https://hackropole.fr/en/wi-fi/ Recent content in Wi-Fi on Hackropole Hugo en Fri, 03 Apr 2026 00:00:00 +0000 https://hackropole.fr/en/challenges/hardware/fcsc2026-hardware-a-la-recherche-du-wapiti/ Mon, 13 Apr 2026 00:00:00 +0000 https://hackropole.fr/en/challenges/hardware/fcsc2026-hardware-a-la-recherche-du-wapiti/ <p>While traveling in northern China, you find sensors in your accommodation. These are based on ESP32C3, but they seem to speak a language you do not understand.</p> <p>Armed with your Wi-Fi card and your tools, you manage to retrieve the firmware from one of the ESP32 devices.</p> https://hackropole.fr/en/challenges/hardware/fcsc2026-hardware-maintenant-lesp/ Mon, 13 Apr 2026 00:00:00 +0000 https://hackropole.fr/en/challenges/hardware/fcsc2026-hardware-maintenant-lesp/ <p>Wi-Fi communication is not limited to devices connected to the same access point. Direct communication between devices is possible using certain protocols. ESP-NOW is one such example.</p> <p>What were my two ESP32 talking about?</p>