翔泳社では、「独習」「徹底入門」「スラスラわかる」「絵で見てわかる」「一年生」などの人気シリーズをはじめ、言語や開発手法、最新技術を解説した書籍を多数手がけています。プロジェクトマネジメントやチームビルティングといった管理職向けの ...

Using Bluetooth on a desktop computer is now such a seamless process; it’s something built-in and just works. Behind that ubiquity is a protocol layer called HCI, or Host Controller Interface, a set ...

無線通信対応SoC「ESP32」などの開発で知られるEspressif Systemsが、RISC-VベースのSoC「ESP32-C5」の量産を開始しました。 ESP32-C5 2.4 ...

For smart home deployments, there are a lot of ways to track the presence of individuals in a room. There are motion detection sensors that use mmWave and PIR, and you can also use simple detection ...

リップル社の最高技術責任者（CTO）デビッド・シュワルツ氏が、最近発見されたBluetoothの脆弱性について懸念を表明した。この脆弱性は、世界中で約10億台のデバイスに影響を及ぼす可能性がある。

The cheap WLAN and Bluetooth chips from the manufacturer Espressif, ESP32, contain undocumented commands in the Bluetooth hardware communication in current firmware versions. This opens up a security ...

Recently there was a panicked scrambling after the announcement by [Tarlogic] of a ‘backdoor’ found in Espressif’s popular ESP32 MCUs. Specifically a backdoor on the Bluetooth side that would give a ...

Espressif’s popular ESP32 microchip, found in over a billion devices, has been caught with its digital trousers down, thanks to an undocumented "backdoor" lurking in its Bluetooth firmware. For those ...