Zaid Pirwani

an all-round Engineering and Technology Geek, founder EjaadTech and Pop Up Learning – currently, IT Manager at FESF

Month: April 2010

  • AVR – 02: Recognizing that 40 legged thing called AVR

    AVR – 02: Recognizing that 40 legged thing called AVR

    Ok, so here goes, this is what an AVR ATMega32 looks like: I have this one and I will be using this in most of the things I am gonna do and put up here. This particular packaging is called DIP(Dual In-line Package), this one has 40 pins and the numbering starts from the arrow…

  • AVR – 01.5: What and When, extensive coverage

    In my last post, I just breezed over what a Micro-Controller (herein after referred to as uC ) and an AVR really is, so here it goes, my take at explaining them…. (I will try to copy as much from Wikipedia as possible and then mix it with my own understandings) Micro-Controller (uC) A uC…

  • AVR – 01: What, Why, When, Who

    AVR – 01: What, Why, When, Who

    What AVR is a microcontroller (uC) from Atmel, it has 8-bit architecture which means that what you can store in it has to be somewhat compatible to 8 bits (1 byte) of memory. AVRs are a family of uC which are relatively easy to get the hang on and are quite commonly available having the…

  • The Ground Problem

    The Ground Problem

    this rather subtle point help clarifies the concept of a ground: it is just a symbol on your circuit that indicates your reference node. A circuit does not need to have an explicit ground connection to Earth.