Log in to unlock Raspberry Pi 5 for $60 (was $80) with $100+ in eligible purchases.
CommunityForumWikiBlogLearn
TOP
Close-up of Sealed Membrane 4*4 button pad with red/blue buttons and ribbon cable connection.-DFRobot product sku:FIT0129 image.
Sealed Membrane 4*4 button pad with sticker_1
Sealed Membrane 4*4 button pad with sticker_2
Sealed Membrane 4*4 button pad with sticker_3
Sealed Membrane 4*4 button pad with sticker_4

Sealed Membrane 4*4 button pad with sticker

$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.
Eligible for $60 Raspberry Pi 5 Special Add-On Deal
Purchase this product and earn 15 reward points, which are tied to VIP membership program. Learn More >
    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

    Only 8 Left
    Sealed Membrane 4*4 button pad with sticker
    $0.00