TTP223 Touch Key Module Capacitive Settable Self-Lock/ No-Lock Switch
$1.22(orginal $1.49) from ICStation.com, apply now from http://goo.gl/kDW8D7
Specification:
1.Size:15*11mm
2.Power:2.5-5.5V
Trigger setting mode: (1->Short;0->No Short)
AB=00:No-lock High TTL level ouput;
AB=01:Self-lock High TTL level ouput;
AB=10:No-lock Low TTL level ouput;
AB=11:Self-lock Low TTL level ouput;
Enjoy some pictures of this board
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