Zolertia

Managing multiple USB devices on Debian or Raspberry Pi gets messy when port names shift on every reboot. Using udev rules with device serial numbers, you can assign permanent, predictable names like /dev/anchor1 that survive reboots and reconnections.

Running out of RAM on a Zolertia Zoul/CC2538 with Contiki OS? The .stack will not fit in FRSRAM error means you’ve hit the default 16 KB limit. A single macro disabling Low Power Mode unlocks the full 32 KB — here’s the fix and the battery trade-off you need to know before applying it.