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Sealed Membrane 4*4 button pad with sticker

30% OFF FOR FIRST UNIT
$1.50
SKU: FIT0129
The 4x4 Keypad is a 16-button matrix keypad, easily attachable with adhesive backing, ideal for projects like a mail alarm using a PIR sensor and ESP32.
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    IntroductionDocuments

    Introduction

    The 4x4 Keypad is a general purpose 16 button (4x4) matrix keypad. It comes ready to work, simply peel-off the adhesive backing, stick it to your surface and plug it in. 

     

    This time using a PIR sensor and an ESP32 to send an email every time that movement is detected.

    Hardware components:

    Documents

    Sealed Membrane 4*4 button pad with sticker
    $0.00