TECH NEWS
Securing a Smart Dog Collar: Secure Elements, Key Lifecycles, and Why TLS Isn't Enough on 5 Microamp
The key that was never really yours Years ago I shipped a battery-powered NB-IoT pet collar and wrote about the firmware side of it: FreeRTOS, an STM32L4, safe OTA, and the small humiliations of making a radio live inside a dog's daily schedule. That article was about keeping