Author Archives: admin

TinyBASIC Arduino

Posted on November 9, 2020 by admin

I’ve been playing around with TinyBASIC Arduino Nano tonight and hooked up a blue LED and had it flash. D13 is connected to 330 resistor to positive LED and negative to GND.Also saved it to EEProm on chip using ESAVE … Continue reading →

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SC131 ‘Z80’ SBC

Posted on November 3, 2020 by admin

I’ve had this item on my to do list since 1991 and at the time I got hold of some great books on the topic and sketched out some basic designs I never found the time to design/build my very … Continue reading →

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Modern Retro Computer

Posted on October 27, 2020 by admin

A couple of new Arduino Nano’s arrived in the mail today so decided what better time to build a modern retro computer about as powerful as a ZX80 Spectrum from 1980. Total cost about $40. The Nano on the left … Continue reading →

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Vital Message

Posted on August 25, 2020 by admin

My second BASIC to C conversion using the classic Usborne 1980s computer books which helped many of today’s tech professionals were inspired by the Usborne computing books they read as children. The books included program listings for such iconic computers as the … Continue reading →

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Robot Missile

Posted on August 24, 2020 by admin

Usborne 1980s computer books helped many of today’s tech professionals were inspired by the Usborne computing books they read as children. The books included program listings for such iconic computers as the ZX Spectrum, the BBC Micro and the Commodore 64, … Continue reading →

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Blinking LED

Posted on August 20, 2020 by admin

Raspberry Pi project #1, the blinking of an LED using C and the wiringPi library. I know this isn’t necessarily anything special but I wanted to record my little projects and what better place to start than by building a … Continue reading →

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Day of Week

Posted on July 29, 2020 by admin

Here is a simply C program that lets you enter a number from 1 -7 (valid options) or higher than 7 as an invalid entry. Using multiple if…else decisions the program will display a corresponding day of the week.

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Hello World ‘x86’

Posted on July 20, 2020 by admin

Been about 25 years since I’ve written anything in x86 assembler so thought it might be fun to install NASAM and write a simple ‘Hello World’

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Hello World ‘C’

Posted on July 16, 2020 by admin

Been playing around with my Raspberry Pi 4 which I’ve installed in a great retro looking desktop case. Anyway I’ve never written anything in C for the Pi so though I’d have a go putting out the classic ‘Hello World’

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Retro Computer Kit

Posted on June 27, 2020 by admin

Early in September 2019 while on holidays in London I had a couple of free days available and decided to head north to Cambridge to visit the Centre for Computing History which was having an event day. Hidden away in … Continue reading →

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