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ET-3400 · Heathkit ET-3400 Resources

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Messages 628 - 659 of 775   Newest  |  < Newer  |  Older >  |  Oldest
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659 Jim
ve7uv Send Email
Mar 31, 2012
2:16 am
Thanks for the very helpful info. I received my new ET-3400A in the mail today all busted up thanks to US Postal "Service", and need to see if anyone on the...
658 whipaway Send Email Mar 25, 2012
1:02 pm
The modification is basically to add and connect the D0-D7 data lines, RE", and 0'2 lines to the 40 pin connector from the internals of the ET-3400(A). I have...
657 Jim
ve7uv Send Email
Mar 25, 2012
5:20 am
Hi all, I downloaded the "Modification Kit" manual from the files section that has the instructions to interface the ET-3400 and ET-3400A to the ETA-3400 and...
656 rarecoinbuyer Send Email Mar 15, 2012
8:58 am
... If you have ever used single boards before you should find it fairly straight forward. To keep your initial frustration levels low I would recommend that...
655 iinventedtabla Send Email Mar 15, 2012
7:04 am
I got it at a place called restore for 10 dollars. So, how do you enter a line number? and is there a way to make stuff blink on an off using the program?...
654 Rob
rwagg... Send Email
Mar 14, 2012
11:07 pm
You just found it? Where did you find it, is it complete and working? Good job on finding it, I've enjoyed playing with mine. thanks!...
652 whipaway Send Email Mar 12, 2012
8:56 pm
Manuals are in the 'files&#39; section of the group. ... From: iinventedtabla <rdghayden@...> Subject: [ET-3400] Whoo Hoo! To: ET-3400@yahoogroups.com Date:...
651 iinventedtabla Send Email Mar 12, 2012
8:30 pm
I just found a HEATHKIT ETA-3400 now I am looking for a pdf of the manual. Anyone have a link??? THanks....
649 Rob
rwagg... Send Email
Feb 24, 2012
3:17 am
I built a board to replace the EWA-3400 component and it also integrated the (Timothy Weber's) EEPROM capability into the design. All of the information on...
648 rarecoinbuyer Send Email Feb 21, 2012
11:03 pm
... I was unable to find it in the files but I did find the link. Very clever solution. Transparently mapping the EEPROM right into the 6808 memory space. ...
647 whipaway Send Email Feb 20, 2012
10:08 pm
There is a schematic in the files section, and also a link in the links section, on how to build non-volatile memory for the ST-3400 using an EEPROM. ... From:...
646 Peter B. Nelson
peterbnelson Send Email
Feb 20, 2012
3:26 pm
The LCD is like a printer in that it displays whatever is "sent" to it. In the picture the LCD is showing the output of a small program that send incrementing...
645 rarecoinbuyer Send Email Feb 20, 2012
6:58 am
http://groups.yahoo.com/group/ET-3400/photos/album/968664986/pic/750972750/view?picmode=large&mode=tn&order=ordinal&start=1&dir=asc Wow! That is a really neat...
644 don.ogren Send Email Feb 11, 2012
5:19 pm
I missed that also! Thanks...
643 Rick Nungester
wa6ndr Send Email
Feb 11, 2012
5:16 pm
... http://groups.yahoo.com/group/ET-3400/attachments/folder/0/list is the correct link. The Yahoo Groups editor included the period as part of the link....
642 rarecoinbuyer Send Email Feb 11, 2012
5:15 pm
Thanks for the helpful tip. I did not know those files existed. ... http://groups.yahoo.com/group/ET-3400/attachments/folder/0/list...
641 Rick Nungester
wa6ndr Send Email
Feb 11, 2012
5:11 pm
... Be sure to also see the "Attachments&quot; area at http://groups.yahoo.com/group/ET-3400/attachments/folder/0/list. It is 100 GB and where more recent large...
640 Rick Nungester
wa6ndr Send Email
Feb 11, 2012
5:04 pm
... At http://tech.groups.yahoo.com/group/ET-3400/messages search on "TASM" to see past discussions about TASM and other development tools. I see 16 hits...
639 whipaway Send Email Feb 10, 2012
10:14 pm
Hi, Welcome to the group. I'm glad that you find our files and other resources here valuable to you. Feel free to look around, ask questions, and enjoy! ... ...
638 don.ogren Send Email Feb 10, 2012
3:09 pm
Hello Everyone: I have been looking thru the file section for the listing of the Monitor and TinyBasic. (I agree that $400+ to pay for an ETA off eBay is...
637 don.ogren Send Email Feb 10, 2012
3:03 pm
Hello Everyone: I'm new to the group. I've been reading all the posts for the last couple of weeks to get back up to speed on the ET-3400. Let me bore you with...
636 kevin asato
kc6pob Send Email
Jan 14, 2012
5:39 pm
Sounds like one should just go and replace the power supply cap anyways. They eventually dry out and can short. 73, kevin kc6pob ...
635 rarecoinbuyer Send Email Jan 14, 2012
5:15 pm
Amazing. That would be a very handy project....
634 rmrichesjr Send Email Jan 14, 2012
2:07 am
My ET-3400 had a similar but somewhat different reset problem. The first solution was to install power supply decoupling capacitors where they had broken off...
633 Wings
wingon695 Send Email
Jan 13, 2012
6:24 pm
I need advise to fix my ET-3400A.  Power LED is on at Standby.  When switch to On position, 888888 lights up.  When push the Reset button, all the 888888 go...
632 Rob
rwagg... Send Email
Jan 11, 2012
4:32 pm
I'm the one that built the ETA-3400 replacement unit, it was fun working on it and I've still got it breadboarded and wire wrapped. I had hoped I could have a...
631 John
n0hj Send Email
Jan 11, 2012
2:57 am
What would it run approximately to build our own expansion board for the 3400/A ? I see one gentleman has already done this with info in the group's photo...
630 whipaway Send Email Jan 9, 2012
9:55 pm
You are correct, message deleted. ... From: rarecoinbuyer <rarecoinbuyer@...> Subject: [ET-3400] Seriously Off Topic To: ET-3400@yahoogroups.com Date:...
629 Rob
rwagg... Send Email
Jan 9, 2012
5:43 pm
You're right, it does look interesting. It's an original ET-3400 (not 3400A), but the the switch and socket on the front of the EWA-3400 is what gets my...
628 rarecoinbuyer Send Email Jan 9, 2012
1:38 pm
I would love to buy this but it's too close to Christmas. Out of money. Maybe someone else in the group can use this item? I am not affiliated with the vendor,...
Messages 628 - 659 of 775   Newest  |  < Newer  |  Older >  |  Oldest
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