Discover and read the best of Twitter Threads about #rc2014

Most recents (4)

Happy 2022 and my first new product of the year!

ZX Spectrum<->RC2014 Bus Interface

2 slots to add #RC2014 peripherals to your #ZXSpectrum, with external power, reset and optional ZX through port.

£26.99 (without TP) / £29.99 (with TP)

Read on as I add more to this thread...
This board gives your ZX Spectrum two RC2014 slots for connecting I/O based peripherals, expanding the range of hardware possibilities!

To order, please DM or email me via my website: samcoupe.com

They'll be added to my website, eBay and Tindie shortly.
Here's a look at using a variety of RC2014 peripherals with the interface. For these, I'm just using it with my trusty ZX Spectrum+, but the interface is designed for any model. I've a +2 and a ZX Spectrum Next dev board, so I've ensured the PCB fits around the HDMI port on that.
Read 17 tweets
Another year just about gone, here's a quick hardware roundup of what I released during 2021!

In August I released 'ZX True Tone' (ZXTT) to generate the correct frequency to match the #ZXSpectrum's AY soundchip for Ed Brindley's #RC2014 YM/AY Soundcard.

ebay.co.uk/itm/1149516644…
While the AY/YM chips can use a clock up to 2MHz, the #ZXSpectrum used 1.7734MHz. So if listening to Spec music at a higher freq it'll be pitched higher, likewise lower pitch with lower freq. So I created ZXTT to let me listen to ZXSpectrum music at the exactly the correct pitch.
The end of August and start of September saw the release of two general expansion cards for the #SAMCoupe, larger versions of previous cards.

3 Way Expansion Card
ebay.co.uk/itm/1149672961…

4 Way SAM-RC2014 Bus Interface
ebay.co.uk/itm/1149635738…
(Use #RC2014 peripherals on SAM!)
Read 6 tweets
Guess who got a new @oshpark sticker today! Image
All strapped in for a mere 480 solder joints! Image
Probably the smallest 12 slot #RC2014 backplane ever! Image
Read 11 tweets
Time to finally assemble the RC2014 Micro - Single Board Z80 Computer Kit that I received from @ZxSpectROM !! Thank you again 🤩😎😁

tindie.com/products/semac… RC2014 Micro - Single Board Z80 Computer Kit
Assembly of the RC2014 going well so far.
Soldering up the @ZxSpectROM RC2014 Micro #Z80 was pretty easy. I'm glad the enclosed printed instructions clarified the A14 and A15 soldered jumpers to GND (not as clear on web). A13 has selectable jumper for MS BASIC or SCM Monitor.
Read 7 tweets

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