In the world of social media, “keeping receipts” refers to the practice of storing evidence that may come in handy for a ...

We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train ...

Driving in circles? A good GPS can help get you where you're going quickly and safely so you arrive on time. I’m PCMag’s home theater and AR/VR expert, and your go-to source of information and ...

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Tested with an Arduino Uno R3 (32 bit single precision floats) and an Adafruit Feather SAMD21 M0 (64 bit doubles). With 32 bit floats the input and output lat/lon pairs differ by at most about 1 meter ...