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Source channel @githubtrending · Post #15367 · Dec 25
#cplusplus#arduino#ble_jammer#ble_spoof#ble_spoofer#cybersecurity#deauther#esp32#hack#hacktoberfest#jammer#nrf_scanner#nrf24l01#sour_apple nRFBOX is a handheld ESP32-based tool that scans and analyzes the 2.4 GHz band (Wi‑Fi, BLE, etc.), shows signal strength and channel activity, and can run jamming, BLE jamming/spoofing, and Wi‑Fi deauthentication tests for security research and troubleshooting. It combines an ESP32, NRF24 modules, OLED display, battery management, and SD support for firmware and logging, with notes about limited range, device variability, and power limits when using multiple NRF modules. Benefit: you can use it to find crowded channels, diagnose wireless interference, and test network/device resilience in controlled, legal test environments. https://github.com/cifertech/nRFBox
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@kejiqu · Post #3599 · 06/25/2025, 08:59 AM
PNG 图片标准时隔 20 多年正式更新第三版：HDR、动图、Exif 支持等 PNG（Portable Network Graphics）第三版标准于6月24日正式发布，并被标记为 W3C 推荐标准。该标准旨在改进动图功能，支持高动态范围（HDR）图像，并整合自第二版以来报告的错误修复。新版本核心规范增加了广泛采用的 Animated PNG（APNG）动图格式。APNG 在 2004 年和 2005 年期间被创建并完善，但此前曾被 PNG 开发组拒绝。第三版规范使 APNG 规范与过去十年的内容和实现保持一致。此外，PNG 第三版还新增了 HDR 支持，添加 cICP 块用于包含图像格式元数据，使 PNG 能够包含 HDR 和广色域（WCG）图像。此前定义的 Exif 内容也被移至规范的主体部分。IT之家 | W3C 🏷#PNG#APNG#HDR 📢频道👥群组📝投稿