Tag Archives: DIY

It’s The Final Countdown (I Hope)

The last version of the Morse Practice Oscillator has arrived. v2.04 StAR Edition (St Richards Amateur Radio club). They look really nice, and because I took the opportunity to panelise them, I got 20 of each board. They snap off … 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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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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Old Skool Tape Loading

As I continue to explore the world of retro-computing, bringing back memories of my late teens and early twenties, I’m constantly amazed at just how big the retro-computing scene is. I’m also amazed that, given all the new interfaces for … Continue reading

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Lets have another go!

Well, inspired by the announcement of the Specnext, I’ve decided to get back to work on my ZAViouR Board. It’s been a long time coming but now, I really want to get it going. I got a little disheartened when … Continue reading

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Universal Regulator Board

I have just published my design for a Universal Regulator Board in the Non-AVR Projects section. The idea behind it was that I was using much the same power supply for the majority of my projects, a 7805 and associated … Continue reading

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JOTA – 2014

This year, I’ve been invited to the Scouts JOTA/JOTI event on October 18 & 19th. JOTA (Jamboree on the Air) & JOTI (Jamboree on the Internet) organises Scouts all over the world to communicate via radio and the internet. Primarily, … Continue reading

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ICSP to Breadboard Adaptor

Frustrated by having to poke jumper wires into the socket of my AVR ISP MkII every time I wanted to program a breadboarded AVR, I quickly built an adaptor from strip board. It consists of a 6-pin shrouded header plug … Continue reading

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minDUINO v1.7 Arrival

I’m very pleased to report that the minDUINO v1.7 boards have arrived and are excellent! Fabricated by the fantastic Hackvana. They have never failed to deliver a top quality product. I’m very much looking forward to building one up to … Continue reading

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ICSP Test Rig

On a whim, I bought a Maplin project to build. I needed an audio signal generator for something I’m planning and the £15.99 Function Generator Kit seemed to fit the bill. I have a very local Maplin shop where the … Continue reading

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