fiduciary

Author Topic: Introducing: Brewboard a FX-SaberOS board  (Read 2219 times)

0 Members and 1 Guest are viewing this topic.

Offline BipeFlyer

  • Padawan Learner
  • **
  • Posts: 52
  • Taking my first steps into a larger world.
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #15 on: June 27, 2018, 03:23:51 PM »
I'm not sure what you mean by the power being different.  This board and the Stardust should work more or less the same aside from the switches for powering down the serial and mp3 chips.

The capacitor would go on the strip.  I have never used it.

Sorry, I didn't explain that clearly.  The Diyino Stardust 3 and your plug schematic use LS1, L2 and LS3 bridged as ground for the Neopixel, but on the Brewboard it is connected to the battery/board ground.

Offline jbkuma

  • Mining Colony Members
  • Master Force User
  • *
  • Posts: 778
  • Pixels, everywhere.
    • Mad Science Workshoppe
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #16 on: June 27, 2018, 03:55:39 PM »
You can do the same thing.  There is a function in FX-SaberOS that kills power to the strips via the LS MOSFETs so as to keep it from draining the battery with background draw.

Offline BipeFlyer

  • Padawan Learner
  • **
  • Posts: 52
  • Taking my first steps into a larger world.
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #17 on: June 27, 2018, 04:45:50 PM »
That's what I thought. Perfect!

Offline BipeFlyer

  • Padawan Learner
  • **
  • Posts: 52
  • Taking my first steps into a larger world.
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #18 on: June 28, 2018, 07:13:14 PM »
Sorry to ask so many questions, but in the BOM it lists 2n7002k Mosfets.  The highest current handling I can find is 380mA.  Shouldn't it be more around 700mA to 1A for a Star LED? 

EDIT:
Would this work?
TSM850N06CX N Channel MOSFET
Package: SOT23
Logic level
ID Current: 3A
RDSon: 100 mOhm
VGS(th): Min 1.2, Max 1.8
« Last Edit: June 28, 2018, 09:14:05 PM by BipeFlyer »

Offline Kolgrima

  • Padawan Learner
  • **
  • Posts: 95
  • Never tell me the odds!
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #19 on: June 29, 2018, 09:02:37 AM »
Sorry to ask so many questions, but in the BOM it lists 2n7002k Mosfets.  The highest current handling I can find is 380mA.  Shouldn't it be more around 700mA to 1A for a Star LED? 

EDIT:
Would this work?
TSM850N06CX N Channel MOSFET
Package: SOT23
Logic level
ID Current: 3A
RDSon: 100 mOhm
VGS(th): Min 1.2, Max 1.8

Questions are good, without them I may not have noticed this oversight sooner, So Thanks! I originally designed these boards for use with a Cree XM-L which has a lower current draw, these MOSFETs will not work for long with a standard Cree XP star, The TSM850N06CX does look like a good replacement though.

Offline BipeFlyer

  • Padawan Learner
  • **
  • Posts: 52
  • Taking my first steps into a larger world.
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #20 on: June 29, 2018, 04:46:51 PM »
Glad I could help.  I see you're in PEI.  I'm in BC.

The boards shipped from OSH Park today.  I'll order the MOSFETs from digikey.ca and let you know how they work.

Offline Kolgrima

  • Padawan Learner
  • **
  • Posts: 95
  • Never tell me the odds!
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #21 on: June 29, 2018, 05:27:51 PM »
Glad I could help.  I see you're in PEI.  I'm in BC.

The boards shipped from OSH Park today.  I'll order the MOSFETs from digikey.ca and let you know how they work.

From the other coast eh? Nice to meet a fellow Canadian, and yes please let me know how you do with those FETs I'll be looking into some drop-in replacements as well. and updating the BOM soon.

Offline BipeFlyer

  • Padawan Learner
  • **
  • Posts: 52
  • Taking my first steps into a larger world.
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #22 on: July 09, 2018, 10:51:33 PM »
The sweet purple Brewboards arrived today.  I soldered up 1 TSM850N06CX mosfet and wrote a quick sketch to test it with a Luxeon Rebel.  The current draw is 700mA and everything seems fine.  I'll solder up the rest of the board and test it with a tri-Cree when it arrives from TCCS.

Offline BipeFlyer

  • Padawan Learner
  • **
  • Posts: 52
  • Taking my first steps into a larger world.
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #23 on: December 21, 2018, 05:16:16 PM »
Thanks for designing this great little board.  I've installed one in a TCCS MPP hilt and it worked out great. Here are a couple of pics.  I don't want to clutter up your thread, so I'll post a link to more info about it.


Brewboard Diyino Powered TCSS MPP Hilt


I've got a couple more sabers lined up for brewboards. Thanks again!





« Last Edit: December 21, 2018, 05:23:06 PM by BipeFlyer »

Offline Kolgrima

  • Padawan Learner
  • **
  • Posts: 95
  • Never tell me the odds!
Re: Introducing: Brewboard a FX-SaberOS board
« Reply #24 on: December 21, 2018, 10:32:57 PM »
Thanks for designing this great little board.  I've installed one in a TCCS MPP hilt and it worked out great. Here are a couple of pics.  I don't want to clutter up your thread, so I'll post a link to more info about it.

I'm glad you like the Brewboard. Nice to see it getting some use out in the wild. thanks for posting it.