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Author Topic: Digital IC Tester Project  (Read 1773 times)
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Tien Nguyen
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« on: November 04, 2017, 09:32:34 09:32 »

Hi everyone,

I completed Digital IC Tester project so I would like to share to you. See code and schematic as attached file.  Grin
If you have any question for this project, you can send email to me.
Email: nguyenhuutien.dap@gmail.com
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piccolo
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« Reply #1 on: November 04, 2017, 02:42:40 14:42 »

Hi,
Can you provide more information?
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metal
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« Reply #2 on: November 05, 2017, 01:56:25 01:56 »

the comments in the code are n Vietnamese.
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Tien Nguyen
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« Reply #3 on: November 05, 2017, 10:01:27 10:01 »

Hi piccolo

What information do you need?


Posted on: November 05, 2017, 04:58:00 16:58 - Automerged

Hi metal,

Yes. If you like this project, I will translate to English for you.
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piccolo
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« Reply #4 on: November 05, 2017, 02:38:09 14:38 »

Hi Tien Nguyen,
Kindly, a brief description of the circuit, what is it useful and, if possible, have the translation of the comments in the code, to English.
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M@X77
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« Reply #5 on: November 10, 2017, 04:17:49 16:17 »

Hi Tien, is interesting, do you used two mcu because not have a lot of pins?
Did you think to use port A and E to drive LCD or to use a pcf8574p to drive LCD serially with i2c?
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fpgaguy
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« Reply #6 on: November 10, 2017, 05:01:45 17:01 »

I'm pretty sure the second micro is to control the display only - although it's meant to check only certain chips (your typical TTL 74xxx) - IE check the code out a bit
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sadman
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« Reply #7 on: November 11, 2017, 02:29:17 02:29 »

a tester for digital I.C for complete range is publish early 90's in elektor based on 8051 series of processor i will search it in my backup and share it here
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sadman
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« Reply #8 on: November 12, 2017, 06:56:15 06:56 »

so finally found it
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Tien Nguyen
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« Reply #9 on: March 03, 2018, 04:04:43 04:04 »

Hi all,
 
If I have enough time, I will translate the comments in my project to upload for you.
Hope someone develops it.
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solutions
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« Reply #10 on: March 03, 2018, 05:08:44 05:08 »

Without an A/D and D/A on each pin, this is pretty useless for anything but a cursory screen for DOA parts.

You could have gotten half of that test functionality by remapping the pins to the analog pin ports...
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