Part 3: Optical sensor board After visiting many similar projects and testing loads of designs we settled down to use 3 sensors arranged as a triangle. Our assumptions of deciding the distances were based on: The board is white (formica) The standard 2cm black color electrical tape is used for the lines Testing the prototype […]
Part 2 : Constructing the body We decided the size to be 12cm x 10cm. We needed the space to fix the Arduino board and motor driver, at this point the boys wanted to install a knight rider light system as well – just to add some visual effects. So the space is required to […]
Part 1 : Brainstorm I was looking for an effective way to teach how a CPU work to bunch of AL students. The kids were seriously bored studying the history of computers, NBF form, system flow chart diagrams that still talk about punch card readers, Von Neumann architecture, CPU flags and the various address modes […]
One of the biggest time consuming and expensive aspects for any bank is how much of customer traffic flow in to their branch network, i.e. the number of customers visiting the branches. Customer service is a critical aspect of any bank that can impact it negatively or positively. Whereas, the international banks are known for […]
Pagination requires reading a record set twice: Once to read the whole set so that it can count the total number records Then to read a window of records to display Here’s my way of doing it: Using a public class property to store the total records (public $total_records) Using a private function to build […]
One of the common issues with MVC controller is to use the same controller method to show a form and then process it’s content, once we receive POST.
Yes, that’s exactly the problem I faced today morning. My Asus-P5VDC-MX based PC started throwing me the (infamous) mup.sys error. It goes like this, I click the ‘ON’ button, I see the BIOS messages and the screen is full of vertical lines, dots mostly. Windows XP shows the familiar ‘Do you want to goto SAFE BOOT’ […]
I would like to share some of the rare pictures of ePDA. A brave project started by MediaSolv in 1999. It was ahead of its time, just like many other projects MediaSolv tried hard to commercialize.
I guess my love for robots started when I was in eighth grade or so. It must be the tele-series ‘Battle Star Galactica‘ and continues visits to my school library’s, ‘science – reference only’ section. The various colorful sci-fi dreams kept my head full. I had sketches of weird machines all over my textbooks! The […]
Take few business cards or perhaps advertisements and see how they have shown the phone number. Here are some variants.