« Reply #39 on: February 05, 2014, 12:37:35 am »
Ok, pricey. With the heat pad and this, I might think about venturing out more often when it finally does get cold down here. What I like about this is it is wireless. When I change my mind about what I thought was the best place for it, no holes to plug or cover. A nice addition to my heated grips. Available from Adventure Moto Stuff.
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Offline AirMonger

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Re: DIY electric heated seat
« Reply #40 on: February 07, 2014, 01:47:15 am »
Ok. I sprang for the heat demon seat pads @ 25 a pop. I bought three, one for the Conc and two for the Wing. I will place the C10 pad under the seat cover. On the Wing I am going to attach them to the bottom of of our sheep skins. I am purchasing dual controllers for both bikes as well. The one for the Wing will cover both skin covers, the Wing has heated grips installed already. The C10 has heated grips as well now, but I am thinking of having the option to run not only the seat pad, but possibly a vest as well. I know that it does not take much to overwhelm the charging system so I will approach all heated accessories with caution. I am pretty much sticking to the pad and the grips at this point, it is just nice to have the option of  additional equipment available. As far as the Wing is concerned, I think I could jump start a small aircraft carrier with that pig. A overstatement I know, but Honda did their homework with the tourpig alternator.
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Offline Rev Ryder

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Re: DIY electric heated seat
« Reply #41 on: February 07, 2014, 01:54:38 am »
There is always the ZZR1200 alternator upgrade that will add about another 50% to alternator output.  Just reminding.
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Offline AirMonger

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Re: DIY electric heated seat
« Reply #42 on: February 07, 2014, 02:25:10 pm »
Thanks Rev. I will look into that. I know I took the easy way out on buying my controllers but I am spending way to much time at work and my projects are stacking up. Just not enough time. I have a new granddaughter to top it off so now I have to find time to make it to Edna as often as possible. I know you are in El Campo so I would like to ask what kind of reputation the Honda dealer has there on 59? I need to take the Wing in for a recall and I need to use either them or Dale's in Victoria. Will not use Irv Thomas in CC at all. If you have any experience with either of the two in your area I would appreciate the feed back.
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Offline Rev Ryder

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Re: DIY electric heated seat
« Reply #43 on: February 07, 2014, 03:33:51 pm »
Thanks Rev. I will look into that. I know I took the easy way out on buying my controllers but I am spending way to much time at work and my projects are stacking up. Just not enough time. I have a new granddaughter to top it off so now I have to find time to make it to Edna as often as possible. I know you are in El Campo so I would like to ask what kind of reputation the Honda dealer has there on 59? I need to take the Wing in for a recall and I need to use either them or Dale's in Victoria. Will not use Irv Thomas in CC at all. If you have any experience with either of the two in your area I would appreciate the feed back.
I don't know them all that well, but I go in occasionally to buy stuff.  They've always treated me top shelf.  I know other guys who take their Wings there for service and repair and they DO have some good techs in house.  Nice guys too. Out illustrious potentate for the SC region, Fred_Houston, has a buddy who brings his Wing here from Houston regularly.  They must be doing something right.  THey have also given me some junk stuff laying around that I scavenged to build other stuff.  I got old motorcycle crates and built a powdercoat oven from them and I got an old, smashed GSXR fuel tank for the fuel pump ring to put an internal fuel pump on the turbo.  They've also wasted time visiting with me just for grins.  I reckon I'd better recommend em. LOL   :)

I am also overseeing Edna Presbyterian Church as they are without a pastor for the past year and a half.  I expect to be relieved of that duty in the next few months though.  Anyway, I am in Edna a fair amount. It's just 30 minutes from my house.

 
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Offline gottaride

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Re: DIY electric heated seat
« Reply #44 on: February 09, 2014, 11:56:03 pm »
Hey AM
Before you do your connie seat pick up some open cell 1/4" thick foam to cover the heat pad and a bit more. If you don't the shape of the pad will "read" and wear more quickly through the seat cover. Adding a thin foam top layer over heat pads is standard practise.
« Last Edit: February 10, 2014, 12:02:10 am by gottaride »

Offline AirMonger

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Re: DIY electric heated seat
« Reply #45 on: February 10, 2014, 12:17:07 am »
I was actually considering "burying" it, by that I mean skinning or filleting about 3/8's of an inch of foam from the top of the seat and reapplying it with contact adhesive spray. This is to be determined after I remove the forward portion of the cover. I will do some experimenting with the pads ability to transfer heat through the foam. As we all know, foam is a very good insulator and could keep the heat from radiating outwards. By the time I get done doing this it will be 90* outside and I won't know or need it till next year. That temp will be with us in South Texas sooner than you can imagine. Shoot,  I grow tomatoes here in the winter. We rode 215 miles today, started with 54* and cloudy, hit 74* and sunshine, and ended with 55* and zero visibility fog on the way home. How's that for some crazy weather?
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