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Paper Under a Microscope

Lukasz

07 Feb 2021 • 1 min read

A piece of torn white paper under a microscope.

Slide with a torn piece of paper

Cellulose fibres

Close-up of a cellulose fibre

ZigBee Controlled Floor Heating Manifold

Here's a small DIY project for controlling valves for floor heating. The whole project used off the shelf parts: 1. Eight 24 V electric valves (AliExpress). 2. 24 V power supply (AliExpress). 3. Zigbee 12 relay board (AliExpress). 4. Box (https://tme.eu). There were few adaptations that

20 Feb 2025 2 min read

Repairing Kindle DX

I was able to buy for 20 EUR a damaged Kindle DX with a large 9.7" eInk screen and a Amazon Whispernet, global 2G/3G cellular network (no WiFi). The screen was shattered and the case was cracked in two places, there was no information if the Kindle

13 Feb 2025 3 min read

Storks Before Migration

Gathering of storks in Pays de Gex, before migration to the south.

06 Feb 2025 1 min read

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