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May i enquiry if i need to connect up 15 leds which 10 is 5mm, 5 is 3mm ones. I need to connect them using parallel method to form certain shape. Can i do that or i have to use a different method.
I would like to enquiry which light source is suitable for my project as i am doing smart traffic. i used ca light bulbs and normal tourch bbs but they draw too much current. Anyone can advice me wat suitable bulbs o use?
From my research ULN2003 is use for high voltage /current driver. Im currently trying to connect up a circuit which i be using ULN2003 to control 5 light bulbs.
wat kind of diodes i need to use in the circuit? and is there other component i need to add to the circuit.?
My boad will link to...
Re: smart traffc
im including sensor in my traffic light. but wat the approperiate sensor to use think of ultrasonc sensor. regarding led i haven got the time to check it out at the electronic shop. s wat ur suggestion.?