The CNC Machine – a positive influence on our lives An interesting topic gathering momentum is that of the CNC machine or Computer Numerical Code machines, machines driven by computers and becoming increasing popular within the DIY Maker community. Here we will look at the basic CNC machine and suppliers in South Africa. The CNC…
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 get the best one can afford. Most home users are now spending a lot more money on getting better quality soldering and rework stations to complete projects. Cheaper irons, the…
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, reliability and the application notes brought out by the manufacturers. LMD18200 – 3A 55V H-Bridge Calling back the past
Why 3D printing and CNC machines top the maker charts Building your own guitar? Cutting a face-plate for your new amp? Designing and manufacturing decals? For those of you just starting out, welcome to the club! The Maker fraternity in South Africa is believed to be very much alive and well in Cape Town and…
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 so damned gorgeous. OK, then you have the PA-7, industrial strength, industrial looks and what a beauty. But if you one needs to really capture beautiful looking amplifiers, then look…
The iPod Dock and Other Things One of our readers, 13 year old Craig wants to know why we don’t do reviews, especially on docking stations. Unfortunately as we don’t retail products and neither get support from resellers or manufacturers in this beautiful land of ours this can be pretty difficult unless we go out…
Class G and H Audio Amplifiers One design that has been out for eons and still catches us off guard is the rail shifting Class G or class H boost supply amplifier. Most purists agree that this concept is ideal for PA work but not high fidelity audio. To a certain degree I must agree…
What is the difference between Line and Microphone Inputs This is a question often asked in the forums, not necessarily as simplified as this but there is often ambiguity in the replies. So here we will look at what not to do and hopefully this will prevent mishaps in the inter-wiring of consumer and professional…
Sound City and analogue mixers I watched this movie a few weeks back and it had me intrigued on many levels. Not just the snippets of famous and much loved musical genius but the mere fact that one went to Sound City Studios to make music first and secondly to become famous. The legendary Neve 8078 in The…
The Internet of Things – better things to come still We recently ran an article called “IoT – A cynics viewpoint of the Internet of Things“. The thing is it wasn’t that cynical. Nowadays we have Cloud Services, simply put, running our applications on a rental server. As luck would have it, both are…
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