I am trying to build a coloured lines following robot, and I would like to know what kind of sensors do I use for my robot to differentiate and detect several different coloured lines?

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    What hardware/software are you using (NXT, EV3, etc..)? – Ambo100 Dec 8 '13 at 20:20
  • [ObGrammarJoke] Why does the bot have to be coloured? – gev Jan 8 '14 at 8:44
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    @gev Ba-dum Tish! – Zhaph - Ben Duguid Jan 21 '14 at 10:02

If you are using the EV3 Sensors you should use the EV3 Color Sensor which can detect 8 colors (colorless, black, blue, green, yellow, red, white and brown). If you are using the NXT I would recommend the HiTechnic Color Sensor or HiTechnic Color Sensor V2... I hope I could help.

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