My house alerts me when my cat climbs into the ceiling

起動10秒！ Linuxすら捨てて「ラズパイ」をただの仮想CDドライブに変える変態ベアメタル環境

　レトロPCを実機で維持し続ける者にとって、避けては通れない「最後の壁」がある。

Why Moving Your Cheap Smart Plugs to a Guest Network Fixes Wi-Fi Latency

Relying on network segmentation shuts this vulnerability down entirely. If a hacker compromises a cheap smart lightbulb, a strict guest network prevents them

IoT Barcamp SH 2026

Smart City / Region / Country, LoRaWAN®, Internet of Things (IoT) – Was? Wer? Wozu? Antworten gibt es beim IoT Barcamp SH 2026 am 18.06.2026 organisiert von nodes.sh // Die IoT und LoRaWAN® Community des Landes Schleswig-Holstein

u-blox ALMA-B2 Bluetooth 6.0 and 802.15.4 module features Nordic nRF54LM20 Edge AI wireless MCU

u-blox has recently announced the ALMA-B2 standalone BLE 6.0 and 802.15.4 module family built around the Nordic Semi nRF54LM20 Cortex-M33 wireless microcontroller with a dedicated NPU for low-latency Edge AI applications. There are four specific product variants in the u-blox ALMA-B2 series: ALMA-B201, ALMA-B206, ALMA-B211, and ALMA-B216, all of which support Bluetooth 6.0 and Bluetooth Channel Sounding for distance measurement. They also support IEEE 802.15.4, including Thread, Zigbee, and Matter, as well as Nordic’s proprietary 2.4 GHz protocol and NFC. The company also mentions that the nRF54LM20B-based ALMA-B211 and ALMA-B216 variants include an Axon NPU that performs machine learning tasks up to 15 times faster and with greater energy efficiency than running the same tasks on the main processor alone. u-blox ALMA-B2 Series Specifications: Wireless SoC - Nordic Semiconductor nRF54LM20A (for ALMA-B201 and B206) or nRF54LM20B (for ALMA-B211 and B216) CPU Arm Cortex-M33 application processor clocked at up to 128 MHz RISC-V

Compteur d’eau par radio : lire la télérelève avec une clé RTL-SDR

Comment lire son compteur d’eau par radio avec une clé RTL-SDR, rtl_433 et wmbusmeters, puis envoyer la consommation vers Jeedom via MQTT.