Gerboise/contributors/gerboise/Recent content on GerboiseHugoenGerboiseMon, 16 Mar 2026 00:00:00 +0000Beeper 1: Reverse Engineering a Hidden Command/blog/beeper-1-reverse-engineering-a-hidden-command/Mon, 16 Mar 2026 00:00:00 +0000/blog/beeper-1-reverse-engineering-a-hidden-command/Reverse engineering a Zephyr firmware to find a hidden XOR-obfuscated command in a Ph0wn CTF challengeBeeper 2: Crafting an OOK Radio Signal to Trigger a Hidden Command/blog/beeper-2-crafting-an-ook-radio-signal-to-trigger-a-hidden-command/Mon, 16 Mar 2026 00:00:00 +0000/blog/beeper-2-crafting-an-ook-radio-signal-to-trigger-a-hidden-command/Crafting and transmitting a 433 MHz OOK signal with a BladeRF to trigger a hidden command on a real deviceAnalyzing 433 MHz Signals with BladeRF/blog/analyzing-433-mhz-signals-with-bladerf/Sun, 15 Feb 2026 00:00:00 +0000/blog/analyzing-433-mhz-signals-with-bladerf/Capture and decode 433 MHz domotic beeper signals using SDRGetting Started with BladeRF/blog/getting-started-with-bladerf/Sun, 01 Feb 2026 00:00:00 +0000/blog/getting-started-with-bladerf/A hands-on guide to SDR with the BladeRF xA4, from installation to first receptionGetting Started with UART on Zephyr using HydraBus/blog/getting-started-with-uart-on-zephyr-using-hydrabus/Thu, 15 Jan 2026 00:00:00 +0000/blog/getting-started-with-uart-on-zephyr-using-hydrabus/A practical guide to setting up UART on custom pins with Zephyr and testing the communication using HydraBusNews for January 2026/blog/news-for-january-2026/Thu, 01 Jan 2026 00:00:00 +0000/blog/news-for-january-2026/Looking back at 2025 and setting goals for 2026