Thanks Mike, I get a lot of use out of it too.

As for the mHz thing - yeah, I do that unknowingly - I do teh and usually follow a first capital with ANother too. I was told by my daughter (a clinical psychologist) that this is a real 'thing' and could possibly be treated, but I can catch most of these 'flaws' in my typing and correct them and have been since my first keyboard some 42 years ago.

YEah, they go fast, not slow.

(See, that double capital? I'd usually correct that, but I'm leaving it there as an exhibit to my 'condition' - lol).

I also have a couple of new projects that might be of interest. One you can have the PCB for the price of shipping. It's a real simple and tiny design with an expansion bus that can be used in a solderless breadboard and other configurations. It has performed well up to 19+ MHz, uses only 5 chips and fits in the palm of you hand. Here are some shots of it in various projects that are underway.







The other is a motherboard type design, but uses a 4-layer board so I'd be a bit hard pressed to give it away. It runs at 16 MHz and through a memory register can address 128K ROM.



PM me if you are interested in either.

Edit: First board corrected to 19+ MHz! Not 291MHz.
Edit-2: mHz corrected to MHz - I'm special....

It's lovely!

May I ask the edge connector type? I'm after some just like that for my next project and being swamped by the somewhat sub-optimal searches on mouser/rs/farnell, etc. It's one thing where the old printed catalogues really were a boon to be able to quickly flick through the pictures, then get down to the details..

Thanks,

-Gordon

Thanks!

They are 805 series 3.96mm pitch 36 pin connectors with the PCB pins. I got these off eBay for about $1.20 a piece. If you don't deal with eBay you can just google "805 series edge connector" and find other sources.

Here's where I got mine: https://www.ebay.ca/itm/1x-Card-edge-connector-2x18-Pin-36-Pin-gold-slot-PCB-panel-solder-socket-harn-Tk-/293040964541?var=&hash=item443a9a43bd