17 August 2026

hp sprocket not turning on, flashes red and green

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DISCLAIMER. The following procedure is documented for reference and audience's knowledge growth only. Repeat the steps below at your own...
30 July 2026

Majestic RT-195 DAB receiver

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Every once in a while, someone forgets the peculiar quality of Majestic-branded products and buys one. Not sure when this Majestic RT-195 r...
15 July 2026

How to load PDFs on an iPad3 in 2026

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I have some PDFs I want to read offline but the closest object to an eReader that I have access to is an iPad3 (A1396). Pretty old stuff, b...
29 April 2026

Spelling and calling IC part names

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The idea behind this post started after one person on X asked how people pronounced the 80486 processor: 80-4-8-6 or 80-486? Then I realised...
08 February 2026

Unknown USB bridge [0x7825:0xa2a4 (0x4101)]

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I am using a cheap (AliX) USB 3.0 to SATA adapter to test some hard-disks. I want to read their S.M.A.R.T.  (Self-Monitoring, Analysis and R...
31 January 2026

Bad audio quality with Bluetooth headset on Windows 11

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  I've recently upgraded to Windows 11 25H2 and my noise cancelling JBL TUNE660 bluetooth headphones would play music as it was transmit...
31 December 2025

Are knots rocket science?

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Not much interesting has happened in my lab this December 2025. Nevertheless I want to document a curious find from yesterday. I was browsin...
28 November 2025

Failing Polar M430 battery

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At the sport club attended by a family member they use extensively Polar M430 GPS fitness trackers. These M430 combine the flexibility to c...