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Specification
Brand : Reland Sung
BulletPoint : Reland Sung
BulletPoint1 : Turck - Controls
BulletPoint2 : Turck - Accessories
BulletPoint3 : Wide voltage , support DC4-40V
BulletPoint4 : Adopting high-quality electronic components with craftsmanship to ensure durability
BulletPoint5 : With cumulative+1, clear, and power off data storage functions
Color : Black and Gold Tone
ConnectorType : Screw
CurrentRating : 15 amps
ExternallyAssignedProductIdentifier1 : 0722704680394
ExternallyAssignedProductIdentifier2 : 722704680394
IncludedComponents : 10*Wire Connector Nut Kit
ItemName : KY039 Sensor Finger Heartbeat Measurement Sensor Module for Arduino Finger Heartbeat Module KY-039 5V
ItemPackageDimensions_Height : 5 centimeters
ItemPackageDimensions_Length : 12 centimeters
ItemPackageDimensions_Width : 8 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : sensor-blocks
Manufacturer : Reland Sung
Material : Copper
Material1 : Metal
Material2 : Plastic
MeasurementSystem : Metric
ModelName : FTVOGUEgt5u3cnmv9
ModelNumber : Csf 19-19-1
MountingType : Surface Mount
NumberOfContacts : 6
NumberOfItems : 1
NumberOfPoles : 6
NumberOfPositions : 6
OperatingVoltage : 600 volts
PartNumber : 722704680394
ProductDescription :
Item Description

This project uses bright infrared (IR) LED and a phototransistor to detect the pulse of the finger, a red LED flashes with each pulse.
Pulse monitor works as follows: The LED is the light side of the finger, and phototransistor on the other side of the finger, phototransistor used to obtain the flux emitted, when the blood pressure pulse by the finger when the resistance of the phototransistor will be slight changed.

We chose a very high resistance resistor R1, because most of the light through the finger is absorbed,it is desirable phototransistor sensitive enough.Resistance can be selected by experiment to get the best results.
The most important is to keep the shield stray light into the phototransistor. For home lighting that is particularly important because the lights at home mostly based 50HZ or 60HZ fluctuate, so faint heartbeat will add considerable noise. 

 
Package Including:
1pcs Finger Measuring Heartbeat Sensor Module for Arduino
ProductSiteLaunchDate : 2018-11-18T08:00:00.000Z
Size : 10pcs 6 AWG-80Amp
SpecificationMet : UL
StudSize : #4
SupplierDeclaredDgHzRegulation : unknown
SupplierDeclaredHasProductIdentifierExemption : 1
TerminalType : Screw Terminal
UnitCount : 1
UpperTemperatureRating : 105 degrees_celsius
Voltage : 5 volts