BINCL - binary coded decimal 10mm LED clock

I have some SMD Atmega328s and bought some 10mm LEDs

davedarko

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Description

Inspired by David Watt's binary clock https://www.youtube.com/watch?v=UjB4Tzx5fH8

It's not binary binary, but every decimal digit is. There's something about white diffused 10mm LEDs that I can't look away from :)

Files

bincl.pdf Adobe Portable Document Format - 39.58 kB - 10/25/2020 at 11:43	Preview	Download

bincl.sch EAGLE schematics file sch - 562.55 kB - 05/08/2017 at 19:43		Download
bincl.brd EAGLE board file brd - 125.18 kB - 05/08/2017 at 19:43		Download

Project Logs

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Deeeemooo
davedarko • 06/03/2017 at 14:37 • 4 comments

The blue is still a bit too strong, even with a 1k resistor.. meh. (edit: progger runs on 5v, not the tested 3V3 :D )
Binary sunset
davedarko • 06/03/2017 at 12:24 • 0 comments

checking resistor values. Yellow gets 100 ohms, blue 1k ohms.
considerations for REV2
davedarko • 05/09/2017 at 08:26 • 0 comments
As soon as I've had send the board, I just knew that new ideas would flood in. Here's a list of improvements for the board.
- bad pin planning: could have spared the RX/TX line and add an "FTDI" pinout, this way I need to program via ISP only
- add a transistor to the ground of the LEDs for dimming
- add a photo resistor for checking light of environment
picture added
davedarko • 05/09/2017 at 08:21 • 0 comments

I've added a size mockup with some 10mm LEDs I still have from other projects. The ones I've bought for this project look more like this:

View all 4 project logs

Discussions

danjovic wrote 10/26/2017 at 00:15

Hi Dave!

Just add three more LEDs and do a Binary Coded Decimal 10mm Decimal Time Clock. Or do I get all wrong and the LEDs are indeed two millimetres?, LOL!!!

PS: You get an interesting effect by scrolling up and down the screen while showing the third picture with the top silkscreen mask

Are you sure? yes | no

davedarko wrote 10/26/2017 at 01:09

Hey :) it's tougher to know which side is up with 16 leds though... where do you get the 2mm from? I'm confused :D I'll never need to show stuff like 88:88 with that clock.

Also tried the scrolling on a cell phone, probably not the same effect ;)

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danjovic wrote 10/26/2017 at 09:28

Well, it's a binary clock with 10mm LEDs which in decimal reads 2mm, after all this clock is meant to half of those 10 kind of people who can read binary :)

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Zoon wrote 10/26/2017 at 19:50

But what if it's 88:88 o'clock?

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davedarko wrote 10/26/2017 at 09:45

Wow, didn't see that :D

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Alex wrote 05/08/2017 at 21:13

I hope the PCBs will arrive fast enough

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davedarko wrote 05/09/2017 at 06:10

Is this a general comment regarding delivery time of dirtypcbs.com or do you mean fast enough so the boards will be ready for makerFaire? MakerFaire would be cool, since it's huge and blinking ;)

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Alex wrote 05/09/2017 at 21:31

2nd

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Clara Hobbs wrote 05/08/2017 at 19:38

I believe the term you're looking for is BCD (binary coded decimal).

Are you sure? yes | no

davedarko wrote 05/08/2017 at 19:39

not bad :) makes sense!

Are you sure? yes | no

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BINCL - binary coded decimal 10mm LED clock

Description

Files

bincl.pdf

bincl.sch

bincl.brd

Project Logs

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Deeeemooo

Binary sunset

considerations for REV2

picture added

Discussions

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BINCL - binary coded decimal 10mm LED clock

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