Tag Archives: design

More Oscillations

The Morse Practice Oscillator boards finally arrived! Sometimes I dispair my orders will ever get from China to the UK without incident. I think I may use the DHL option more often. Anyway, having unpacked the new boards, I built … Continue reading

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Oscillator Update

I successfully completed the Twin ‘T’ Oscillator, original by Mike Maynard – K4ICY. It’s a great circuit and sounds really good. Much better than a raspy 555 version. Mike has been kind enough to put a link to my project … Continue reading

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Radio Network

I’ve been a licenced radio amateur since 1993. My callsign is G0TDJ. Morse was always my first love in radio although I have tried many other modes. Recently, ‘Network Radio’ was drawn to my attention by an article in a … Continue reading

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You’re just Multi-faced

A lot has been going on lately so I thought I’d update the blog with some of it. Starting with a small announcement. I secured the domain www.ProjectSPECCY.com It currently re-directs here. I am unsure as yet whether I will … Continue reading

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Refurbishing a 48K Rubber Keyed Sinclair ZX Spectrum – Pt.4 Custom Composite Video Mod

Now I had the Spectrum PCB fully working, I wanted to add a Composite Video modification to round off all the refurbishments. I had already used a neat circuit advised by Andrew Gostling when I repaired a previous machine. Although … Continue reading

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EPROM Info Table

One of the other things I am involved in is graphics. I have had this table knocking about on my hard drive for a while: It’s available from several sources and I find it very useful. Search as I might, … Continue reading

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Electronic Film Clapper

By way of a break from the Timed Camera Cable Release, I chose to develop the Electronic Film Clapper further and learned a lot in the process. I had the first iteration of the boards fabricated by Hackvana as usual … Continue reading

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New Project: TB Timer – Timed Camera Cable Release

One of my other pastimes is Photography. I used to be ‘in the trade’, in fact, I have been a photographer and a photographer’s assistant several times. Nowadays, I pursue photography in a hobbyist sense. I still enjoy experimenting with … Continue reading

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Spectrum Next Kickstarter Active!

After what seems a very long wait, the Spectrum Next Kickstarter campaign has started. This machine promises to be everything the retro-computing fan would need. A very well ‘speced’ machine (pardon the pun) with active development, a thriving community and … Continue reading

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YouTube Channel

I’ve been setting up equipment to start a ProjectAVR YouTube channel for a while. Almost there now. Just a few more pieces of the jigsaw to put in place. In the mean time, I’ve been learning about video editing and … Continue reading

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