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This requires the Pulse sensor to run at 3v !!!!

The signal pin of the pulse sensor should have a

2.2K inline to the ADC Pin

1K to GND from the ADC Pin

The original sketch should be modified or use the sketch from here.....

This replaces the Hardware interupt with a Tcker routine ......

Processing is required for the Full screen heartbeat display

Add an MPU6050 and send a tweet with Biometric Sensor results on Freefall Interupt....

Fall Detected: 1 Heart Rate: 84 BPM IBI: 718 mS Body Temperature: 21C Attitude Angle: 40 via an #ESP8266

— MCU Automation (@MCUAutomation) January 24, 2016
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