Introduction In the previous post, Implementing Over-the-Air Device Firmware Update for nRF52 – Part 2, we introduced the OTA DFU process on the nRF52. In this post, we’ll go over testing the process using one of the DFU examples included in the nRF5 SDK, the “BLE Secure DFU Bootloader” example.. The hardware requirements for running the BLE…

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Introduction One of the most important and critical features of wirelessly-connected devices is the capability of over-the-air device firmware updates (aka OTA DFU). You may be asking “why is this becoming an increasingly popular and in-demand feature?” Well, it’s due to many good reasons, some of which are: The increasing demand by end-users for new…

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