Hardware & IoT
Embedded and IoT reverse engineering - UART shells, BLE sniffing, smart devices, and hardware teardown writeups.

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Reverse Engineering ZYHQ Smart Rings - Sniffing BLE Health Telemetry in Real Time
Reverse engineer ZYHQ smart rings over BLE to decode health telemetry packets and stream sensor data in real time from commodity wearables.
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Standalone posts
Reverse Engineering ZYHQ Smart Rings - Sniffing BLE Health Telemetry in Real TimeReverse engineer ZYHQ smart rings over BLE to decode health telemetry packets and stream sensor data in real time from commodity wearables.
Sniffing BLE Data on a Temu Smart ScaleI picked up a $4 smart scale from Temu and created a BLE sniffer in Python. Research notes from Drew Alleman on Sniffing BLE Data on a Temu Smart Scale.
Root Shell Access on NETGEAR AC1000 R6080 through UART Debug InterfaceA walkthrough on how I enumerated each of the UART pins and gained a root shell to the router. Research notes from Drew Alleman on Root Shell Access on...