FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested? - Suzuki SV650 Forum: SV650, SV1000, Gladius Forums

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Old 07-17-2012, 11:45 AM   #1
TeeRiver
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Arrow FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

The SV's trip meter works well as a fuel gauge, but range depends on the type of riding. High speed riding into headwinds can cut range by 30% or more. If you ever wanted to know exactly (down to a few ounces) how much fuel you have left, read on!

What is the FuelBot?
The FuelBot is a combined Fuel Gauge and MPG Meter. It measures fuel consumption by monitoring the SV's fuel injector signal (sorry, does not work with carbureted bikes). With additional info from the speed sensor, MPG, and instantaneous MPG can be calculated too. So far, the FuelBot has been tested on my SV650, and also on RecoilRob's SV1000 and SteveSLO's SV650, and works, well, fantastic!

How it works:
The FuelBot takes control of the SV's tachometer needle to display Fuel level, MPG, Gallons_left, and Gallons_used. Precision is one thousandth of a gallon (1/8th oz); accuracy is 2% or better (with calibration). As shown in the video below, a mode select button switches the tach between RPM mode, Fuel level mode, MPG mode, etc... Distance Till Empty (DTE) is available on the LCD.



FuelBot Unit


FuelBot Harness


The LCD below is not required for FuelBot operation. It was intended for development use only, but is handy to have, so I figured I would offer it as is. As shown, it is NOT weatherproof and requires some sort of user supplied enclosure. If you come up with a good enclosure solution, please post it!


A bare FuelBot micro-controller chip will be available for $25 shipped, including schematic, parts list and layout. All other parts are available locally or on-line. Parts and assembly were purposely kept low tech (old style thru hole assy, with an off-the-shelf RadioShack protoboard) so folks could build their own unit.

If there is demand, I will assemble some units, maybe $110 shipped for the FuelBot with harness?; optional LCD $35?; does that sound reasonable? Parts are cheap, but it takes a few hours to assemble and test. Mods, please let me know if any forum sales rules apply.

I am working on a custom enclosure for the LCD (the LCD by itself is not weatherproof) but don't have anything to show yet. RecoilRob came up with a nice enclosure solution, and I'm sure the creative folks here at SVR will have some good ideas too.

Big, big thanks to RecoilRob and SteveSLO for helping me test the prototypes and work the bugs out; your feedback and suggestions were invaluable!

Any interest in this?

Thanks!
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Old 07-17-2012, 01:44 PM   #2
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Re: FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

I'm down for the $110 version! Lol
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Old 07-17-2012, 03:14 PM   #3
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Re: FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

Makes me want to buy a 2nd gen SV just to buy your Fuelbot. Very nice.
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Old 07-17-2012, 10:20 PM   #4
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Re: FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

110 version for sure. Wish there was a GPI and Voltmeter reading on it. GPI isnt all that important but voltmeter would be very helpful. Would there be any way to incorporate that into one of the info screens?
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Old 07-17-2012, 11:25 PM   #5
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Re: FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

Very cool. Makes me wish I didn't sell the old girl!
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Old 07-17-2012, 11:32 PM   #6
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Sounds very interesting!


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Old 07-19-2012, 12:20 PM   #7
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Re: FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

Quote:
Originally Posted by RyanPatania85 View Post
110 version for sure. Wish there was a GPI and Voltmeter reading on it. GPI isnt all that important but voltmeter would be very helpful. Would there be any way to incorporate that into one of the info screens?
I have a voltmeter next to my FuelBot. It is a single 5.5 mm multi-color LED and cost less than $25,
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Old 07-19-2012, 12:32 PM   #8
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Re: FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

That is very cool. I'd be interested in one for my 2007 SV650s..would it work?
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Old 07-19-2012, 12:45 PM   #9
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Re: FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

Thought of something else....being that I live in Canada - what about metric units
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Old 07-19-2012, 12:50 PM   #10
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Re: FuelBot: Fuel Gauge and MPG Gauge for the SV650 - Anyone interested?

Quote:
Originally Posted by steveSLO View Post
I have a voltmeter next to my FuelBot.
How do you like the FuelBot so far, Steve?


Quote:
Originally Posted by bjmatush View Post
That is very cool. I'd be interested in one for my 2007 SV650s..would it work?
Yes, it will work on all fuel injected SV650 and SV1000, so any SV 2003 and later is compatible.

Do you need km and liter display? I just received an order from an SVR member in Honk Kong who requested miles and gallons be converted to km and liters. At the moment, the FuleBot is US units only, but I am tweaking the code this week to support metric.
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