Tag Archives: Circuit

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 avaliable from several sources and I find it very useful. Search as I might, … Continue reading

Posted in Components | Tagged , , , , , , , | Comments Off on EPROM Info Table

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

Posted in Design, Equipment | Tagged , , | Comments Off on Spectrum Next Kickstarter Active!

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

Posted in Construction, Uncategorized | Tagged , , , , , | Comments Off on YouTube Channel

KiCad

KiCad is an EDA program, similar to Eagle, Altium and the like. I last tried it some years ago and found it to be very difficult to use, not least because of the inevitable steep learning curve that all CAD … Continue reading

Posted in Building, Design, Uncategorized | Tagged , , , , , , , , , , , , | Comments Off on KiCad

Constructing an RC2014

Whilst working on the ZAViouR v1.02, I discovered a kit for a Z80 based micro-computer designed by Spencer Owen. Spencer called it the RC2014 since it was for the Retro Challenge in 2014. It’s a nice, simple modular design which … Continue reading

Posted in Building, Construction | Tagged , , , , , , , | Comments Off on Constructing an RC2014

ZAViouR Demo and plans

Development continues on ZAViouR Boards v1.01 and v1.02. With a simple bit of Arduino code, you can insert Z80 Hex coded machine code into the ‘Sketch’ via bin2h.exe then compile and run it. Demonstrated here with a simple routine to … Continue reading

Posted in Building, Construction, Design, ZAViouR | Tagged , , , , , , , , , | Comments Off on ZAViouR Demo and plans

AVR/Z80 Hybrid

The AVR/Z80 Hybrid boards arrived yesterday. Excellent service as always from Hackvana, my preferred fabricator. I set about constructing the first board. I’ve not included the output port on the first one since I haven’t got the two relevant 74′ … Continue reading

Posted in Construction, Programming | Tagged , , , , , , , , , , | Comments Off on AVR/Z80 Hybrid

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

Posted in Building, Construction, Design | Tagged , , , , , , , | Comments Off on Universal Regulator Board

ESP’ecially good!

The ESP8266 ESP-01/03 Flash/Proto v1.4 boards arrived today. I set about building one up to test it and it all checks out. I used my usual SMD soldering technique of placing blobs of solder paste on each of the connections … Continue reading

Posted in Building, Construction, ESP8266 | Tagged , , , , , , | Comments Off on ESP’ecially good!

ESP8266 ESP01/03 Flash-Prototype Board

The ESP01/03 Flash-Prototype Boards arrived from the fabricator. Good quality boards in a reasonable time. Although not Hackvana (Sorry Mitch, I’ll be back for the next batch!). Here you see two of the boards, one populated with an ESP-01 module, … Continue reading

Posted in Design, ESP8266 | Tagged , , , , , , | Comments Off on ESP8266 ESP01/03 Flash-Prototype Board