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LEDBrick Reef Aquarium Lighting

An emitter + driver + controller board stack for Reef Aquarium lighting

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Description

An aquarium LED lighting setup using custom PCBs

Details

8 channel custom LED emitter board for UV, Blue, Royal Blue, White, Green, Red, PC Amber and Cyan
8 channel Texas Instruments LM3414 driver board with stacked header for a control board. 24V main power input
Bluetooth Low Energy nRF51 based 8 channel PWM light controller board with 12V fan header.

Available under the CERN license.

https://github.com/theatrus/ledbrick

PCBs pre-loaded into OSHPark:

https://oshpark.com/shared_projects/EGdurbme

https://oshpark.com/shared_projects/7uwwfspd

Files

ledbrick_pwm.PDF Schematics, BOM, and board layout images Adobe Portable Document Format - 3.12 MB - 01/16/2016 at 07:03	Preview	Download

Components

1 × 4.6" Serated HeatsinkUSA.com Profile in 4inch width
1 × 80mm thin fan
8 × LM3414 Interface and IO ICs / Display Interface
38 × High power (3W) LEDs in Rebel ES, Cree XP, Oslon Square and Rebel UV footprints
1 × nRF51822

View all 6 components

Project Logs

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Bluetooth LE controller board firmware
Yann Ramin • 01/21/2016 at 16:44 • 0 comments

Firmware for the Bluetooth LE board is now available on GitHub: http://github.com/theatrus/ledbrick
PWM setting, fan and temperature monitoring are both supported, with a fan-off failsafe. Temperature fail-safe and fan-spin-down is coming soon.
I'm also working on the BLE central controller, running on an RPi. Updates on that soon.
Acrylic case
Yann Ramin • 01/21/2016 at 16:38 • 0 comments

Spent some extra time on the outer acrylic enclosure design - all the intake is on top, and the exhaust vents have been extensively restyled with a nice wave motif.
Laser cut from 1/8" acrylic.
Also added a fan shroud to prevent internal air recirculation from the heatsink. The 80mm fan sits directly on top of this (spaced with rubber washers)

View all 2 project logs

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