LM339D Simple Capacitive Touch Sensor


Posted on Feb 7, 2014

Used for proximity detection and touch-controlled switching. for example, a finger comes close to the sensor, it creates a capacitance to Earth with a value of 30 to 100 pF. Component: Resistor, Capacitor, Diode, LM339D IC


LM339D Simple Capacitive Touch Sensor
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Windshield wiper controller
    Audio noise generator
    Digital-tach-dwell-meter
    Hf Broadband Antenna Preamp Circuit
    Strobe Light Circuit
    Berkeley Bolometer Group - Research
    microcontroller Can I cut off the 5v output of the IOIO to the Android
    Power megaphone circuit
    Switching Regulator Circuit
    The equivalent circuit and a local oscillator



    Top