[PSUBS-MAILIST] PSUBS light project status

[Alec Smyth via Personal_Submersibles]

Thanks Alan!

Alec

On Mon, Jul 4, 2016 at 11:47 PM, Alan James via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> For people with 36V systems, there are a number of high power leds
> operating off 32V, & up to 100W. This is a 50W version (note this one is a
> warm white).
> Typically the buck drivers need a minimum of 2V difference between input &
> output, although
> I can't see it in the instructions of the driver below. This set up will
> cope with the fully charged to
> low battery voltage variations & the 2V variation required for the driver.
> 50W 4000LM 2850~3050K Warm White Light 50-LED Plate Module (DC 32V)
> <http://www.dx.com/p/50w-2850-3050k-4000-4500-lumen-50-led-warm-white-light-plate-dc-32v-133098#.V3snqrh96Uk>
>
> $ 4.98
> 50W 4000LM 2850~3050K Warm White Light 50-LED Plate Module (DC 32V)
> I like this from DX. Find the cool gadgets at a incredibly low price with
> worldwide free shipping here.
>
> <http://www.dx.com/p/50w-2850-3050k-4000-4500-lumen-50-led-warm-white-light-plate-dc-32v-133098#.V3snqrh96Uk>
>
> You can then use it with this module or similar. (note this is a maximum
> of 75W)
> Constant Voltage Constant Current DC-DC Power Module for Arduino
> <http://www.dx.com/p/5a-constant-current-led-driver-module-battery-charger-red-433947#.V3sqx7h96Uk>
>
> $ 4.64
> Constant Voltage Constant Current DC-DC Power Module for Arduino
> I like this from DX. Find the cool gadgets at a incredibly low price with
> worldwide free shipping here.
>
> <http://www.dx.com/p/5a-constant-current-led-driver-module-battery-charger-red-433947#.V3sqx7h96Uk>
>
> Alan
>
> ------------------------------
> *From:* via Personal_Submersibles <personal_submersibles at psubs.org>
> *To:* via Personal_Submersibles <personal_submersibles at psubs.org>
> *Sent:* Tuesday, July 5, 2016 6:57 AM
> *Subject:* Re: [PSUBS-MAILIST] =?utf-8?q?PSUBS_light_project_status?=
>
> Well duh … this conversation got me thinking. Harold still runs 36v
> motors. Which means I have two banks of 36v onboard. Don't need a driver.
> LOL. Sometimes the obvious are the most difficult to see …. Just
> tried direct wiring and the lumens are blinding.
>
> Brian
>
>
>
> Sent from Microsoft Surface
>
>
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