Robert - DL3RR
@robertdl3rr.bsky.social
Chartered Engineer, Amateur radio (especially QRP), cycling, walking, armchair narrowboater, model railways and retro-computing.
I found these in a dusty corner of Smith's a few years ago and cleaned out their stock. I don't think they knew what they had!
November 6, 2025 at 6:56 AM
I found these in a dusty corner of Smith's a few years ago and cleaned out their stock. I don't think they knew what they had!
I have spent some pennies on one of these...
It should be arriving today, and I am ridiculously excited!
It should be arriving today, and I am ridiculously excited!
July 25, 2025 at 5:51 AM
I have spent some pennies on one of these...
It should be arriving today, and I am ridiculously excited!
It should be arriving today, and I am ridiculously excited!
I love those old service manuals!
June 18, 2025 at 8:56 AM
I love those old service manuals!
What about this one? The advert even says it's portable.
June 11, 2025 at 6:12 AM
What about this one? The advert even says it's portable.
I've just looked it up and it was 16 programs. So two cards which could be inserted eight ways.
i.ebayimg.com/images/g/h2k...
i.ebayimg.com/images/g/h2k...
May 9, 2025 at 12:06 PM
I've just looked it up and it was 16 programs. So two cards which could be inserted eight ways.
i.ebayimg.com/images/g/h2k...
i.ebayimg.com/images/g/h2k...
Lolwut?!?
Then it's not actually a 16-bit Bidirectional I/O port, is it?
Then it's not actually a 16-bit Bidirectional I/O port, is it?
April 4, 2025 at 10:28 AM
Lolwut?!?
Then it's not actually a 16-bit Bidirectional I/O port, is it?
Then it's not actually a 16-bit Bidirectional I/O port, is it?
Return of the Vermicious Knids!
March 8, 2025 at 1:16 PM
Return of the Vermicious Knids!
My Particular (Non Sinclair) favorite:
February 24, 2025 at 12:42 PM
My Particular (Non Sinclair) favorite:
Indeed - It's also against the IARU's code of conduct:
February 10, 2025 at 6:18 AM
Indeed - It's also against the IARU's code of conduct:
Back to writing a simulator/ emulator. It's a while since I've done one. (I must be a glutton for punishment).
This time, it's a #DataGeneral #Nova.
This time, it's a #DataGeneral #Nova.
February 9, 2025 at 12:17 PM
Back to writing a simulator/ emulator. It's a while since I've done one. (I must be a glutton for punishment).
This time, it's a #DataGeneral #Nova.
This time, it's a #DataGeneral #Nova.
Ooooh! Look what Santa brought 🎅
December 25, 2024 at 3:38 PM
Ooooh! Look what Santa brought 🎅
This was the cause of some very colourful language. Of course, the code on here was the ONE project I don't have a backup of... 🤬
December 16, 2024 at 10:22 AM
This was the cause of some very colourful language. Of course, the code on here was the ONE project I don't have a backup of... 🤬
Apparently, this is a reindeer head. Not a Vermicious Knid - whoops 😬
December 8, 2024 at 5:38 PM
Apparently, this is a reindeer head. Not a Vermicious Knid - whoops 😬
A little side project. Playing around with the Framebuffer on the Raspberry Pi.
December 7, 2024 at 12:56 PM
A little side project. Playing around with the Framebuffer on the Raspberry Pi.
Train your AI on that!
November 15, 2024 at 5:09 PM
Train your AI on that!
It's happening...
November 15, 2024 at 3:38 PM
It's happening...
Yesterday evening, I finally managed to get my #RC2014
real time clock board working.
Note to self - when ordering parts make sure you check the datasheet!
What I thought I ordered (Left) vs what I actually ordered (Right) 🤦
real time clock board working.
Note to self - when ordering parts make sure you check the datasheet!
What I thought I ordered (Left) vs what I actually ordered (Right) 🤦
November 13, 2024 at 11:35 AM
Yesterday evening, I finally managed to get my #RC2014
real time clock board working.
Note to self - when ordering parts make sure you check the datasheet!
What I thought I ordered (Left) vs what I actually ordered (Right) 🤦
real time clock board working.
Note to self - when ordering parts make sure you check the datasheet!
What I thought I ordered (Left) vs what I actually ordered (Right) 🤦