Adafruit Feather Based Allergy Tester

Thanks to @mnelsoneorm on discord for pointing out this news story about a prototype portable food allergy tester that is using an Adafruit Feather and the OLED FeatherWing.

UPDATE: Thanks to Richard Blue for providing this closer-to-the-source info:

Center for Systems Biology at Mass General Hospital (lab where work is being done):
https://csb.mgh.harvard.edu/highlights/ieat

Geeky tech details:
https://csb.mgh.harvard.edu/data/publications/17864/28792732.pdf

A better news video:
http://cbsloc.al/2hOp1hi

Looks like samples are placed on a sensor:

and results are shown using an icon:

Data is also transmitted over bluetooth for displaying in an app running on a smart phone.


Adafruit publishes a wide range of writing and video content, including interviews and reporting on the maker market and the wider technology world. Our standards page is intended as a guide to best practices that Adafruit uses, as well as an outline of the ethical standards Adafruit aspires to. While Adafruit is not an independent journalistic institution, Adafruit strives to be a fair, informative, and positive voice within the community – check it out here: adafruit.com/editorialstandards

Join Adafruit on Mastodon

Adafruit is on Mastodon, join in! adafruit.com/mastodon

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.

Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Join over 36,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

CircuitPython – The easiest way to program microcontrollers – CircuitPython.org


Maker Business — “Packaging” chips in the US

Wearables — Enclosures help fight body humidity in costumes

Electronics — Transformers: More than meets the eye!

Python for Microcontrollers — Python on Microcontrollers Newsletter: Silicon Labs introduces CircuitPython support, and more! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi

Adafruit IoT Monthly — Guardian Robot, Weather-wise Umbrella Stand, and more!

Microsoft MakeCode — MakeCode Thank You!

EYE on NPI — Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey

New Products – Adafruit Industries – Makers, hackers, artists, designers and engineers! — #NewProds 7/19/23 Feat. Adafruit Matrix Portal S3 CircuitPython Powered Internet Display!

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !



1 Comment

  1. FYI — typical of local TV news, the CBS LA news show edited out the name of the doctor. Took a little digging to work out who created this. You might want to update the blog entry with some of this

    Center for Systems Biology at Mass General Hospital
    https://csb.mgh.harvard.edu/highlights/ieat

    Really interesting and impressive:
    https://csb.mgh.harvard.edu/data/publications/17864/28792732.pdf

    You might want to change your link to this one from the Boston CBS station that has the name of the scientist at Mass General in the video..
    http://boston.cbslocal.com/video/3758218-food-allergy-detection-device-could-remove-danger-of-dining-out/

    Kudos to Adafruit as always – great blog and wonderful products that enable this kind of innovation.

Sorry, the comment form is closed at this time.