Simplest APRS Digipeater and iGate on MCU!

Description We have built the simplest, power-efficient and 'ready-for-solar' APRS Digipeater and iGate on an MCU (RPi Pico 2 W)! Our existing KISSLink v1 BLE KISS TNC device is capable of running in standalone mode with an alternate firmware! Goal(s): Our design prioritizes low power, reliability, and unattended deployment over flexibility. And yes, we want to do this with cheap, widely available…