5 06, 2018

Developing an nRF52-based remote control for a smart lightbulb (BLE Central)

By | 2018-06-05T15:42:08+00:00 June 5th, 2018|Categories: BLE technology, Tutorials|Tags: , , , , , , |4 Comments

In any BLE application, there are (at least) two devices involved: a BLE Peripheral device and a BLE Central device. Usually, the BLE Central is a smartphone, but that doesn't mean it has to be! What if: you do not want to have to launch an app everytime you want to control a BLE Peripheral? you want to have a dedicated device that acts as the remote control for the Peripheral device? you want to utilize Bluetooth 5 features such as the long-range feature (Coded PHY)? (which currently does not exist in any smartphone) you want to learn more about how a [...]

27 06, 2017

Bluetooth GATT: How to Design Custom Services & Characteristics [MIDI device use case]

By | 2017-09-04T09:10:50+00:00 June 27th, 2017|Categories: BLE technology, GATT|Tags: , , , , , , |16 Comments

I’m sure you’re aware that implementing Bluetooth Low Energy (BLE) for devices that interact with smartphones is one of the best ways to achieve a great user experience for your IoT device. However, designing BLE devices can be a daunting process! You're probably thinking: "Where do I even start??" One thing I wish I had when I started developing for BLE is more blog posts that walk you step-by-step on how to tackle the different phases of the system design and implementation. The Bluetooth GATT (Generic Attribute Profile) is the foundation for the design of any BLE system and [...]

10 05, 2017

The complete nRF52 Mac development tutorial

By | 2018-04-10T20:16:52+00:00 May 10th, 2017|Categories: BLE technology|Tags: , , , , , , , , , |73 Comments

The complete tutorial for nRF52 Mac development and debugging [Update] I published a more up-to-date version of this blog post that covers all three major operating systems (macOS, Windows, and Linux) using a different IDE. Check it out here: The complete cross-platform nRF development tutorial Today's tutorial focuses on setting up the environment for nRF52 Mac development and debugging for Bluetooth Low Energy applications. Specifically, I will be using the new Nordic nRF52840 Preview Development Kit board that supports the enhanced features of Bluetooth 5 (including longer range, bigger advertisements and increased speed). A few notes about the setup/environment as well as the [...]