LED - Voltage Meter - 5min / $5 - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 18 (permalink) Old 10-09-2013, 11:28 AM Thread Starter
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LED - Voltage Meter - 5min / $5

I added an LED volt meter to my bike yesterday, along with a bunch of LED bulbs to lower the power consumption. So far, very happy with the results.
Forgot to take pictures last night, but I'll get the pictures and update the post once I get home and take her for a spin this afternoon.

Instruction is pretty simple... Buy this if you want to make your own case, or if you're like me and bought it before they introduced the version with the case:
http://dx.com/p/jtron-0-36-led-4-dig...3-5-30v-248052

Or you can get this one which is in a case:
http://dx.com/p/jtron-0-28-led-3-dig...0-30-0v-247060

Or you can use this if you want to get an ammeter as well so you can see the amperage of an accessories or something. Dont know if there's a way you can wire it to see the actual usage of the whole bike plus accessories though.
http://dx.com/p/0-28-led-3-digital-d...00v-10a-236213

Seriously considering upgrading to this one now though:
http://dx.com/p/multi-functional-car...k-green-231790
It adds temperature, which you can use one attached to the voltage regulator or the engine for engine temp.

I bought the stripped panel version for $3 a long time ago and I use it to test batteries on the bench and what not when I don't want to find my multimeter.
Took the headlight off, stripped the wire, wrapped it around the right blinker driving light (Black/Yellow is ground, Blue is Positive), and it came right up when I turn the key. I used plastidip to "weatherproof" it, and hot glued it to the center of the console in between the speedo and tach. Rode around a bit and it was steady on there. Will find a more permanent solution, or upgrade to the fancy one with a clock and temp.

I also ordered the 1157 and 1156 LEDs from that website. It's a decent online Chinese retailer, quality is okay, the price is great, shipping takes about 2 weeks or so, but it's free so I'm okay with that.
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post #2 of 18 (permalink) Old 10-09-2013, 11:35 AM
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Quote:
Originally Posted by vinhtvu2 View Post
I added an LED volt meter to my bike yesterday, along with a bunch of LED bulbs to lower the power consumption. So far, very happy with the results.
Forgot to take pictures last night, but I'll get the pictures and update the post once I get home and take her for a spin this afternoon.

Instruction is pretty simple... Buy this if you want to make your own case, or if you're like me and bought it before they introduced the version with the case:
http://dx.com/p/jtron-0-36-led-4-dig...3-5-30v-248052

Or you can get this one which is in a case:
http://dx.com/p/jtron-0-28-led-3-dig...0-30-0v-247060

Or you can use this if you want to get an ammeter as well so you can see the amperage of an accessories or something. Dont know if there's a way you can wire it to see the actual usage of the whole bike plus accessories though.
http://dx.com/p/0-28-led-3-digital-d...00v-10a-236213

Seriously considering upgrading to this one now though:
http://dx.com/p/multi-functional-car...k-green-231790
It adds temperature, which you can use one attached to the voltage regulator or the engine for engine temp.

I bought the stripped panel version for $3 a long time ago and I use it to test batteries on the bench and what not when I don't want to find my multimeter.
Took the headlight off, stripped the wire, wrapped it around the right blinker driving light (Black/Yellow is ground, Blue is Positive), and it came right up when I turn the key. I used plastidip to "weatherproof" it, and hot glued it to the center of the console in between the speedo and tach. Rode around a bit and it was steady on there. Will find a more permanent solution, or upgrade to the fancy one with a clock and temp.

I also ordered the 1157 and 1156 LEDs from that website. It's a decent online Chinese retailer, quality is okay, the price is great, shipping takes about 2 weeks or so, but it's free so I'm okay with that.

So where ya puttin' that inside temperature thingy? Hmmmm

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post #3 of 18 (permalink) Old 10-09-2013, 03:12 PM Thread Starter
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I just ordered the multi-functional one, so I'm not sure where I'll mount it yet. Will decide once it come in, but most likely the same spot, on top of the center mount between the speedo and tach.

As far the temp sensor itself? I'd probably run the "outdoor" temp down to either the radiator, behind the fan area. Or maybe the air temp coming into the intake? No clue. That doesn't really do anything for me except inform me how hot/cold it is.
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post #4 of 18 (permalink) Old 10-09-2013, 07:15 PM
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I am looking to add a similar setup on my Vulcan but I do have a concern regarding the moisture resistance. I want to add a small switch panel between my handlebars and right now I am looking for the right waterproof switches. I intend to add a small digital meter at that time and just want to be sure I do not go through all the work just to have corrosion destroy it in a few short months. Let us know how it all holds up for you and good luck. I look forward to future feedback on your success.

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post #5 of 18 (permalink) Old 10-10-2013, 08:34 AM Thread Starter
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Here's a picture:

I bought the "bare" version because I was going to use it in a different project. I used Plastidip, not the spray kind, but the brush on kind, and gave it a good thick coverage. Then just hot glued it to the middle. It actually looks pretty good. I think the version that's encased would be better. I keep my bike in the garage, but I don't forsee a problem if it get a little wet.

After two days of riding, I realize there's probably an issue with my charging circuit. Will have to start troubleshooting that now.

Last edited by vinhtvu2; 10-10-2013 at 08:41 AM.
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post #6 of 18 (permalink) Old 10-10-2013, 09:19 AM
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Did you put that in some kind of case? I can't really tell in the picture



Old Bike: 2006 VN750 - Sold

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post #7 of 18 (permalink) Old 10-10-2013, 10:11 AM
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Quote:
Originally Posted by eusjma View Post
Did you put that in some kind of case? I can't really tell in the picture
He got the one without the case. Looks as if he mounted it to some kind of backing and then just went around the unit with the liquid rubber stuff.

The second link in his first post shows one available with a case. Cheap price on these for sure, only hope they last (and are/remain accurate)

I didn't see a figure for how much power the unit uses.

And I hope your bike makes more than 11.7 volts...

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post #8 of 18 (permalink) Old 10-10-2013, 10:14 AM Thread Starter
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No, I didn't. Just plastidipped it and hot-glued it. I keep my bike in the garage, and dont usually take it out during the rain, so I don't think moisture will be a problem.

I just added it on to see how it'd look and if it'd work.

I ordered this one already:
http://dx.com/p/multi-functional-car...ck-blue-231813

Will silicone the case and weather-proof that one better and permanently mount that.
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post #9 of 18 (permalink) Old 10-10-2013, 10:58 AM
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I stumbled onto that website the day before you posted this, lots of stuff on there, I'm still browsing through it all..

Hope you post back with results on those LEDs, might get some myself if they're any good.

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post #10 of 18 (permalink) Old 10-11-2013, 08:39 AM Thread Starter
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Alright, after a few days with it mounted, and riding with it, I think it'll do. I'm still waiting for the other one to come in, but if you don't want a busy dash with too much information, this will work for a voltmeter.

There might be something wrong with my charging system though, I'm only reading 11.5-11.8 when the engine is off, when idle, it's about 12.0, when riding and revving a little, it go to 13.4. At about 3K RPM and above, it's about 13.8.

Do I need to look into the charging system or the voltage regulator/rectifier? I de-goated a few days ago as well, so shouldn't be too hot under there, but I might move the R/R anyway and see if that help.
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