Flipper Zero, Keysy, Proxmark? Forget about them, now there’s Chameleon Ultra. An RFID emulator that can do a lot.
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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. It supports various cracking methods and is an open-source project with an incredibly low price.

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Review of the FNIRSI HS-02A Soldering Iron
2025-08-08

Review of the FNIRSI HS-02A Soldering Iron

I got my hands on a soldering pen from the brand FNIRSI, model HS-02A. After a few hours of soldering with it, I can share my impressions. The soldering pen…

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Drone detection using a cheap SDR device.
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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How I was looking for a suitable module on Ali, but ended up finding completely different ones that I also really need.
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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MeshCore as an (incompatible) alternative to Meshtastic? How to set it up for messaging?
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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Star Gate right at home. Print your perfect replica of the Stargate.
2025-07-16

Star Gate right at home. Print your perfect replica of the Stargate.

The Stargate still has many fans – who wouldn’t love the action-packed Jack O’Neill or the clever Samantha Carter? Thanks to 3D printing, you can have your own Stargate from…

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Professional CAD SOLIDWORKS with a 50% discount for the whole year. Only $24.
2025-07-16

Professional CAD SOLIDWORKS with a 50% discount for the whole year. Only $24.

By following this website, you can save 50% on the purchase of professional CAD SOLIDWORKS. With this coupon, you can get the CAD for just $24 for the whole year…

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Alza adds PETG to its portfolio of 3D printing filaments.
2025-07-16

Alza adds PETG to its portfolio of 3D printing filaments.

Alza is on the move. Alza clearly sees 3D printing as a path for further growth, and after launching their PLA filament with the unexpected name Alzament, they are now…

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3D printed weather station box with radiation shield for AirBoard/Meteo Mini and SEN55 sensor.
2025-07-08

3D printed weather station box with radiation shield for AirBoard/Meteo Mini and SEN55 sensor.

The article could be titled “How I Enhanced a 3D-Printed Box with a Radiation Shield for a Weather Station with the SEN5x Sensor and Air Board Controller.” This would perfectly…

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3D printed box full of sensors for measuring air quality with Wi-Fi, Bluetooth, and open-source firmware.
2025-06-30

3D printed box full of sensors for measuring air quality with Wi-Fi, Bluetooth, and open-source firmware.

The 3D printed box, which you can easily overlook on the wall, is filled with various sensors for measuring air quality. Inside this inconspicuous box are sensors that measure temperature,…

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Converter for numerical systems between HEX, DEC, and BIN – ad-free, button-free, and intuitive.
2025-06-24

Converter for numerical systems between HEX, DEC, and BIN – ad-free, button-free, and intuitive.

There are plenty of converters between HEX, DEC, and BIN number systems everywhere. Some do this, others do that, and some have ads everywhere, making it hard to navigate their…

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