NXT Virtual Piano – Fail!

NXT Virtual Piano - Fail!

Well, this was my plan – to create an extremely simple virtual piano with Lego Mindstorms, just by using the ultrasonic sensor in the manner below: To play the correct frequency for the detected key, I first tried a ladder if-then-else within the Mindstorms visual programming environment, and it absolutely tanked! For every if-then-else path, … more

PlotterBot!

PlotterBot!

I wanted to create a robot that can draw something on a paper. Searching for some inspirations, I found on YouTube, a variety of very amazing and cool implementations. Yet, they all drew on a horizontal plane, and were mechanically complex. I wanted something that I could mount on my son’s easel, and draw like … more

Happy NXT Holidays!

Happy NXT Holidays!

Last weekend we walked into Fry’s to find an awesome deal for Lego Mindstorms NXT 2.0. Mindstorms is a robotics system for kids 10+ years, and it comes with 3 servo motors and 4 sensors (1 ultrasonic sensor, 1 color sensor and 2 touch sensors), and a wide variety of Lego technic pieces. I had … more

Let It Snow! v1.0 Update – Thank You!

With your support for Let It Snow! application, we were able to raise USD 750 for Myrtle! This will go a long way in supporting the educational expenses of many underprivileged kids, and also raise HIV/AIDS awareness in rural Chennai. Thank you, thank you! Also, the number of application downloads is 1042 as of today. … more

Let It Snow! v1.0 for Android Phones

Let It Snow! v1.0 for Android Phones

v1.0 Do you live near the Tropics and wish you had snow? or live in the Northern hemisphere and had enough of it? Don’t worry, this application will let you enjoy falling snow within the comforts of your home on your Android powered phone. Let it Snow! is a fun Android application for the Christmas … more