The 12-pack: the front and back of the touch sensor board, printed GND VCC NC SIGNAL and ACTIVE HIGH on the front and TK43 TP223 TOUCH SENSOR on the back, above a teal hinged case printed TTP223 CAPACITIVE TOUCH SENSOR beside ten more of the boards in two rows.

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12-Pack TTP223 Capacitive Touch Sensor

A capacitive pad that behaves like a button and works through a plastic panel — no hole, no moving part, nothing to wear out. This board is wired active-high and momentary, and neither is selectable.

Boards: 12and a case
Supply: 2.4–5.5V
Wires: 3GND, VCC, SIGNAL
Response: 46ms awake

Start here · TP223 Touch Sensor The reference

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DatasheetPDF · wmsc.lcsc.com Pinout and specsThe pin table, and the questions people ask first

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12-Pack TTP223 Capacitive Touch Sensor

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12-Pack TTP223 Capacitive Touch Sensor

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Email us or reply to your order, and quote tbtouch — that identifies the product. If something is missing from the bag, your order is the record of what shipped.

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Point a phone camera at the code and this page opens there. It is the same address as the one printed on your box, so it is also what to show someone you are passing the board to.