Specification Brand : DiGiYes BulletPoint1 : 1 channel 3V high-level relay control module with optocoupler isolation control. Working voltage DC 3V/3.3V, can control 10A 250V AC or 10A 30V DC loads. BulletPoint2 : The signal output is indicated by an indicator light. The signal input port can be connected to the microcontroller IO interface for high-level signal driving. BulletPoint3 : Dual power supply selection design, strong anti-interference ability, with optocoupler isolation protection, high reliability. BulletPoint4 : Board mounted 3V 10A 250VAC/10A 30VDC relay, capable of continuously closing 100000 times, with diode leakage protection and short response time. BulletPoint5 : The external connection adopts rotary crimping terminals, making the wiring more secure. Equipped with fixed mounting holes for easy installation. BulletPoint6 : Package includes---5 x MAX30102 heart rate sensor modules.If you have any questions, feel free to tell us. BulletPoint7 : Size: 25.5* 22.3mm Color : 12V CompatibleDevices : Arduino, Raspberry Pi ConnectivityProtocol : Infrared ConnectivityTechnology : I2C ConnectorType : Quick Connect CurrentRating : 10 amps ExternallyAssignedProductIdentifier : 3494370804882 ExternallyAssignedProductIdentifier1 : 0701715455702 ExternallyAssignedProductIdentifier2 : 701715455702 IncludedComponents : 4 x 1 Channel Relay Driver Control Module InputVoltage : 3 volts_of_direct_current InternationalProtectionRating : IP54 ItemName : DiGiYes 4Pcs 1 Channel DC 3V / 3.3V Relay High Level Driver Module Optocoupler Isolated Driver Control Module ItemPackageDimensions_Height : 0.78 inches ItemPackageDimensions_Length : 3.14 inches ItemPackageDimensions_Width : 3.14 inches ItemTypeKeyword : sensor-blocks Manufacturer : DiGiYes Material : Copper MaximumSwitchingCurrent : 10 amps MaximumSwitchingVoltage : 250 volts MeasurementSystem : Inch ModelNumber : DR-US-301 MountingType : Through Hole Mount NumberOfItems : 4 OperatingTime : 20 seconds OperatingVoltage : 3 volts_of_direct_current OperationMode : Automatic PackageLevel : unit PartNumber : EMD_21I ProductDescription : Parameter Information: Voltage: DC 3V / 3.3V Channel: 1 Maximum Load: 10A 250V AC or 10A 30V DC Action Time: 20s Relay Status Indicator: Yes Power Wiring Port: - VCC: Power Supply + (3.3V) - GND: Power Supply - (Ground) - IN: High level control relay engagement Load Wiring Port: - NO: The normally open interface of the relay, which is suspended before the relay is engaged and short circuited to COM after it is engaged. - COM: Relay common interface. - NC: The normally closed interface of the relay, which is short circuited to COM before the relay is engaged and suspended after being engaged. Place of Application: - Widely used in industrial automation, power systems, electronic equipment and other fields, it plays a role in circuit regulation and control, safety protection, and conversion circuits. Package Include: 4 x 1 Channel Relay Driver Control Module ProductSiteLaunchDate : 2024-03-26T06:50:42.249Z Size : 5PCS SpecificationMet : OEM SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SwitchType : Temperature Switch UnitCount : 2 Voltage : 5 volts Voltage1 : 3.3 volts Voltage2 : 50 volts WarrantyDescription : 1