Electronic Switches/Keypad

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1. Operating voltage: 2 V- 5.5 V
2. Operating current (at Vcc=3V): 1.5 – 3.0μA
3. Operating current (at Vdd=3V): 3.5 – 7.0μA
4. Output response time: 60 – 220 mS
5. Grove compatible interface
6. Used chipset: TTP223-BA6
7. Power indicator LED

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1. Operating voltage: 3.3V/5V
2. Press resistance: <100 mΩ
3. Release resistance: >100 MΩ
4. LED rated current: 50 mA
5. Grove digital interface
6. High switching speed
7. Low power consumption
8. Long operating life

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1. Input Voltage : 2 Volt – 5.5 Volts DC.
2. The response time max ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V.
3. Sensitivity can adjust by the capacitance(0~50pF).
4. Stable touching detection of the human body for replacing traditional direct switch key.
5. Provides direct mode toggle mode by pad option(TOG pin).
6. After power-on have about 0.5sec stable-time, during the time do not touch the keypad, and the function is disabled.
7. Auto calibration and Re-calibration period is about 4.0 sec when the key has not be touched.

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1. Onboard TTP224 capacitive touch sensor IC 4 keys
2. 4 board-level status indicator
3. Working voltage: 2.4V-5.5V
4. Advanced Pins breakout, so that the output mode and working mode selectable.
5. Low power selection