TTP223 Capacitive Touch Sensor Module – Arduino
₨400 Original price was: ₨400.₨229Current price is: ₨229.
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Operating voltage 2.0V~5.5V
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Operating current @VDD=3V, no load, SLRFTB=1
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The response time max about 60mS at fast mode, 220mS at low power mode @VDD=3V
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Sensitivity can adjust by the capacitance(0~50pF) outside
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Have two kinds of sampling length by pad option(SLRFTB pin)
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Stable touching detection of human body for replacing traditional direct switch key
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Provides Fast mode and Low Power mode selection by pad option(LPMB pin)
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Provides direct mode、toggle mode by pad option(TOG pin)Open drain mode by bonding option, OPDO pin is open drain output, Q pin is CMOS output
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All output modes can be selected active high or active low by pad option(AHLB pin)
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Have the maximum on time 100sec by pad option(MOTB pin)
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Have external power on reset pin(RST pin)
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After power-on have about 0.5sec stable-time, during the time do not touch the key pad, And the function is disabled
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Auto calibration for life
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Re-calibration period is about 4.0sec, when key has not be touched
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