Reference: DWM14042301

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Reference: DWM14032902

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Reference: DWM14032102

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Reference: DWM14042401

DWM-SCJ SMA RG178 extension jumper Female cable

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Reference: DWM18032302

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Reference: DWM16121503

DWM-TLB-3.0QB SUB-1GHz / 2.4GHz Whip Antenna

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RFM50-S 433MHz /868MHz /915MHz HopeRF 20dBm Soc Transceiver RF module

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Reference: DWM15101001

Brand: Semtech

RFM50-S 433MHz /868MHz /915MHz HopeRF 20dBm Soc Transceiver RF module

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RFM69HCW 433MHz /868MHz /915MHZ rf module

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Reference: DWM15010504

Brand: Semtech

RFM69CW / RFM69HCW SX1231H 433MHz /868MHz /915MHz HopeRF transceiver rf module

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Heart Beat Sensor Easy Pulse V1.1

Reference DWM16121103

Easy Pulse is a DIY pulse sensor that can be used for detecting the cardio-vascular pulse wave from a fingertip.

Volume discounts

Quantity	Unit discount	You Save
5	$0.90	Up to $4.50
10	$1.40	Up to $14.00
50	$2.00	Up to $100.00

$24.90

$24.40 Save $0.50

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Description
Product Details

Description

Easy Pulse is a DIY pulse sensor that can be used for detecting the cardio-vascular pulse wave from a fingertip. It is designed for hobby and educational applications to illustrate the principle of photoplethysmography (PPG), which is a non-invasive optical technique of retrieving vital information about the cardiovascular system from the skin surface. It uses an infrared light source to illuminate the finger on one side, and a photodetector placed on the other side measures the small variations in the transmitted light intensity. The variations in the photodetector signal are related to changes in blood volume inside the tissue. The signal is filtered and amplified to obtain a nice and clean PPG waveform, which can be thus used to derive the instantaneous heart rate. The Easy Pulse sensor also provides a digital pulse output which is synchronous with the heart beat.

Features

Operates at +5V power supply
Two stage Filtering and Amplification using MCP6004 Op-Amp
Rail-to-rail output voltage swing
Analog PPG and digital pulse output
Potentiometer based gain control

Package list

Easy Pulse PCBA x1
heart rate sensors x1

Wiki & External links

Product Details

Reference DWM16121103

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Reference: DWM16121104

Heart Beat Sensor Easy Pulse Plugin V1.0

Easy Pulse Plugin is an Arduino compatible and breadboard friendly pulse sensor based on the principle of photoplethysmography.

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