Need high freq infrared transmitter and receiver

๐Ÿ˜i am using 8051 for speedometer project.i need a transmitter and receiver circuit for measure pulses from wheel me(my bike is cast iron wheel and it has 5 spokes.if the wheel rotate one rotation it give 5 pulses)


  • just2rock
    Be a bit more descrioptive on the nature of pulses you need...whether it a speed pulse or surface tension pulse

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