Swordfish board for Arduino - work in progress

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Re: Swordfish board for Arduino - work in progress

Post by bitfogav » Wed Jun 04, 2014 12:39 am

brad wrote:74595's are a great chip, I used them on my DigiPixel board and I am in the process of designing a board for work with a bunch of LED's on it.
Yes indeed, the 74595 is a very handy chip if you want more outputs. I used them in one of my last projects also to drive led's :)
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Re: Swordfish board for Arduino - work in progress

Post by Garth » Wed Jun 04, 2014 5:18 am

brad wrote:
Use 'em for even hundreds of output bits:
http://wilsonminesco.com/6502primer/pot ... #22_SR_OUT
Wow, you have loads of great tips on that page!
Thanks. I have quite a bit more to add when time allows.
http://WilsonMinesCo.com/ lots of 6502 resources

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Re: Swordfish board for Arduino - work in progress

Post by bitfogav » Thu Jun 12, 2014 12:41 am

I have already designed another version of the board, this time it supports 3.3v and 5v microchips (18F4550.18F4553,18F46J50,18F47J50) :)

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Re: Swordfish board for Arduino - work in progress

Post by brad » Sat Jun 14, 2014 10:34 pm

Well done bitfogav :)

Is there some sort of jumper that you use to select between 3.3v and 5v?

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Re: Swordfish board for Arduino - work in progress

Post by bitfogav » Sat Jun 14, 2014 11:02 pm

brad wrote:Well done bitfogav :)

Is there some sort of jumper that you use to select between 3.3v and 5v?
Yes indeed, it's pretty much a cheap way by using some solder surface pads :) this only changes the power supply to the main chip, you still have 5v and 3.3v on the headers.

Made my own solder pads in Diptrace:
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Re: Swordfish board for Arduino - work in progress

Post by brad » Tue Jun 17, 2014 6:33 am

That reminds me of the Amiga 500 motherboards. They had similar solder pads that you would short together depending on (I think) what specific chips you had installed.

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Re: Swordfish board for Arduino - work in progress

Post by bitfogav » Sun Jul 06, 2014 5:49 pm

After a few versions of the board I think the board is almost finished (depending on testing).. Over the weekend I have built up the 4 versions of the board (18F4550.18F4553,18F46J50,18F47J50) Here is a sneak look at the boards :)
ReflowSFBoard1.jpg
The boards just going into the reflow oven
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CompleteSFBoard1.jpg
All boards complete
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Re: Swordfish board for Arduino - work in progress

Post by brad » Tue Jul 08, 2014 11:28 am

The red boards are definitely my favourite. Nice choice - they have come up just perfectly bitfogav.

Now it looks as though you've got yourself a home made reflow oven, how is that controlled? is there any problem with the sensing element coming desoldered in there?

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Re: Swordfish board for Arduino - work in progress

Post by bitfogav » Wed Jul 09, 2014 3:19 am

brad wrote:The red boards are definitely my favourite. Nice choice - they have come up just perfectly bitfogav.

Now it looks as though you've got yourself a home made reflow oven, how is that controlled? is there any problem with the sensing element coming desoldered in there?
The red boards do look great :) I do have a reflow oven at home, I brought it nearly 2 years ago and it's been well worth it!.. I enjoy watching the solder paste reflow and all the components self a line.. No problems with the sensing element because it's just a Thermocouple type temperature sensor which I just attach to a piece of pcb board..

The reflow oven was one of the cheapest I could find and the controller is one that you can interface with using a PC (RS232), it's really great for adjusting the correct oven temperatures, to get the correct reflow.. If you want to check out the reflow oven and controller then the links are below.

Beta-Layout Reflow oven
Beta-Layout Reflow oven controller

Also I did find out that David also uses the same reflow controller as myself (for the Firewing boards), and he has put together a fantastic graphical user interface (GUI). check it out here.
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Re: Swordfish board for Arduino - work in progress

Post by brad » Thu Jul 10, 2014 1:33 pm

I love it that RS232 is still in use today, it's certainly easier (in my opinion) to interface to microcontroller devices compared to USB.


I bought one a few years ago swell although the glass panel is so small that you can't really see anything - I wanted to see the solder flowing and aligning all the components!

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Re: Swordfish board for Arduino - work in progress

Post by bitfogav » Tue Oct 14, 2014 3:51 am

I just saw it was 3 months since I posted on this topic last, well time flies!!. I have been on and off this project and others since and I have just received some really nice black boards :)
sfboardblack.jpg
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Re: Swordfish board for Arduino - work in progress

Post by brad » Tue Oct 14, 2014 6:23 am

Looking very sharp there bitfogav!

Speaking of black boards, here's an older style that I remember from school :wink:

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