Adafruit 4086 2.13 inch Tri-Color eInk / ePaper Display with SRAM - Red Black White TIP31C NPN Power Transistor - (Pack of 5) Standard RS485 supports up to

Standard RS485 supports up to 1200 meters with proper termination resistors

Each 10mm OD by 8mm ID by 1000mm length pultruded carbon fiber tube weighs approximately 25-30 grams

making it less sensitive to ambient lighting than passive stereo cameras

You can calculate the water flow by counting the pulses from the sensor output

Adafruit 4086 2.13 inch Tri-Color eInk / ePaper Display with SRAM - Red Black White TIP31C NPN Power Transistor - (Pack of 5) Standard RS485 supports up toAdafruit 4086 2. 13 inch Tri Color eInk ePaper Display with SRAM Red Black White The Adafruit 4086 is a 2. 13 inch tri color electronic ink display module capable of rendering images in red, black, and white with exceptional clarity and minimal power consumption. This display is widely used by embedded systems engineers, IoT developers, and makers who require low power visual output for battery operated applications including smart labels,