Bluetooth

I’m a software engineer who has been cycling for a few years. I have a Giant Roam 2 2022 hybrid bike and recently moved to a Trek Domane AL3 for biking adventures. My (other) stack! For a while, I have started recording my rides on Strava (a platform for cyclists) to get the…

We’ve all been there: you’re about to switch to using your Bluetooth headphones with your phone, but you can’t because they’re still connected to your MacBook whose lid is shut?! It’s a frustrating inconvenience, especially when you’re on the go and need your devices to work together seamlessly. And that’s…

In a previous article I explained what I like about this board and how I got the Adafruit RTOS Arduino flavor to run in VS Code. Given that I have now plenty of free time, I created the first device that uses the Xiao BLE board for a quicker turnaround…

“krfcommd” is a kernel which is started by executing “kthread_run()” function (https://elixir.bootlin.com/linux/latest/source/net/bluetooth/rfcomm/core.c#L2215). The kernel thread executes the “rfcomm_run()” function (https://elixir.bootlin.com/linux/latest/source/net/bluetooth/rfcomm/core.c#L2109). Thus, we can say that “krfcommd” is responsible for RFCOMM connections (https://stackoverflow.com/questions/57152408/what-is-the-internal-mechanics-of-socket-function).

Build and flash nRF52805 hardware with a pre-loaded VM image that includes the nRF52805 toolchain right out of the box — If you’re here you probably have the nRF52805 or other nRF52 custom hardware and have found that the setup instructions out there are outdated or are just running into issues with versions. This article provides a known good VirtualBox VM Linux (Ubuntu) image with the minimal needed nRF52805 toolchain already…