Ultra low-cost flow-through photometer for on-line measurements of bacterial density.

Some pretty cool automated functions and easily adjustable parameters. Not bad for a small budget!

Failed but still teaches a lot.

Conceptualised a portable eBook reader which allows the blind to feel the Braille characters with a blind stick which can detect obstacles.

If you ever wanted to build your own smart switch, please read the story below.

Everybody hates it when they want the drink a cup of coffee and the water tank is empty. Here is the solution!