Becky Stern from Make magazine shows us how to make a cool hair band with LED lights. If you want to get this hair band for yourself then you can make one by watching this amazing video and follow the steps!
“Build a pulse-sensing headband that flashes a heart-shaped LED display to the beating of your heart! Uses a scratchbuilt perfboard Arduino build from Mintduino parts, the Open Heart LED display, Yury and Joel’s pulse sensor, and a rechargeable lithium battery and power board. The circuit is built into a brocade headband with elastic at the backâ€.