4PCS TTP223 Touch Key Switch Module Touching Button Self-Locking/No-Locking Capacitive Switches Single Channel For DIY
Product Specification:
- Input Voltage : 2 Volt - 5.5 Volts DC; Sensitivity can adjust by the capacitance(0~50pF).
- Re-calibration period is about 4.0 sec, when key has not be touched.
- Have external power on reset pin(RST pin).
- After power-on have about 0.5sec stable-time, during the time do not touch the key pad, and the function is disabled.
- Package Include 4 x Touch Sensor
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₹190.00