LED STOPLIGHTS???

[nz rider]

I WAS THINKING OF FITTING A LED STOP LIGHT .ANYONE OUT THERE DONE THIS ?

[Sniper]

Not me, dont GSX-R's come out standard with them?

[guzzi_nz]

Was looking at some leds on e bay other day there is some realing cool one in the state for alot of newer bikes

[Zed]

I WAS THINKING OF FITTING A LED STOP LIGHT .ANYONE OUT THERE DONE THIS ?

I've fitted a clear rear stop/tail lens and 2 x large LED bulbs to my beast. Major improvement in brightness, and look sharp!

I purchased mine from ClearAlternatives online. Good price & service.

[sAsLEX]

I WAS THINKING OF FITTING A LED STOP LIGHT .ANYONE OUT THERE DONE THIS ?

I designed a quick circuit to run a large array of LEDs to make in to a brake light



whipped up a bread board and made a prototype with a few normal LEDs, but plan is to use some surface mount High brigtness High Viewing angle ones I have.
They are quite bright as running lights and real bright on full power, have the currrent limeted to ensure the LEDs last a long time and have them switchin on and off at 100hz to save a touch of power, like bugger all but needed something to fill time

quick movie here -->LIGHTS

[RDJ]

I've fitted a clear rear stop/tail lens and 2 x large LED bulbs to my beast. Major improvement in brightness, and look sharp! I purchased mine from ClearAlternatives online. Good price & service.

Done the same - very marked improvement in brightness not just on tail light but on braking even more so.

However, I first bought mine from Clear Alternatives in clear and smoked lenses. First they sent me one wrong one (for a Deuce not a V-rod) and on both the finish was I regret to say, poor. The cost of sending them back to the US being close to what it cost me to get them, I wrote it off to experience. (YMMV).

Found a very much better (but more expensive) LED light for both T-sport and V-rod at Heavycycles (www.heavycycles.com) and would recommend these units unreservedly. They really do make a difference especially when braking in heavy, bumper-to-bumper traffic.

[Pixie]

I designed a quick circuit to run a large array of LEDs to make in to a brake light



whipped up a bread board and made a prototype with a few normal LEDs, but plan is to use some surface mount High brigtness High Viewing angle ones I have.
They are quite bright as running lights and real bright on full power, have the currrent limeted to ensure the LEDs last a long time and have them switchin on and off at 100hz to save a touch of power, like bugger all but needed something to fill time

quick movie here -->LIGHTS

FYI I googled LED Drivers and discovered that some semiconductor companies
have I.C.'s that drive stop/tail/indicator lights (LED) specifically for bikes.
I can't remember the company and don't know the availability.
I was looking for high frequency I.R.led drivers
P.S. will this driver run at 4 MHz with the right oscillator

I never said it was for a LIDAR jammer,honest

[Two Smoker]

I LOVE THE LED'S ON MY GIXXER mmmmmmmmm gixxer *drools*

[sAsLEX]

FYI I googled LED Drivers and discovered that some semiconductor companies
have I.C.'s that drive stop/tail/indicator lights (LED) specifically for bikes.
I can't remember the company and don't know the availability.
I was looking for high frequency I.R.led drivers
P.S. will this driver run at 4 MHz with the right oscillator

I never said it was for a LIDAR jammer,honest

yeah I know but the cost of them was an issue, and couldn't find a stockist in NZ plus would need a few for the number of LEDs I want.

The thing that does the switching is a 555 timer which can do up to 3Mhz I think from a quick googling

[FlyingDutchMan]

Heres a design that I came up with a while ago. Its very easy to expand by simply adding more columns of LEDs like the one on the right.

[Pixie]

yeah I know but the cost of them was an issue, and couldn't find a stockist in NZ plus would need a few for the number of LEDs I want.

The thing that does the switching is a 555 timer which can do up to 3Mhz I think from a quick googling

I think the best a 555 can do is 2 MHz-I looked at them and settled for a square wave generator using a 74 HC 04 Hex inverter chip,which will probably run to over 10MHz
I'm also using a simple driver using a PN100 and a PN200 and a MTP3055
this is happy to run at 4 MHz and the 3055 is rated at 12 amps,though I'm only running 12 LEDs at 100 mA each

Have you seen the 1W and 5W LEDs with side emission lenses?
These are designed to work with standard reflectors in torches and vehicle lights,which the 20 and 30 degree emission packages are usless at.

I'll see if I can dig up a cct diagram and post it

[FlyingDutchMan]

I think the best a 555 can do is 2 MHz-I looked at them and settled for a square wave generator using a 74 HC 04 Hex inverter chip,which will probably run to over 10MHz
I'm also using a simple driver using a PN100 and a PN200 and a MTP3055
this is happy to run at 4 MHz and the 3055 is rated at 12 amps,though I'm only running 12 LEDs at 100 mA each

Have you seen the 1W and 5W LEDs with side emission lenses?
These are designed to work with standard reflectors in torches and vehicle lights,which the 20 and 30 degree emission packages are usless at.

I'll see if I can dig up a cct diagram and post it

100mA throough LEDs hell, I'd be surprized if they lasted an hour at that current level.

I do have a 5W green LED, from lumileds. I use it as a torch for tramping at night - gives pretty good lighting for about 30 or 40m. A couple for brake lights will get the cagers attention from miles away.

You can finally get 3W red & amber LEDs from them http://www.lumileds.com/products/line.cfm?lineId=2. Just another project to work on when I have the capital.

[nz rider]

I just thinking of buying a bulb of trademe for about $30

[Pixie]

I just thinking of buying a bulb of trademe for about $30

You might find them cheaper at jaycar.com.au (they have stores in NZ)

[Pixie]

100mA throough LEDs hell, I'd be surprized if they lasted an hour at that current level.

I do have a 5W green LED, from lumileds. I use it as a torch for tramping at night - gives pretty good lighting for about 30 or 40m. A couple for brake lights will get the cagers attention from miles away.

You can finally get 3W red & amber LEDs from them http://www.lumileds.com/products/line.cfm?lineId=2. Just another project to work on when I have the capital.

The duty cycle allows them to run at this current with out over heating.
Jaycar has Luxeon equivalents that are much cheaper.

Silicon Chip magazine did a LED brake light project and I don't think they bothered with transistor switching or pulsing the driver current to save power/extending LED life ,After all, the bike already drives a 20W incandescent and the LEDs commonly have 100,000 hour life spans .I don't think your bike will last that long.