{"ok":true,"trend":{"id":713315,"platform":"mastodon","region":"global","key":"various projects find hidden sdr capabilities in esp32 microcontrollers article url: https://www. rtl-sdr.com/various-pr","title":"Various Projects Find Hidden SDR Capabilities in ESP32 Microcontrollers Article URL: https://www. rtl-sdr.com/various-pr","url":"https://social.gamefan.net/@techwire/117370330692498460","first_seen":"2026-10-02T08:38:46.415126Z","last_seen":"2026-10-02T08:47:46.158760Z","last_rank":6,"peak_rank":4,"last_volume":2,"peak_volume":2,"seen_count":2,"score":0.504375,"category_hint":"gadgets","section":"business","category":"startups","summary":"Several independent projects have discovered that ESP32 microcontrollers, widely used in low-cost electronics, can function as software-defined radio receivers, a capability never officially documented by manufacturer Espressif. Hobbyists are sharing experiments and code, suggesting the cheap chips could be used for receiving radio signals without extra hardware, opening new possibilities for DIY radio and IoT projects.","why":"The unexpected discovery that a ubiquitous, inexpensive microcontroller hides undocumented radio receiver functionality is exciting the maker and hardware hacking communities.","tone":"positive","entities":["ESP32","Espressif","RTL-SDR"],"summarized_at":"2026-10-02T08:39:17.040405Z","meta":{"tag":"gadgets","via":"scan","kind":"status","lang":"en","instance":"mastodon.social","tag_uses":356},"nw":null,"promo":null,"kind":null,"importance":null,"hidden":false,"hide_reason":null,"judged_at":null,"title_en":"Projects Uncover Hidden SDR Capabilities in ESP32 Chips","section_name":"Business","category_name":"Startups","timeline":[{"captured_at":"2026-10-02T08:38:46.415126Z","rank":6,"volume":2},{"captured_at":"2026-10-02T08:46:46.717416Z","rank":4,"volume":2},{"captured_at":"2026-10-02T08:47:46.158760Z","rank":6,"volume":2}],"posts":[{"platform":"mastodon","url":"https://social.gamefan.net/@techwire/117370330692498460","author":"techwire@gamefan.net","title":null,"snippet":"Various Projects Find Hidden SDR Capabilities in ESP32 Microcontrollers Article URL: https://www. rtl-sdr.com/various-projects-i ndependently-find-hidden-sdr-capabilities-in-esp32-microcontrollers/ Comments URL: https:// news.ycombinator.com/item?id=4 9922674 Points: 4 #…","posted_at":"2026-10-02T08:18:35Z","likes":2}],"elsewhere":[],"window":"7d"}}