{"product_id":"hiletgo-10pcs-ttp223b-capacitive-touch-switch-module-touch-sensor-switch-digital-capacitive-touch-sensor-switch-dc-2-5-5v","title":"HiLetgo 10pcs TTP223B Capacitive Touch Switch Module Touch Sensor Switch Digital Capacitive Touch Sensor Switch DC 2~5.5V","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis is the \"momentary\" variety of the touch sensor - touch and it turns on, release and it turns off.\u003c\/li\u003e\n\u003cli\u003ePositive and negative can be used as a touch surface,can replace the traditional touch button.\u003c\/li\u003e\n\u003cli\u003eFour M2 screws positioning holes for easy installation.Module can be installed in such as surface plastic, glass of non-metallic materials.\u003c\/li\u003e\n\u003cli\u003eIn addition to the thin paper ( non-metallic ) covering the surface of the module , as long as the correct location of the touch , you can make hidden in the walls, desktops and other parts of buttons.\u003c\/li\u003e\n\u003cli\u003eThe module is based on a touch-sensing IC (TTP223B) capacitive touch switch module. In the normal state, the module output low, low power consumption; When a finger touches the corresponding position, the module output high, if not touched for 12 seconds, switch to low-power mode.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProject Scope(for reference): 1.With the optocoupler + bi-directional thyristor can be completed touch fluorescent lamps and other smart home projects 2.With the optocoupler + delay + bidirectional thyristor stairs to complete the touch lamp Features:  Low power consumption  Power supply: 2 ~ 5.5VDC This module can replace the traditional touch button  Four M2 screws positioning holes for easy installation   Specification:  Power supply voltage VCC: 2.0--5.5 V(Typical 3V)  Output high VOH: 0.8VCC  Output low VOL: 0.3VCC Output Pin Sink Current (@ VCC = 3V, VOL = 0.6V): 8mA  Output pin pull-up current (@ VCC = 3V, VOH = 2.4V): 4 mA  Response time (low power mode): 220 mS  Response time (touch mode): 60 mS  Size: 24x24x7.2 mm  Weight: 2g   Package Include:  10* TTP223B Switch Module Digital Touch Sensor\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43338753114321,"sku":"BW-B00HFQEFWQ","price":15.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/belmontwarehouse.com\/products\/hiletgo-10pcs-ttp223b-capacitive-touch-switch-module-touch-sensor-switch-digital-capacitive-touch-sensor-switch-dc-2-5-5v","provider":"Belmont Warehouse","version":"1.0","type":"link"}