ProtoStax Analog Gauge Scale for Air Quality Index

  This analog gauge scale fits the top plate of the ProtoStax Micro Servo Analog Gauge Add-On, and provides a scale for Air Quality Index, going from 0-50 (green), 51-100 (yellow), 101-150 (orange), 151-200(red), 201-300 (purple), and a little maroon for > 301!  It is made of card-stock paper and has cutouts for a micro-servo and RGB LED, as well as for the mounting holes, so you can attach this to the top plate of your ProtoStax Micro Servo Analog Gauge Add-On and screw them both into your ProtoStax Enclosure.  Now you can display the Air Quality Index reading as a retro analog gauge using a micro-servo (along with ProtoStax Analog Gauge Needle Horn for Micro Servo - 2F 21 Teeth to be used as the needle (or make and use your own!))