I want to create a out-of-band device that is able to manage #meshcore repeaters. This way I can update out of reach devices.

Any idea what external watchdog I can use to powerup the PI when needed?

https://sapiolab.nl/posts/meshcore-oob/

📡 Building a Remote Recovery System for Hard-to-Reach MeshCore Repeaters

A low-power, out-of-band system that remotely monitors, manages, and recovers hard-to-reach MeshCore repeaters using a watchdog-controlled Raspberry Pi.

Sapiolab