nRF_IoT_lwIP Port of the lwIP Stack for Nordic Semiconductor IoT SDK. NordicSemiconductor http://developer.nordicsemi.com/nRF51_SDK/pieces/nRF_IoT_lwIP/ http://www.nordicsemi.com/About-us/Contact-us This is a part of Nordic Semiconductor IoT SDK version 0.8.0. Checkout version - 8862a1ac8fdae69535e9e5e19a042d55a53f2d49. With additional modification. LWIP Nordic Semiconductor nRF51 Development Kit board (PCA10028). Nordic Semiconductor nRF51 Development Kit board (PCA10031). Nordic Semiconductor Device from nRF51 Series Nordic Semiconductor Device from nRF51 Series MQTT Protocol implementation for lwIP lwIP stack for nRF51