Pulse Sensor Amped Shipping:4-6 Days Driving a CTRL pin low

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

You may need to get a converter just like this

84 different combinations to play with

hands-on way of adding printed designs to any surface

SRAM: 2KB (ATmega328)

Pulse Sensor Amped Shipping:4-6 Days Driving a CTRL pin lowPulse 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