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Stargate LED Clock

An LED clock using the adafruit 1/4 sections to make a 60 LED ring. Although not a new concept, it should be expandable to other variations.

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CORE FEATURES:
60 RGB LED clock
RTC to keep time
all settings adjustable from serial interface
simple buttons to control time
auto-dim with LDR
smooth fading between LEDs
hourly 'chime' (led effects)

POSSIBLE FUTURE FEATURES:
more settings from buttons
IR remote to set time/alarm?
GPS/WiFi/RF to auto set time?
alarm feature (flash clockface)

Demo Vid Here:


Build logs show development process

Hackaday article link:

http://hackaday.com/2014/10/26/star-gate-led-clock-has-plenty-of-pizazz/

  • 1 × RTC from ebay
  • 4 × adafruit neopixel segments from cool components
  • 1 × arduino nano
  • 1 × wall power adapter
  • 1 × LDR from parts drawer

  • Finally Complete​

    David Hopkins10/26/2014 at 11:32 0 comments

    All parts assembled, photos and video taken, packaged up, and gifted. Went down very well I must say.

    Video can be found here:


    Code Here:

    https://github.com/hopo28/LED_CLOCK

    Build pics can be found in the project logs.

  • Dock design and build

    David Hopkins10/06/2014 at 15:36 0 comments

    after thinking through a few options i came up with a simple dock that would hold the gate in place at an angle and not protrude too far from the top of the base... this is needed so that it can be boxed up and not be too flimsy.

    Design turned out thus:

    the base was also modified to accommodate this, the socket for the gate put in place and the light sensor (which i had previously forgotten) put in as well:

    and now the dock in place to show mechanical fit:

    next stages:

    - finish spraying grey (already started, but rain is reducing opportunity to do so)

    - spray with varnish

    - mount dock

    - wire up electronics

    - try to fix the 'tripping' seconds issue (possibly due to RTC updates during fade effect)

  • Finishing the base

    David Hopkins10/06/2014 at 15:27 0 comments

    Have changed the button colours to be more subtle and added annotations (courtesy of a borrowed dymo label printer):

    added magnets to the base board:

    and decided that i need a dock for the gate....

    ive not managed to think of a stable way to permanently fix the gate onto the base, so ill make a slot that it will fit in, to this end ive added a plug to the gate and wired it up, thus finishing that part of the build:

  • Varnish Failure

    David Hopkins09/30/2014 at 14:12 0 comments

    Didn't take a pic of it unfortunately, but... when spraying paper based things with polyurethane varnish, many thin coats are better than one heavy smooth one.... the varnish soaked into the gate sticker, compromising the adhesive and causing the paper to expand, and creating wrinkles, these subsided slightly as it dried and i was able to press the paper back down to get rid of most of the wrinkles.

    However, in the process it smudged the laser-printed design (possibly the solvent in the varnish interfered with the bonding of the ink).

    So i peeled it off and scrapped it.

    This lesson being learned, i went much more gently on the base and it turned out fine (if slightly greener than expected).

    I will try to apply a new sticker to the gate tonight.

  • Pretty-fying the base/stand

    David Hopkins09/26/2014 at 07:39 0 comments

    After hunting around for stone textures on the net i finally found a few, and with a bit of help settled on one of them, printed A3 size, and stuck it on. Hmmm, sounds simple, but there was a lot of carefull work with a scalpel and marker pens to tidy up the white edges of the paper.

    efore colouring in:

     and after:

    next stages:

    -decide on how to mount the gate (currently pondering a 'dock' style design)

    -lacquer the gate (sans LEDs) and the base as it is

    -add a mounting hole on the front of the base for an LDR (forgot last night)

  • Making the base and painting the gate

    David Hopkins09/25/2014 at 13:00 0 comments

    Looking at some of the SG models around the net, most have ramps or the bottom of the gate is obscured so people can walk in/out of them. all makes sense but not suitable for my version... so what im creating could be called a 'themed stand'.

    it will have a power socket and 3 buttons; the base will be removable in-case any adjustments need to be made. this will probably be held on with neodymium magnets, but we shall see.

    Picture time!

    close up of the button board:

    inside of the base/stand:

    base and sprayed gate (the back and sides of the gate will be generic grey)

    stand & gate, now with SG printout stuck on, trimmed and touched up where needed, also the led ring is sitting in its slot, but no wiring as yet:

    the base will have stone effect stuck on and, like the ring, all be sprayed with polyurethane varnish to protect it.

    just need to find some stone textures now.....

  • BUTTONS!

    David Hopkins09/19/2014 at 13:30 0 comments

    it has buttons now, 

    just 3; advance minute, advance hour and change colourSet.

    the SG1 version of the code is a right mess now, contains a lot of stuff thats not needed for that version but hey ho, its only planned to be a one-off, kinda a spur from the main objective, code uploaded for current version.

    now to wait for the spray paint and design the base for this thing to stand on.

  • More 'Chime' Effects

    David Hopkins09/11/2014 at 10:48 0 comments

    I have decided to do effect sequences for the chimes, the sequences are :

    case 1: dial(); dialFailSparks(); break;

    case 2: dial(); kawoosh(); wormhole(); wormholeEnd(); break;

    case 3: dial(); kawoosh(); wormhole(); wormholeUnstable(); break;

    case 4: dialIn(); kawoosh(); wormhole(); wormholeEnd(); break;

    case 5: dialIn(); kawoosh(); wormhole(); wormholeUnstable(); break;

    default: dial(); dialFail(); break;

    these will be selected randomly every hour, since the video of the dial sequence was made, it now dials twice as fast and 'rotates' both ways (randomly)

    the kawoosh and dialFailSparks are somewhat tricky, so havent been made yet, and the wormoleUnstable takes far too long at present, but that will be fixed shortly

    also, white position markers have been added so that its easier to tell the time... as there are 9 chevrons, it makes it tricky to imagine 12 points to estimate the time, so the markers were nessisary:

    seem to have an issue where it occasionally jumps time (backwards) when it resyncs with the RTC, this is odd that the micro can get so far out.

  • Stargate Dial 'chime'

    David Hopkins09/09/2014 at 22:11 0 comments

    first custom effect for the stargate clock, a dial sequence, which will run every hour on the hour.

    takes roughly 45 seconds to complete, but that varies as it 'dials' a different address every time.

    it dials all 9 chevrons... this doesnt happen in SG1 but the talk about it, and it is done in SGU, between destiny and earth.

    had a quandary between keeping it SG1 authentic and satisfying the OCD, but seeing as the whole gate (the leds at least) will need to be visible, i thought it best to do the lot.

    the leds are a bit bright for the camera but you can see what its doing :-)

  • LED Clock: SG-1 Edition :-)

    David Hopkins09/09/2014 at 08:48 0 comments

    I have decided to do a simplified version for a present, set inside a Stargate, many of the features previously mentioned will be disabled for simplicity.... feature list will be: 

     - time display

     - switchable colour modes

     - variable brightness

     - simple 3 button configuration (colour cycle, hour increment and minute increment)

     - variable brightness will be via LDR, with a switch to change to a pot for manual setting

     - 'dialing' effect for the hour and min light blocks every hour (or maybe a generic dialing effect)

    preliminary pics:

     ^ the cut parts with preliminary graphics ^ loosely assembled

     ^ LED ring and final graphics

    the ring assembly will be sprayed mat grey, printed graphics applied, touched up where needed and varnished (polypropylene spray probably), this will then have the LED ring set into it and wired up, then I will work out how to make a (hollow) base/ramp to house the control gear.

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Discussions

Slonb wrote 02/29/2016 at 23:24 point

Did you ever decide to sell them?  If so, I know about 2-3 dozen people who would snap them up.   If not, do you have instructions you'd be willing to post

  Are you sure? yes | no

ipaq3115 wrote 10/27/2014 at 20:34 point
The shimmering blue at the end of the dial sequence was amazingly realistic feeling. Next up, fill the center with LEDs and emulate the woosh. That'd be awesome!

  Are you sure? yes | no

insnprsn wrote 10/27/2014 at 04:19 point
This is indeed cool, and I would be an interested buyer for sure, should you decide to sell them.

  Are you sure? yes | no

RoboMonkey wrote 10/10/2014 at 14:30 point
You beat me to it. This (a variant of this anyway) was on my list of things to do when I had time. Nice Job!

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davedarko wrote 09/19/2014 at 13:50 point
wuah, I see a stargate and I love it!

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prayoots wrote 08/07/2014 at 10:04 point
very Cool Project.
Are you have planning to sale this product yet?

when done complete let me know please
prayoots@yahoo.com

  Are you sure? yes | no

David Hopkins wrote 09/09/2014 at 08:50 point
I was not intending to sell it originally, but its and interesting idea, development has been sporadic as other commitments need dealing with, and I'm learning a lot through doing this too. But I will be in touch when it is a bit more polished.

  Are you sure? yes | no

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