Electronics > Beginners

Recreating mod chip designed for the Playstation 1.

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Katcher:

--- Quote from: Mr.B on November 06, 2018, 02:57:13 am ---
--- Quote ---You mind if I use this mockup you made for the 5 boards that would be double sided?

--- End quote ---

I simply posted a PNG into the public domain - feel free to use the idea.


--- Quote ---Is there away to import Mr.B's design into EasyEDA or am I just gonna have to eyeball it and recreate that one too?

--- End quote ---

You will have to eyeball it.
I mocked that up in 30 seconds in Eagle and didn't bother to save it. (Would not import into EasyEDA anyway I don't think.)

--- End quote ---

EasyEDA can import Eagle fyi. But no worries I'll eyeball it. What's the outline measurements so I can start from there? mm preferably.

Mr.B:

--- Quote from: Katcher on November 06, 2018, 03:04:57 am ---... What's the outline measurements so I can start from there? mm preferably.

--- End quote ---

Slightly bigger than the PIC...   >:D
(Sorry, had to use that.)

If you are happy with your original board outline size...
1. just take your original design, rip up all the tracks to wireframe/ratsnest.
2. flip the components on to the bottom layer.
3. re-rout the tracks, using vias, to look something close to my example.

One other side issue to be aware of...
Most cheap PCB manufacturers have a minimum board size.
The company I use has a 20mm by 20mm minimum.
Your board is going to be a lot smaller than 20mm.
You may need to lay up multiples and either have the PCB fab 'V cut' your board or cut them up yourself with a scroll saw.

Katcher:
I'm using JLCPCB for my PCB's. Uploaded the Gerber files last night before bed and just waiting for approval before I pay. But I think I'll stick with my 11x11mm board initially then maybe tighten things up from there. Now with that out of the way leaves the elepehant in the room...how do I actually program the fucking PIC12F508? And because screw doing it the easy way and buying a programmer, imma fucking build one because it's a learning experience and it sounds fun.

I am a great bloody idiot. During the design of my PCB I had "Chungus Inc." on the bottom silkscreen layer as a joke and forgot I made it invisible to help with laying shit out. I've already submitted the gerber files to JLCPCB and now my printed boards will have "Chungus Inc." slapped on the back.

amyk:
If you really want to... http://ww1.microchip.com/downloads/en/DeviceDoc/41227E.pdf

Sudo_apt-get_install_yum:

--- Quote from: Katcher on November 06, 2018, 10:54:12 am ---Now with that out of the way leaves the elepehant in the room...how do I actually program the fucking PIC12F508? And because screw doing it the easy way and buying a programmer, imma fucking build one because it's a learning experience and it sounds fun.

--- End quote ---

I’ve read through this thread and seen the versions of the PIC12 break out your making, for a first board it alright!
Since you don’t know much about the embedded world ill help you out, DONT MAKE YOUR OWN PROGRAMMER!!!!

Its so much work to do this and its way to complicated for a beginner like you. I dont think you knwo how much work it is to design a programmer. making a break out board is one thing. Designing the board for the programmer, writing the code is a lot of work.

If your experienced with PIC's it wouldn’t take more than a few days but if your inexperienced with electronics design and embedded programming then it would be suicide, it would take so much time and you wouldn’t learn much since the difficulty level is much too high for a beginner.
It better to slowly build your knowledge than immediately jump on the hard stuff not understanding the basics.

Programmer like this is cheap and readily available so it’s just a time waste.

I’m no pro but I have done a fair bit of PCB design and µC work.
Take what I say with a grain of salt :)

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