Useful Components: Electronics kits with fully detailed instructions online.
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Reviews
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Etsy buyer on Apr 22, 2026
5 out of 5 starsGreat item as des cribed.
Henry James responded on Apr 22, 2026
Thankyou for your positive review. I hope the knobs are looking good.
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Jonathan on Mar 11, 2026
5 out of 5 starsgreat customer service and always fast delivery - Thank you
Henry James responded on Mar 31, 2026
Always pleased to get the right thing on time to a good customer.
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Jonathan on Mar 9, 2026
5 out of 5 starsgreat customer service and speedy delivery
Henry James responded on Mar 31, 2026
Always pleased to get the right thing on time to a good customer.
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Denise on Jun 13, 2026
5 out of 5 starsReally fast shipping, great knobs for my synth. There were color choices and I selected blue because I thought it would look nice with my older Novation synth. A special note, the packaging was very neatly done in all detail, and I personally loved the Royal Mail postage stamps.
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Keith on Jun 7, 2026
5 out of 5 starsFast shipping and great customer service. Exactly as described.
Henry James responded on Jun 9, 2026
Thankyou for your positive review and the 5*s.
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Keith on Jun 7, 2026
5 out of 5 starsFast shipping and great customer service. Exactly as described.
Henry James responded on Jun 9, 2026
Thankyou for your positive review and the 5*s.
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Keith on Jun 7, 2026
5 out of 5 starsFast shipping and great customer service. Exactly as described.
Henry James responded on Jun 9, 2026
Thankyou for your positive review and the 5*s.
About HJWElectronics
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The beautiful trace that you get on an oscilloscope when playing with some custom built Ambisonic surround-sound gear. -
Loud reception using the Useful Components crystal set radio kit on a farm fence while out hiking in Shropshire. -
The BTR/3 Stereo tape machine at Radio Glen in Southampton. We still used that machine in 1993. After I'd fixed it :) -
Sometimes one has to erect a big crystal radio aerial to see how good it is. This 100 meter one was pretty good:) -
I dabble with surround-sound and annoyingly claim to have built the first *cheap* soundfield microphone in 2003.
Shop about video description
Shop members
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Henry James Walmsley
Owner, Everything
Hello. I'm an electronics engineer who sells kits and electronics parts for repair jobs and projects. For small items, put anything in your shopping basket from any listing for one postage charge, but watch out for the higher postage lumpy items.
Production partners
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CLIFF Electronic Components
Redhill, England
I supply useful CLIFF parts that no-one else will stock, e.g. all available colours of one type of control knob rather than just the black or red variant found at other retailers. These are frquently used by customers for fixing and customising vintage mixing desks and equipment.
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Cancellations: accepted
Request a cancellation: before item has shipped