May 172012
 
Homo sapiens to Homo Ludens

A long, long time ago a bright ape figured out that by climbing down from the trees he could more easily master his life, and that of others……Homo sapiens wanted something else, and better. He started to play. Homo ludens was born! Homo sapiens to Homo Ludens Homo ludens radiactivus – amateur radio Homo ludens [...]

May 162012
 
Make a Custom eZ430 Chronos Watch

When i saw this i remember my High School friend Abhi (Abhinandan), he had built an advanced DIY Wrist Watch with LED Display and Radio, there might have been a temperature mode too. This Gizmo got many students wildly interested in Electronics. He also developed a Learning Kit ‘Chip Chap’ for 555. An Innovative Education [...]

 Posted by at 4:08 pm
May 152012
 
3-1/2 Digit ICL7107 DPM Digital Panel Meter

This is a Digital Panel Meter based on ICL7107. This was the workhorse Digital Readout chip before Low power uC designs were developed. Even now it is the easiest way an analog parameter can be displayed in an instrument. This is the Display Circuit and PCB part of of section Temperature Control. The above circuit [...]

 Posted by at 8:04 pm
May 142012
 
Arduino Interfacing with Visual Basic

I have tried VB2 and VB6. It is an easy environment for Hardware Engineers or Hobbyists to program. It means easy to code unlike C++. Programs made with the new VB may not be compact or fast; but as it runs on a Virtual DotNet Machine and is bug-safe and may not hang/boot too. The [...]

May 112012
 
MakerSpace Hackerspace and TinkerSpace

I am using the word MakerSpace for the same Hackerspace for just one reason, many conservative regions in the world are spooked silly when you say the word hacker. I shall use this word Maker so that youngsters and students are not barred from MakerSpace from these regions. Finally i would like to say that [...]