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Micro Controllers Discuss all aspects of micro controllers - building them, coding them, etc. All controllers are welcome - PIC, BASIC, Z8 Encore!, etc.

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Old 30th May 2009, 07:22 PM   #61
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Nice!

I know about those spacing but im talking more about the outer plastic. Like the whole connector. I need exact sizes to create a prototype connector. Because if its off by a little whether its too large or too little its a huge problem.
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Old 12th June 2009, 05:58 PM   #62
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Hi Jason,

I've just been proving the little Nokia lcd with your C .hex code that a friend complied as I'm only on Assembler.

What I did notice was that you seem to be using the SPI ports, but the SDI is not connected.
On my projects with SPI unless the SDI receives data from the device or is fed by a loopback resistor from the SDO line then it will not work.

So was wondering if your C code was actually using the SPI module or are you bit banging instead ? - or have I got SPI all wrong ?

thanks

Richard
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Old 12th June 2009, 07:53 PM   #63
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Looking at the code, and I'm not a PIC person, he's clocking each bit out manually.

I received my own displays, but have not had the time to work on them. I was thinking of making a screen buffer library, since I have lots of RAM on the ARM7 controller. Then I can do circles and lines and things.
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Old 12th June 2009, 10:52 PM   #64
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The thing is i am using the SPI pins but im BitBanging...since if you use a Micro without SPI or dont want to have multiple on 1 line you can use what ever pins you want. what pic are you using..

Last edited by AtomSoft; 12th June 2009 at 10:52 PM.
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Old 12th June 2009, 10:55 PM   #65
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Mark i want so bad to play with ARM7 ... Im stuck on PICs and like it ... tried AVR its about the same.. But a ARM7 seems like it will be able to hand alot like TFT LCDs and such.

I want this so bad:
http://www.sparkfun.com/commerce/pro...oducts_id=8280

Last edited by AtomSoft; 12th June 2009 at 10:57 PM.
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Old 12th June 2009, 11:16 PM   #66
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Thanks for that - just wasn't sure - no good with C and with seeing your other current post on slave bit banging, did make me wonder.

That Olimex board looks nice - almost like a laptop motherboard - you could always Ebay some of you Pic stuff - you must have a mountain by now
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Old 13th June 2009, 01:15 AM   #67
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heh Nice IDEA! You are correct! i have a ton of Maxim-IC Chips and PIC tripples and SD Card connectors and stuff like that...

Ill try to create a new Ebay Account under my name since my wife has one but i dont want to use hers

Got a few RFID readers (SERIAL) parallex and a PING (distance) detector and PIR (motion) sensor.

Last edited by AtomSoft; 13th June 2009 at 01:17 AM.
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Old 13th June 2009, 01:54 AM   #68
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Dude i realized i own about 10 MAX6953 ICs
MAXIM INTEGRATED PRODUCTS|MAX6953EAX+|2-Wire-Interfaced, 2.7V to 5.5V | Newark.com

How much is a good selling price? $10?
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Old 13th June 2009, 02:05 AM   #69
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Selling unwanted chips is a great idea providing none of them are samples.
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Old 13th June 2009, 02:07 AM   #70
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out of 10 about 2-3 may be samples.(i think 2 where samples) i ordered them for a project someone wanted me to do and then poof the guy disapeared.. Thanks goodness he paid
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Old 13th June 2009, 02:08 AM   #71
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i know samples are like untested or something but is there a way to tell them apart?
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Old 13th June 2009, 05:54 AM   #72
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I think you are thinking of engineering samples, which are more like beta software, but on the hardware side. Standard samples that Maxim and such ship are production pieces, no different than retail.

ARM7 is nice, but there's just so few projects that you really need the power of an ARM7 for. It's fun doing the ethernet controller/server and stuff, but it's too much for most things and the cost of the chips, difficulty routing a board, and power requirements (they aren't that bad power wise, but they're no MSP430), make it limited in the projects it's really useful for.
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Old 13th June 2009, 07:31 AM   #73
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I got mine yesterday! Hurrah. I wonder about the response times ... I would like to make a cheapo video wall with 2 - 4 lcds. Although I would rather have colour LCDs. I would really like to have a funky display with a home made car mp3 player. The VS10xx series chips are a touch expensive though.

The nokia 6100 lcd is up from $8 but is a bit tiny on its own. Anyway the pricing on these obsolete lcds beats that of the HD47780 based alphanumeric displays. And I am pleased with the size. Just need figures on power consumption though.
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Old 13th June 2009, 12:03 PM   #74
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Nice to know Mark. I want to have the option to have alot of power. When i get this ARM7 i will use it for all just because its huge. I can make the small stuff with it and detail what i need when done like how much space it takes up and what speed i need and buy a smaller micro and use it.

Kinda like having a huge cup and filling it up until i want then if that all i need get a cup that size. just because you rather have more than you need then less


VISN thats cool. I would love to see some pics and schematic of what your doing
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Old 13th June 2009, 12:07 PM   #75
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Part i own:
2 Parallax RFID
1 Parallax PIR
1 Parallax PING
1 Parallax 2 AXiS Accelerometer

4 Molex SD - 0676008001
3 Molex SD - 0547680977

8 MAX6953 (2 are samples)

and about 4-8 of each of these: (1 of each from below are samples tho)
MAX7221
MAX7219
MAX6952
MAX3131
MAX1112

This should be enough to buy me that Development Platform for LPC2378

Last edited by AtomSoft; 13th June 2009 at 12:07 PM.
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