2PCS NEW TTP223 Capacitive Touch Switch Button Self-Lock Module for Arduino - Amazon.com
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
TTP226 8 8CH Channel Digital Capacitive Switch Touch Sensor Module for Arduino Touch Sensor IC 8 Keys DIY Kit Electronic Board: Amazon.com: Industrial & Scientific
Amazon.com: OLatus OL-METAL-TOUCH-SENSOR Metal touch sensor module KY-036 Human Body Touch sensor For Arduino, ARM and other MCU : Industrial & Scientific
Amazon.com: WMYCONGCONG 10 PCS TTP223B Digital Touch Capacitive Sensor Module for Arduino DIY (10PCS) : Industrial & Scientific
Amazon.com: WWZMDiB 6Pcs TTP223B Digital Capacitive Touch Sensor Switch Module DC 2~5.5V for Arduino Raspberry Pi DIY : Electronics