The Pulse Oximeter Sensor Wireling from TinyCircuits is an essential tool for any DIY medical project. This tiny, easy-to-use sensor allows you to measure your pulse rate and oxygen saturation levels in real time, making it a great choice for monitoring your health. With its tiny size and simple setup, the Pulse Oximeter Sensor Wireling can be used in a variety of applications, from medical to fitness monitoring. Get the most out of your DIY medical projects with this reliable and