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-   -   Someone with experience with TTPSU (http://www.diyaudio.com/forums/analogue-source/178760-someone-experience-ttpsu.html)

Thesoundmen 8th December 2010 04:45 PM

Someone with experience with TTPSU
 
Hi guys ,

is there someone who has build this one before ?

http://www.norre.dk/TTPSU/TTPSU.html#Input%20transformer/Power%20supply|outline

greetings Matthias

Thesoundmen 10th December 2010 11:57 AM

Nobody build this before ?

cygnus x1 13th December 2010 01:12 PM

I was concidering build this too. I can find the micro, but not the display. I also have no way to program the micro. I wonder if there have been any updates? We may just have to email Mr. Norre to ask?

Thesoundmen 15th December 2010 07:10 PM

Quote:

Originally Posted by cygnus x1 (Post 2396842)
I was concidering build this too. I can find the micro, but not the display. I also have no way to program the micro. I wonder if there have been any updates? We may just have to email Mr. Norre to ask?

Hi cygnus x1, I will send him an email, will post something when I now more .

Thesoundmen 16th December 2010 01:52 PM

This is what I got from Johnny Norre about the LCD :

"
The display code is rather "relaxed", so it should work with any KS0066U ot HD44780 based display, this covers almost all character/non-graphic 16x1 displays on the marked. A 20x1 display can also be used, but the last 4 characters will of cause not be used by the code. "

and about the IC :


iCA01 USB Microchip PIC Programmer Set (ICSP & Adapter) on eBay (end time 21-Dec-10 09:34:58 GMT)


this is the best way to program one.


The updates are all on the website :http://www.norre.dk/TTPSU/TTPSU.html


The only thing is the fact that the circuit could have some problems with AC Noise






cygnus x1 17th December 2010 06:10 PM

Thanks for the update. It looks like the mpu and display are available from Digikey. The data sheet shows how to program with two lines from a pc parallel port and a 5/12 Vdc ps. I also found a nice little board design from David Tate and Chuck Hellebuyck's Electronic Products. I think I will give that a try. I may ask circuitscc to build me a board.


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