Category Archives: Uncategorized

Measuring how boiled an egg is – using sound waves – Attempt #1

Spoiler Alert: This didn’t work out due to the fact that whatever contraption I build tends to fall apart or not work properly when placed in boiling water. I’ll continue to work on the problem. Maybe there is some kind … Continue reading

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Smart Trolley

The idea: The smart trolley idea is my final year college project that I have been working on for the past two and a half months. The idea is that in every supermarket all of the products have small RFID … Continue reading

Posted in 3rd Year Final Project, Hardware, Ideas, Uncategorized | Tagged , , , | 3 Comments

Cheap and nasty ‘powered’ usb cable

I was trying to connect a wifi adapter to a raspberry pi today but the pi’s usb ports could not supply enough current to the device. A powered USB hub would be the ideal solution to this problem but I … Continue reading

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Sound triangulation using cheap microphones

Sound triangulation is a method of determining where a sound originated from. Triangulation can give the location of a sound source in 2-d space. A sound wave travels out from its point of origin as a sphere. Trilateration is another … Continue reading

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