/nordic/nordic-blog/b/blog/posts/developing-nordic-nrf51822-beacon-kit-firmware-witThis tutorial shows how to build and debug Bluetooth LE beacon firmware for the nRF51 Beacon Kit . We will use Segger J-Link together with a Tag Connect cable to debug the beacon. We will show how to use an Android phone with the Nordic nRF Toolbox Apen-USTelligent Community 13