“The Particle Photon is a microcontroller suitable for wearable project’s considering it’s small form factor and that it supports OTA updates. For those of you who do not know what a Particle Photon is it is a tiny microcontroller with on board WiFi (Cypress WiFi chip) and the STM32 ARM Cortex M3 microcontroller, which is ideal for cool IoT related projects. In this instructable I’m going to show you how to make one such wearable device using the photon, this project will show you how to measure Pulse rate and temperature of a person and display it live time on a web page. The project is small and portable so you can carry it in your pocket or strap it on to your hand.”