Raspberry Pi Pico based water/liquid level tank monitor using analog voltmeter and neopixel

-Raspberry Pi Pico/Pico W
-XKC-Y25-NPN Waterproof Non Contact Liquid Level Sensors - https://www.amazon.com/XKC-Y25-NPN-Waterproof-Non-Contact-Liquid-Sensor/dp/B074PVF341 (3 qty)
-NEOPIXEL (I used this one: https://www.amazon.com/Adafruit-NeoPixel-Diffused-8mm-Through-Hole/dp/B00KAE40IE/_ (1 qty)
-3.3V Analog VoltMeter (https://www.ebay.com/itm/174080748953)

Follow the official procedure of getting your Pico to run Micropython here -> https://www.raspberrypi.com/documentation/microcontrollers/micropython.html

Download Thonny https://thonny.org/ (used to connect and program the Pico in Micropython)
Connect a micro-usb cable to your Pico and PC
Open Thonny. You should see the Pico automatically connected in the lower right corner as a Serial or COM port
In Thonny, Goto View-->Files. This should open up a view pane. Click on the Pi Pico. In your PC file explorer find the 'neopixel_rp2040.py' file and drag it into the files pane. Then goto File-->Open in Thonny and open 'pico_tank_monitor.py' Then goto Save as..., click on On device, and save the file as "main.py." This will allow the program to run everytime power is applied to the Pico.