The Blinking Christmas Tree Soldering Challenge

Hack-a-Gecko project by Anders and Marius Introduction to Electronics through a Blinking X-Mas Tree Marius G had an idea before Christmas for the last hacking event in 2012. The mission was to introduce as many as possible to the joy of soldering and electronics here at Energy Micro. When I heard his ideas about a blinking…

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…