1Pc TTP223 Capacitive Touch Switch Digital Touch Sensor Module for Arduino Single Bond 2.0 V to 5.5 V Integrated Circuits: Amazon.com: Industrial & Scientific
Inventkart » Digital Sensor TTP223B Module Capacitive Touch Switch
Single Capacitive Touch Switch Module | NightFire Electronics LLC
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TTP223B Digital Touch Sensor Capacitive Touch Switch Module for Arduino – diymore