Adafruit 2.9" Grayscale eInk / ePaper Display FeatherWing 4 Level Grayscale Shipping:1 day and CAN connectivity

and CAN connectivity

The dropout voltage of a step-down regulator is the minimum amount by which the input voltage must exceed the regulator’s target output voltage in order to ensure the target output can be achieved

1" breakaway header so you can easily solder to and use this sensor on a breadboard

This CO2 Sensor could be widely used in HVAC

Adafruit 2.9" Grayscale eInk / ePaper Display FeatherWing 4 Level Grayscale Shipping:1 day and CAN connectivityEasy e paper comes to your Feather with this breakout that's designed to make it a breeze to add a monochrome eInk display. Chances are you've seen one of those new fangled 'e readers' like the Kindle or Nook. They have gigantic electronic paper 'static' displays that means the image stays on the display even when power is completely disconnected. The image is also high contrast and very daylight readable. It really does look just like printed paper!