Search found 21 matches
- Wed Jan 22, 2020 9:36 pm
- Forum: Dragon General
- Topic: A 6809 Single Board Computer
- Replies: 22
- Views: 20229
Re: A 6809 Single Board Computer
I'm the person in the comments that says "I made one!" :D It's based on a Grant Searle design: http://www.searle.wales/ I've tried many times to make this on a breadboard and failed. Here's mine (with a homemade resistor array): https://c0dedbad.co.uk/6809.jpg It worked first time. I would have mad...
- Wed Jan 22, 2020 6:19 pm
- Forum: Dragon General
- Topic: A 6809 Single Board Computer
- Replies: 22
- Views: 20229
Re: A 6809 Single Board Computer
Here is the list of IC Chips
68B09
68B50
62256
74LS00
27C128
68B09
68B50
62256
74LS00
27C128
- Wed Jan 22, 2020 2:27 pm
- Forum: Dragon General
- Topic: A 6809 Single Board Computer
- Replies: 22
- Views: 20229
Re: A 6809 Single Board Computer
If I leave it at the 68B09 @ 2MHz would there still be a problem?
- Mon Jan 20, 2020 8:27 am
- Forum: Dragon General
- Topic: A 6809 Single Board Computer
- Replies: 22
- Views: 20229
A 6809 Single Board Computer
I'm going to build A 6809 Single Board Computer here is the link. https://jefftranter.blogspot.com/2019/01/a-6809-single-board-computer.html If it works then I want to change the 68B09 to a 63C09 but I need to change the XTAL 7.3728 MHz to the one that will work with 63C09 so the CPU will run a 3 MH...
- Sat Jan 04, 2020 2:39 pm
- Forum: Dragon General
- Topic: Winbond W27C512 EEProm
- Replies: 2
- Views: 3872
Re: Winbond W27C512 EEProm
You should be able to get the devices for less than $5 each. Maybe 10pcs for $5 if you're lucky. The rest depends on what your free time is worth. I've seen commercial rates as low as approx $15 setup + $2 per device programmed. That seems too low to me from a professional perspective but at the sa...
- Sat Jan 04, 2020 3:13 am
- Forum: Dragon General
- Topic: Winbond W27C512 EEProm
- Replies: 2
- Views: 3872
Winbond W27C512 EEProm
I am buying a TL866II Plus Programmer and I was thinking about Programming a Winbond W27C515. If I want to program some EEProm for someone what would be a fair price to charge for doing it plus a charge for the EEProm? I need the price for United States and Canada. I think 4 banks up to 16k program ...
- Thu Jan 02, 2020 6:49 am
- Forum: Dragon General
- Topic: Switch-a-roo
- Replies: 3
- Views: 4160
Re: Switch-a-roo
I have it all hook up and I now have a great video. Later when I can I will post some picture's.
- Sun Nov 24, 2019 9:13 pm
- Forum: Dragon General
- Topic: Switch-a-roo
- Replies: 3
- Views: 4160
Re: Switch-a-roo
I found this one https://www.amazon.com/TNP-Converter-Ad ... ldfwQ2oIV4 there is a few member on Discord that is using it.
- Sat Nov 23, 2019 3:19 am
- Forum: Dragon General
- Topic: Switch-a-roo
- Replies: 3
- Views: 4160
Switch-a-roo
Anyone use a Switch-a-roo? If you do what or which SCART and HDMI Converter do you use?
- Thu Nov 14, 2019 11:50 pm
- Forum: Discuss This Site
- Topic: Coco 3
- Replies: 2
- Views: 14713
Re: Coco 3
Sorry I don't do FaceBook I just don't like it because you leave a message and you never see again but you write a message here you can see it a year later. That why I am here like forums I did use tandyforum then about a week ago they plug and shut it down. @71 I like Forums so I hope they won't sh...