Author Archives: admin
Skin of Many Colours
I was having a chat with a friend of mine, Tony Davies of DCS Electronics in the UK. We were discussing possible expansions for the ZX Spectrum and arrived at a system of plug in modules for experimentation and utility. … Continue reading
Straight Through
With the delivery of the Sinclair Spectrum Next in full swing for the first Kickstarter, several owners have reported a small problem when using peripherals. Some edge connectors partially obscure the HDMI port on the ‘Next when connected. To alleviate … Continue reading
Testing….testing…
For a while, I’ve been working on an update to a popular diagnostic board for the Sinclair Spectrum range of computers. The original design was by Dylan Smith and has been through several periods of development in the past. I … Continue reading
Magnum Opus
A lot has been going on in the last month. It’s been chaotic. The SoftROM continues to be a problem and is being investigated. So far, the toggle switches are suspected of bouncing, but even after smoothing that out, the … Continue reading
Mikro Managing
After having the PCBs laying around for a long time, and with a little help, I have finally got the Shadow of the Unicorn Interface to work. The problem was right in front of me all the time and it … Continue reading
Darwin Would Be Proud…
I thought I’d post a short update: The Backplane adaptor boards have arrived and I have tested one. It works fine. I’ve posted the design files on the Project page. In case you missed the previous post, this new board … Continue reading
Adapt & Evolve
Having now published the Spectrum Backplane (Which can be found on the Projects page), I thought it was time to update the expansion connections. I have a few interfaces that have edge connectors that lay the device down horizontally, but … Continue reading
Round Again
It’s been more than a year since I posted on this site. Quite amazing how time files! I had a bit of a Speccy burn Out and needed a break. This turned into a protracted period as I got interested … Continue reading
Backplane again
I received the second version of the Spectrum Backplane the other day. I have since built one up and tested it briefly and it looks like it’s all OK. This issue with the first one was that the front edge … Continue reading
Suffering with Backplane
Excuse the awful pun but I wanted to post about one of my recent projects. Back when I used to buy the great Spectrum magazines like Your Spectrum and Crash, I read an article about adding peripherals to the rear … Continue reading
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