TTP223 Capacitive Touch Switches

Taking a look at some TTP223 capacitive touch switches available for dirt cheap from eBay.com: (affiliate link)
http://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&pub=5575582724&toolid=10001&campid=5338675657&customid=TTP223+USA&mpre=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_from%3DR40%26_nkw%3Dtouch%2Bswitch%2B10pcs%26_sacat%3D0%26_sop%3D15

or from eBay.ca (affiliate link)
http://rover.ebay.com/rover/1/706-53473-19255-0/1?ff3=4&pub=5575582724&toolid=10001&campid=5338675657&customid=ttp223&mpre=https%3A%2F%2Fwww.ebay.ca%2Fsch%2Fi.html%3F_from%3DR40%26_nkw%3D10pcs%2Bttp223%26_sacat%3D0%26LH_TitleDesc%3D0%26_sop%3D15

These premade modules have some great advantages over diy solutions and even physical switches, such as pre-debouncing, mode switching and logic low and high toggling. Right off the bat they even have roughly 0.1 inches of range as well....great stuff!

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Видео TTP223 Capacitive Touch Switches канала Simple Electronics