Components and Parts

Tester kabelů - USB-A i B, USB-C, Lightning a další
2025-09-16

I didn’t expect that. I can throw away a third of my USB-C cables. They lack the connected signals, and I found out thanks to this tester.

Who hasn’t experienced this? You need to quickly charge your phone, plug it in, and after an hour, there’s only a 10% increase. Or you want to transfer data to…

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2025-09-15

Interesting. A switched regulator in a TO3 package, for example for eight-bit computers.

Are you interested in 8-bit computers? Facebook suggested an interesting project shared in a group of enthusiasts who are passionate about 8-bits. Linear regulators in TO3 packages are used in…

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2025-08-15

Flipper Zero, Keysy, Proxmark? Forget about them, now there’s Chameleon Ultra. An RFID emulator that can do a lot.

The Chameleon Ultra is a compact RFID emulator that can clone LF (125 kHz) and HF (13.56 MHz) cards. It can read, write, and be used as a communication analyzer.…

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2025-08-05

Drone detection using a cheap SDR device.

Drones are now a common part of our lives — from filming weddings and advertisements to racing and monitoring industrial and critical infrastructure. However, they are not always welcome “visitors,”…

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2025-08-04

How I was looking for a suitable module on Ali, but ended up finding completely different ones that I also really need.

I need a simple module – a USB-C connector (it could be without it), a charging chip for a LiPo battery on the board, and an output step-down (or LDO)…

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2025-07-28

MeshCore as an (incompatible) alternative to Meshtastic? How to set it up for messaging?

MeshCore as an alternative to the popular off-grid text communication Meshtastic is now popular in the Czech Republic – what about your country? A strong community has quickly formed, working…

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