https://devzone.nordicsemi.com/f/nordic-q-a/16274/cannot-create-micro-ecc-libHi, This is very newbie, and I am stuck. I am following to the letter the instructions to create the micro-ecc according to this instructions. The problem, and it can be due to the fact that I do everything with keil, is that I do not find anyen-USTelligent Community 13Thu, 08 Sep 2016 15:39:47 GMThttps://devzone.nordicsemi.com/thread/62219?ContentTypeID=1Thu, 08 Sep 2016 15:39:47 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fc92fae6-31a2-4948-9c4c-8b776f8042e1Antonio<p>Thanks! That worked!. Now my problem is how to compile it on keil 4, since my keil 5 is a limited version. Are you going to publish that option soon?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/62218?ContentTypeID=1Thu, 08 Sep 2016 13:41:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:66bf7d2e-eeba-4b0a-b4c4-ea62daeb42f7Ole Bauck<p>The micro-ecc should be cloned to the <code>nRF5_SDK_12.0.0\external\micro-ecc</code> folder, such that a new micro-ecc folder is alongside with the nrf5... folders.</p> <p>The makefiles are located inside the nrf5... folders, for example the <code>nrf52_keil/armgcc/Makefile</code>.</p> <p>Follow the steps in <a href="https://devzone.nordicsemi.com/tutorials/7/">this</a> tutorial (down to the &quot;nrfjprog - Programming Tool&quot; section) to be able to make using gcc-arm-none-eabi.</p><div style="clear:both;"></div>