@naunan ppl really recommend nRF52840-based devices bc it's less power-hungry than an ESP
I've been trying to get started on MeshCore since there's no LoRa mesh except the things network nearby, and meshcore's routing seems to work much better than Meshtastic's, I got a lilygo t-lora pager bc it's cute and a heltec LoRa v3 bc it's cheap