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VästtraPi: A Personal Bus Stop for Västtrafik Buses

Story The following article was originally published in my blog. In Gothenburg we are fortunate enough to have the local public transportation company, Västtrafik, maintaining its live schedule online and providing public API for whoever needs to query it for their own applications. Consequently, there are plenty mobile solutions that provide access to the schedule, …

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$35 NanoPi K1 Plus is a Raspberry Pi-like computer with twice the RAM (and a different CPU)

FriendlyElec’s latest single-board computer looks like a Raspberry Pi 3 and has a lot of the same features, including a 40-pin header, WiFi, and a quad-core ARM Cortex-A53 processor. But while the Raspberry Pi 3 Model B+ uses a 1.4 GHz Broadcom BCM2837 system-on-a-chip, FriendlyElec’s NanoPi K1 Plus has a 1.3 GHz Allwinner H5 ARM processor …

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C# .NET Quadcopter

A flight controller is a special harware component that is typically purchased and installed to fly a UAV.  Many projects use flight controllers – this is not one of them! This is an experiment to fly a quadcopter in .NET and to demonstrate the eloquence of Functional Reactive Programming (FRP) for processing sensory input to control the output in a system. References Windows IoT Extensions for the UWP Reactive Extensions Flight dynamics Controlling rotary-wing aircraft …

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