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How OTA updates work via microSD in TentacleOS

How OTA updates work via microSD in TentacleOS

Updating firmware on an embedded device isn't as simple as clicking "Update" on your phone. There's no app store, no background download, and if something goes wrong mid-update, you could end up with a bricked device. In this post, we'll walk through
19 Mar 2026 6 min read
Definition of the Mechanical and Electronic Design of High Boy

Definition of the Mechanical and Electronic Design of High Boy

Developing hardware is a completely different beast compared to software. You can push software updates every day, but with hardware, every single change means going through a full fabrication cycle just to produce test samples. For the last two months, we’ve been heads-down on the schematics and mechanical design.
14 Mar 2026 4 min read
Implementing a High-Performance SubGhz Stack on ESP32-P4 with CC1101
Firmware

Implementing a High-Performance SubGhz Stack on ESP32-P4 with CC1101

The CC1101 is a low-power sub-1 GHz transceiver designed for very low-power wireless applications. It is widely used in security research due to its flexibility in handling various modulation schemes such as ASK, OOK, FSK, and GFSK. Within the TentacleOS project, we have implemented a specialized driver and capture stack
19 Feb 2026 3 min read
You can DEAUTH 5Ghz networks?
Firmware

You can DEAUTH 5Ghz networks?

Let’s start by talking about how deauth works and why it is possible. Most 2.4GHz networks use the WPA2 security protocol with PMF disabled. With PMF disabled, a deauther exploits a vulnerability in the 802.11 protocol. The Deauthentication Frame exists by default in Wi-Fi. It is used
16 Feb 2026 2 min read
New industrial design
High Boy

New industrial design

Hello, Hackers, Makers, and Enthusiasts! How is everyone doing? We’re back with an exciting update straight from the development bench. Today, we want to share the latest Industrial Design (ID) revision for the High Boy. As always, your feedback is the most important piece of this puzzle. What’s
14 Feb 2026 2 min read
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