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Continue to ChatTouch Sensor Interfacing with LPC2148 (TTP223B) https://embetronicx.com/tutorials/microcontrollers/lpc2148/touch-sensor-interfacing-with-lpc2148-ttp223b/
Touch Sensor Interfacing with LPC2148 (TTP223B) https://embetronicx.com/tutorials/microcontrollers/lpc2148/touch-sensor-interfacing-with-lpc2148-ttp223b/