Build instructions ------------------ Check out this repository under your sketchbook (normally ~/sketchbook). Check out the BLE library from Nordic under $SKETCHBOOK/libraries: cd ~/sketchbook/libraries git clone https://github.com/NordicSemiconductor/ble-sdk-arduino BLE I've mainly used revision `a5c325c329e134fa26fc6d0e3fe484b1a9488567` to build. cd ~/sketchbook/hardware git clone https://github.com/RedBearLab/Blend I've mainly used revision `09c7d3e702aa5899de80412a707a44dfcd616a89` to build.