Worth of a multicolor blinker .

[10/11, 17:23] Dr. Harish Ravi: Actually there is a tri color led changing color for just 3 re... It has microcontroller on same chip.. But a real microcontroller device costs 500 re..

[10/11, 17:23] Dr. Harish Ravi: I had made it long back..

[10/11, 17:24] Dr. Harish Ravi: Should have sent that message

[10/11, 17:32] Dr. Harish Ravi: If you do with computer parallel port 40 k re.. so it's priceless..

[10/11, 17:37] Dr. Harish Ravi: Even if analog circuit this thought process makes us rich!