PurpleAir air quality sensors are great but their readings aren’t as accessible as they could be. The MagTag is a battery powered E-Ink display with magnetic feet that sticks to your fridge and talks to purpleair.com over WiFI so it can display your sensor’s current air quality reading. Its a complete package so you don’t need to do any soldering. You just need to install software and edit a text file.
The dashboard shows the current AQI, the name of the sensor, a low battery warning as well as the date stamp of the sensor reading. The E-Ink display will remain readable even after the battery dies so if the time stamp is ever more than 15 minutes old then either the sensor or the MagTag stopped updating.
Eink, E-paper, Think Ink – Collin shares six segments pondering the unusual low-power display technology that somehow still seems a bit sci-fi – http://adafruit.com/thinkink
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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