Exploring Engineering Marvels and Challenges | Electronics Weekly

Trying the Beyond Ballistics DIY rust remover

Steve Bush — Thu, 26 Jun 2025 11:26:39 +0000

There are all sorts of amateur chemical rust removing techniques, and some electrochemical ones, many of which eat away lots of good metal as well as rust – all the ...

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CNC lathe rev counter prototype ready for action

Steve Bush — Mon, 23 Jun 2025 16:17:23 +0000

A touch more work over the weekend for the rev counter into a solid form that can be tried on the cnc lathe when it is re-assembled. Although some potential ...

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Weigh a flying plane from the ground

Steve Bush — Wed, 18 Jun 2025 13:44:30 +0000

Mechanical stuff never ceases to amaze me. The latest revelation is that one can weigh an aeroplane flying overhead from the ground. At least, that is what a YouTuber called ...

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The rev counter prototype is up and running

Steve Bush — Tue, 17 Jun 2025 11:14:28 +0000

The cnc lathe rev counter prototype now works – with a bit of help from friends who can actually programme. On a signal generator, the display is rock-solid and spot-on ...

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Arduino reciprocal RPM meter progress

Steve Bush — Mon, 09 Jun 2025 10:10:46 +0000

The parts arrived for the RPM meter that uses an Arduino and reciprocal counting to get a three-times-a-second update rate with 1rpm resolution. Arduinos plus ready-made modules are a very ...

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Tribulations of using 1/duration to measure frequency

Steve Bush — Wed, 04 Jun 2025 14:07:53 +0000

I have a sub-project – to measure rpm using a disc with 48 slots. This is part of the cnc lathe project, and as it is for speed control the ...

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CNC lathe: Big thanks to kind open-source folk

Steve Bush — Tue, 27 May 2025 15:15:49 +0000

The cnc lathe project needs a controller to replace the 40 year old custom controller within the lathe. It is a shame this has to be done, as it was ...

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No-volt release with few new holes?

Steve Bush — Fri, 09 May 2025 15:55:30 +0000

Some sort of sane no-volt release and emergency stop needs to be applied to the cnc lathe project (when time allows….) And before that time is available, so thought has ...

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More capacitor help please

Steve Bush — Thu, 01 May 2025 11:21:04 +0000

Thanks for the help with the mystery tantalum capacitor on the Jay Electronics motor controller board – that is on its way to the bin as a consequence. Now that ...

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Excellent GaN psu introduction video

Steve Bush — Thu, 01 May 2025 10:28:02 +0000

For those wanting a little more on the advantages of GaN power transistors in small mains power supplies, ElectrArc240 has created an excellent YouTube video. ElectrArc240 has clearly knows what ...

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