HALJIA 4 x 3 Matrix Array 12 Switch Keypad Keyboard Module 12 Key MCU Membrane Switch Keypad Compatible with Arduino Including Ebook
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HALJIA 4 x 3 Matrix Array 12 Switch Keypad Keyboard Module 12 Key MCU Membrane Switch Keypad Compatible with Arduino Including Ebook

$6.99
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The 4x3 -12 Switch matrix keyboard module is made by high quality plastic and metal material which is very durable and reliable. It provides 0 to 9 numbers, as well as standard stars (*) and hash(#) symbols. Keyboard matrix allows you to quickly add controls to your electronic project. Direct replacement, a simple plug and play with no wire splicing. Easy to communicate with any microcontroller. This module is compatibile with microcontrollers such as AVR and PIC which makes it a perfect choice for your Arduino applications and projects. Its small size and compact design make this switch more convenient in module alarm/safety device operation, access control, and device control. Features:12 Key（4x3）matrix keyboard module.Keyboard matrix allows you to quickly add controls to your electronic project.It provides 0 to 9 numbers, as well as standard stars (*) and hash (#) symbol.Easy to communicate with any microcontroller.Easy to install thanks to four mounting holes on each corner. Size: 69.5 × 51× 10 mmWeight：17.5gPacking List:1 x 4x3 12 Switch Keyboard Module

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