How to Interface the RPi PICO with Latching Switches

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Latching switches come in a variety of packages and have uses with microcontrollers. In this video we will learn how to use a latching switch to alter the behavior of our programs. In this video we will cover:
* What latching switches are
* Applications for latching switches
* Review of a data sheet
* Fritzing wiring diagram (schematic)
* Breadboard example
* MicroPython program example

SEE ASSOCIATED VIDEOS:

SOURCED ITEMS USED IN SOME OF THE VIDEOS
  1. Making Stuff with Chris DeHut
  2. Latching Switch
  3. Raspberry Pi Pico
  4. RP Pico
  5. Microcontroller
  6. Electronics
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I enjoy your teaching very much. Thank you.

cookgs
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This series is awesome Chris! I've found it helpful getting into the hardware side of things. One thing I'm confused on is how the button should be wired. I see mixed information, where some guides suggest connecting to a data pin + ground + PULL_UP mode (but not 3.3v), and others - like yours here - suggesting data + 3.3v + PULL_DOWN mode (but not ground). Any chance you can elaborate on the importance/difference here? I'm having a hard time understanding why someone would connect one way versus the other.

In my case, I found both approaches to work but I can't tell what's the significance/difference. Are the both "the same thing" just done slightly differently? Are there any trade offs/considerations?

nillin