Month: January 2015

Why arduino is slow ?

Is Arduino really slow ? Well that is really relative, as like everything else.  I am not talking about Time Dilation and space time fabric bending stuff here.  Alas! I haven’t seen Interstellar yet.  Anyways, this post is really about how arduino performs the basics of its function and how it appears a little slow […]

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Benchmarking Raspi Input/Output

Yo, so this one counts for checking the GPIO response of Raspberry pi. What it means ? How much it takes of a Raspi to give a response on GPIO when trigger action is received on another GPIO. How am  I doing this ? I have this setup of an Arduino connected to Raspi GPIO […]

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Logic "Analysing" Serial Communication

Lets hit it directly, assuming you are already familiar with Serial Communication.  You might have used it already with Arduino or other microcontrollers, almost all of them are equipped with the UART/USART module. Serial Communication  — just in case you need a little brushing up. The pic shown above is taken from WiKi, above link. […]

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IoT-Internet of Things : Hands On Spark Core

And there I was, so much excited about my new Spark module! Alas!! It didn’t go good.  For a warm welcome, there were these problems to bang my head with.  The module I received looked just alright because the shipping was not good, I got its packaging open, and it didn’t work too.  Wohoaa!!! totally […]

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Logic Analyser (Saleae) : Getting Started

Yeah, “Tear in the Eyes” moment, whenever I get a new electronics item to play with.  This time I got my hands on Saleae Logic Analyser (digital one though). This one allows you to probe 8 digital channels simultaneously.  The device is extremely simple to use for first timers.   Just plug a miniUSB cable, […]

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