Hardware SAMR34 Generic Node Use this category for questions and feedback about The Things Industries Generic Node. Pycom Pycom creates Python-programmed LoRaWAN devices such as the LoPy, LoPy4 and FiPy. Heltec CubeCell The Heltec CubeCell category is for discussing anything related to Heltec CubeCell boards and modules. LMIC The LMIC category is for everything related to the LMIC LoRaWAN library. Dragino Dragino offers parts for both LoRaWAN gateways and end devices. This category is related to end devices, including their Arduino shield, when used for a node.