Interfacing a Matrix Keypad to the Raspberry Pi PICO microcontroller

Keypads are very economical devices used to input data into microcontrollers. In this video we will explore how to use them with the Raspberry Pi PICO microcontroller using micropython. Covered in this video:
* What the keypads are
* What applications / uses they have
* How they work
* Wiring example in Fritzing format
* Program example & overview for unique method to use them

SEE ASSOCIATED VIDEOS:
Raspberry Pi PICO Setup and Preparation for Programming    • Raspberry Pi PICO Setup and Preparati...  
PICO Machine Library PIN Class    • PICO Machine Library PIN Class  
Using PICO Interrupts    • Using PICO Interrupts  

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SOURCED ITEMS USED IN SOME OF THE VIDEOS
5 pcs of 4 x 4 Matrix Keypad (digital) https://amzn.to/3NQ0c22
3 pack of breadboards https://amzn.to/3oAkK3H
200 pc assortment of LEDs https://amzn.to/3JfLQVc
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38 value / 1200 pcs resistor assortment https://amzn.to/3Llxq8k