Zaid Pirwani

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

Month: March 2012

  • Selection Menu for Text LCD [AVR]

    Selection Menu for Text LCD [AVR]

    An option-selectable-menu on a text LCD using an AVR is not such a big deal, but having it sure saves a lot of time as such a menu can be quite helpful and useful in many projects. Here’s a video of the simulation: I first made the menu for my AVR Tacho-meter project (AVR Tachometer…

  • Killing an AVR (or ARDUINO)

    Killing an AVR (or ARDUINO)

    While working with AVRs, a few chips have been the unlucky ones who have died at my hands. I have damaged and completely killed(made dead) chips by giving over-volatge, sourcing too much current or simply by breaking away a few legs (including the VCC and GND legs). One-time, the damage was only done to one…

  • Giving Presentation IPAD Style [VIDEO]

  • L297-L298 Stepper Driver – Vero-Board [Gallery]

    L297-L298 Stepper Driver – Vero-Board [Gallery]

    Another day, a cricket match which the whole nation is watching and I just finished making a circuit, on vero-board. L297 and L298 make a perfect pair for a stepper motor driver circuit, like the two were made for each other (actually they really are made as a pair, I think…). As usual, I wanted…