Make a slim watch with ARM Cortex-M3 EFM32

Hack-a-Gecko project by Anders and Adam  How to make a very slim watch and keep battery life long? In this Hack-a-Gecko project, they tried to kill two birds with one stone.  The Idea We thought it would be cool to utilize the extremely low power EFM32 in combination with an extremely low power display to…

Create a Simple Pulse Oximeter with EFM32 Tiny Gecko

Hack-a-Gecko project by Pål Øyvind Explore the capabilities of the EFM32 Tiny Gecko by creating the beginnings of a DIY pulse oximeter. The theory behind A pulse oximeter is based around a simple principle: Shine red light and an infrared light through a blood-rich part of the body and measure the difference in absorbed light…