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FOLLOW THE LINE

Topic last updated 06 Dec 2012, by Sascha Krüger. 0 replies
Sascha Krüger
06 Dec 2012

Hi guys,

I need a DigitalIN pin. he is controlling with a LDR (Light Dependent Resistor)60K is ON '1' and 140K is off'0'.

With which Voltage and which Resistor must I pursue the Voltage divisor?

have you a better idea to build a line follower?

thank for your help and sorry for my bad english :-)