Pulse Sensor Amped Shipping:4-6 Days one more hardware serial port

one more hardware serial port is available to the user

Driving a CTRL pin low for at least 1 ms turns off the emitter LEDs

SRAM: 2KB (ATmega328)

84 different combinations to play with

Mechanically compatible with both the Particle/Spark Core and the Particle Photon

Pulse Sensor Amped Shipping:4-6 Days one more hardware serial portPulse Sensor Amped is a greatly improved version of the original Pulse Sensor, a plug and play heart rate sensor for Arduino and Arduino compatibles. It can be used by students, artists, athletes, makers, and game & mobile developers who want to easily incorporate live heart rate data into their projects. Pulse Sensor Amped adds amplification and noise cancellation circuitry to the hardware. It's noticeably faster and easier to get reliable pulse