Hi, i would develope a node.js server with onion but i need to connect the onion board with gprs module(sim 900 by adafruit ) for provide a internet connect.
This is the link for configure serial modem with ppp connection with raspberry pi board:
https://learn.adafruit.com/fona-tethering-to-raspberry-pi-or-beaglebone-black/setup
how to configure openWRT linux for ppp connection with serial modem??
Many thanks