One of the recent projects required integrating a 3rd party application. The backend was developed using CodeIgniter v3 running on PHP v5+. I emphasized on standards and chose SOAP as the integration technology. Although PHP v5 has native support for SOAP server and client, I wanted to prevent re-inventing the wheel. That’s when I bumped […]
Get Smarter with IT
Workshop conducted for SAITM staff on getting smarter with IT. Please contact me for the document that was distributed on that day. Useful Apps Please note that my demonstration was with an Android phone, but most of these (or similar) apps are available for Apple iOS and Microsoft Windows Phones. Click the app name to […]
Information Technology for Marketers
Lecture delivered at the University of Kelaniya, on 11th July, 2015 Using information Communication Technology (ICT), is crucial to most businesses, regardless of size. It is important to a company aiming to expand and to improve efficiency. The use of good ICT improves customer services and customer demand. From database development, website design to market […]
Latest web development techniques – PULZ 2015
These are the files for the workshop I conducted for PULZ 2015, organized by Ananda College ICT Society, Sri Lanka’s biggest school based ICT convention, on 24th May 2015.
If Women were Operating Systems
UNIX: She’s very objective, logical, and intelligent. She’s ugly but she looks ok with lots of makeup. She’s very tidy and a keeps a clean house. She only speaks ancient Greek and only listens to you if you use perfect grammar. She’s very emotionally stable and refuses to argue. People consult her on really important […]
වැළැපෙන වැන්දඹුව – ලෝකයේ කෙටිම කෙටි කතාව
1887 දී රචිත යැයි සැලකෙන එම්බ්‍රොස් බියර්ස්ගේ “වැළැපෙන වැන්දඹුව” (The weeping widow) නැමැති අමෙරිකානු කෙටි කතාව කෙනෙකුට අහිමි වුනත්, විවාහය සහ ආදරය පිළිබඳව කෙරුණු ප්‍රබලතම විවරණයක් යැයි ඇතැම් විචාරකයෝ පවසති. කෙටි කතා ලියන, හදාරන සෑම කෙනෙක්ම මෙම කෙටි කතාව නියත වශයෙන්ම කියැවියයුත්තේ ඒ හේතුවෙන්ම නොව මෙය ලෝකයේ කෙටිම කෙටි කතාව වීම නිසාය. කළු හැඳ ගත් […]
දැන් අපිටත් ලාබෙට LED ලයිට් බල්බ්
විදුලි බිලත් වැඩි වේගෙන යන එකේ CFL Bulb දාන්න හැදුවත් හොඳ එකක් රු.500කට එහා! ඉතින් කාලයක් තිස්සේ මම LED Bulb ගැන හොය හොයා හිටියේ. ළඟකදි පිටකොටුවේ පලවෙනි හරස් වීදියේ රස්තියාදු වෙන වෙලාවක දැක්කා නානාප්‍රකාරයේ LED බල්බ් විකුණන්න දාලා, කොටින්ම pavement එකේ තියෙනවා 3w ඒවා රු.350 ඉදන් ! ඒ ගැන වැඩිය විස්වාස නැති හින්දා මම ගියා තොග කඩේකට, […]
Arduino – Line following robot – part 5 (LCD display)
We wanted a LCD to display various settings and generally to impress the crowd 🙂 We ended up using the standard 16×2 LCD display.
Arduino – Line following robot – part 4 (Motor driver)
Part 3: Motor driver board We used 2 gear motors with rubber wheels. 14 cm Zip/cable ties were used (2 per each motor) to fix the motors to the base plate. It has the following features: The motor driver chip L293D (D=dual direction) was a very easy chip to implement. The enable pin is used […]
Arduino – Line following robot – part 3 (Optical sensors)
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 […]