digital clock HH MM plus 60 LEDs arround

The idea only add the 60 LEDs arround this seven segmen. check this this layout.

is Indonesia celebrate Arduino day

I don't find any site (yet?) that person or comunity micro controller from Indonesia celebrate this event. here the last map i got from arduino day site . i hope next year some people from Indonesia create small event to celebrate this :-)

Running LED 4017

satu lagi runnning LED menggunakan IC 4017 saya berkunjung ke websitenya mas andy holmes pemilik elektro-bee.blogspot.com menggunakan resistor 1k pada tiap led. yg harusnya bisa disederhanakan menjadi satu biji 1k ohm yg diseri pada common katoda (kaki katoda LED yang bersama sama digabung menuju ground)
Skema dan layout PCB silahkan kunjungi websitenya
http://electro-bee.blogspot.com/2013/03/rangkaian-running-led.html