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I was unexpectedly contacted at October last year by the PCBWay - a Chinese manufacturer providing PCBs, milling, 3D printing and similar stuff - that they have found my blog and are willing to sponsor my next project.

I've bought the Pokfly Extralight 6000 paragliding harness last year.

The official Nordic DFU bootloader is nice, but huge, on smaller devices like NRF52811 it takes a large portion of memory, combined with a softdevice, only few kB of Flash are left for the application.

Today's world is full of dynamic changes, software release cycle is getting shorter and shorter and everyone expect the latest features to be immediately available everywhere.

Importing KiCad 3D model of the board to OnShape is quite straightforward, if you know the process, but the internet is full of complex methods that are no longer needed.

I've bought the popular Quansheng UV-K5 dual band radio for my paragliding trips.

When I was looking for a decent hardware for a paragliding instrument I came across the E-Book readers from Rakuten called Kobo.These machines provide a decent e-ink display together with a pretty capable hardware running Linux.

It's been some time since I bought the Cubot KingKong Mini 2.

During my hunt for literature about aircraft design I found several interesting old books scanned to PDF online, these raw scans are hard to read, especially when both pages are scanned on a single PDF page.

The LTSpice is a great and free simulation tool for analog circuits.