Daily Archives: October 4, 2014

Tech Flashback: Lotus 1-2-3 for Windows Version 1.1 (1992)

Lotus 1-2-3 was one of the major spreadsheet software packages that propelled the PC to the forefront of business. First released in 26 January 1983 for MS-DOS, it was feature rich, as well as high performance compared to its contemporaries, … Continue reading

Posted in Computing, Obituary, Tech Flashback | Tagged , | 1 Comment

Project: Audio Induction Loop Receiver (Part 2: Sydney Trains DVA Collection)

In the last part, I decided to design and build myself an audio induction loop receiver. Part of this was just out of pure curiosity as to what sort of signals exist in the electromagnetic spectrum at audio frequencies, but … Continue reading

Posted in Audio, Electronics | Tagged , , | 3 Comments

Project: Audio Induction Loop Receiver (Part 1)

In daily life, you might have come across signs like this, with a picture of an ear, and the letter T on them. Maybe you didn’t think any more about them, as an average person with perfectly good hearing – … Continue reading

Posted in Audio, Electronics | Tagged , , | 13 Comments