IR Receivers have a decoder built in, so they output pulses corresponding to the IR signal.can we make digital output from the sensor (1 and 0) than just analogue voltages by using opamp or something ?
because i want to just turn on a port off a port using the sensor , just as using a push button
I got a fluctuation in the LED , but, its only 4.5V when IR is on, and when off, its 5VThe circuit below is a very simple photo detector. Most photo transistors (except those that are packaged to shield the die from IR) are sensitive to IR.
Does this one give you what you need?
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