Displays your pulse rate, blood oxygen level and a moving graph of each heart beat, the photoplethysmogram (PPG).
Project in progress by Jeff Magee
Make an EC/pH/ORP/temperature sensor device to monitor water. Interact with it through a website using Bluetooth Low Energy.
Project tutorial by uFire
The post box of the future. Get notified when you receive mail!
Project tutorial by Andrei Florian
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