Build a Portable EKG / ECG Monitor for less than 70U$!What a great time it is to be a maker! The proliferation and popularity of Open source hardware and software,...
9*9 LED Matrix With Arduino
Turn old laptop screen into new display... would be cool wrapped in wood. This tells you how to do just that.
Create Your Very Own Thermal Imaging Camera With An Arduino Nano (Video) - The Arduino Nano thermal imaging camera has been created by user Kaptein QK over on the EEVblog community forum and uses an IR temperature gun bought from eBay. | Geeky Gadgets
Fluorescent display 16x2
Stop using Ferric Chloride etchant! (A better etching solution.)