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I had a problem on the sensor, the distance is not more than 3 cm..I use IR LED and photodioda..what should i do to create a sensor with a greater distance?
I've been using a phototransistor, and the result is not different from using the photo diode..
the distance that i want is 6 cm,i want use ADC for ATMEGA32..whether there is an additional circuit for this sensor to reach the distance that I want?
Just to note that the capacitor on the output is not very wise...
If you really want a low pass filter at the output, software it
thanks for the advice, I'll try it
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