Transistor Equivalents – old equipment restoration
Where to find transistor equivalents? Restoring old gear can be a nightmare when it comes to some of the more obscure transistor types, and a...
Electronic Circuits for Beginners
What to look for when starting out - Electronic circuits for beginners What is the attraction behind electronics? This is a sore topic in many...
Soldering and Rework Stations and other Kit
The best soldering iron and rework stations for the job? Of course this is a commonly asked question and the reply will always be to...
PWM and Chopper Drivers
Pulse width modulation and chopper drivers for stepper motors If there's anything that can be said about modern electronics it's going to include MOSFET technology,...
VU Meters Vs Bargraph
Volume Units and Decibels My first peek at a Nakamichi was in Japan. Sparse in detail, no flashing lights, VU meters or fluorescent displays. Just...
Audio and consumer electronics – trends in 2017
Curved HDTV, Bluetooth and Sound Bars Love it or hate it, Bluetooth is making a big comeback in the world of audio. Although Bluetooth never...
Analogue Routing – patchbays and cables
Patchbays - routing your signal Note: This is a preliminary article and will cover the construction of a basic Arduino controlled patch bay/audio signal router....
The ubiquitous 555 IC
And now for the world's most famous IC - the 555 Timer This Signetics - Hans Camenzend IC was not just a best seller but...
Light Control – the DMX system
From LED flashers to DMX Lighting Programmers starts with "hell world". Beginners in electronics start with light flashers. Arduino does too! Although we boast about...
Total Harmonic Distortion meter
THD Meters - how they work Many years back the must haves for anyone building audio equipment would have been the multimeter (DVM), oscilloscope and...