firefly counter

[genzaichi]

Hi,

I'm thinking of making a jar of fireflies (hopefully over the weekend)
as a birthday present and quite liked the look of this instructable:
http://www.instructables.com/id/Fireflies---Analog-version.../

I'm struggling a bit to find a component to use as the "cd4026b
combined counter and display driver IC" (at http://uk.rs-online.com
'cos there's a shop near me and I can just go and pick up the bits).

Can anyone help me find an equivalent counter please? I've found this,
http://uk.rs-online.com/web/search/searchBrowseAction.html?method=searchProducts&searchTerm=*4026*+counter&x=10&y=14
but it's out of stock. What terms should I be searching for?

Thanks,
nikki

[Noel Welsh]

"display counter" works for me:

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=6807169
LED Display Driver, 8 Ch Serial TSSOP24
The datasheet link doesn't work but it sounds like the right thing.

HTH,
N.

[Andrew Thomas]

Hi,

Farnell seem to have them in stock and do next day delivery if you can wait that long. Only problem is they always want min £20 orders for card payment.

http://uk.farnell.com/texas-instruments/cd4026be/buffer-driver-receiver/dp/1703295

I realise you wanted something from rs, but thought I'd mention it as a last resort :)

Best wishes,

Andrew.

-----Original Message-----
From: Noel Welsh <noel...@gmail.com>
Sent: 30 July 2010 10:48
To: birmingham...@googlegroups.com
Subject: Re: [birmingham-hack-space] firefly counter

"display counter" works for me:

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=6807169
LED Display Driver, 8 Ch Serial TSSOP24
The datasheet link doesn't work but it sounds like the right thing.

HTH,
N.

On Fri, Jul 30, 2010 at 10:24 AM, genzaichi <genz...@gmail.com> wrote:
> Hi,
>

[The entire original message is not included]

[genzaichi]

Hi Noel, thanks for the suggestion.

Surface mount is too small for what I want to do, and I'm not sure if
that chip outputs the a, b, c, d, e, f, g for the 7 segment display?
Will keep trying...


Andrew,
Thanks anyway - useful to look at the datasheet and try and pick up
some of the lingo. Minimum orders always a problem! :)

nikki

[Martin Meredith]

Hey Nikki,

I'm at work at the moment, but if I remember later, I'll tweet you the
equivalent from RS (who are just over the road from me)

[Martin Meredith]

http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=6629590

CD4026B chip ;)

[Martin Meredith]

Ah, wait, out of stock....  You can get them from Maplin....

[Martin Meredith]

On 30/07/10 16:27, Martin Meredith wrote:

You could try a 4033, though, whether that'll work I don't know - should be fine, as it's only for the human eye.


http://uk.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=6629604

[Martin Meredith]

On 30/07/10 10:24, genzaichi wrote:

Hi,

I'm thinking of making a jar of fireflies (hopefully over the weekend)
as a birthday present and quite liked the look of this instructable:
http://www.instructables.com/id/Fireflies---Analog-version.../
  

That circuit diagram looks familiar...

http://www.kpsec.freeuk.com/projects/random.htm

[genzaichi]

Yeah, think it was the 4033 I went for in the end. Thanks.
Not getting the parts 'til Monday though

*chomps at bit*