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Best PC Board Relays - Buying Guide

Last Updated: 01/21/2020

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Bestselling PC Board Relays on Amazon

  1. HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger
  2. HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Tr...
  3. ELEGOO 4 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC A...
  4. SainSmart 16-Channel Relay Module
  5. CZH-LABS Electronics-Salon 1PCS Dual SPST-NO 10Amp Power Relay Module.
  6. Youngneer 12v Relay Board Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level T...
  7. 10 x DC 12V Coil DPDT 8 Pin 2NO 2NC Mini Power Relays PCB Type HK19F IND009
  8. Senmod 10pcs 5VDC Household Appliance PCB Relay SRD-05VDC-SL-C Power Relay 5Pins for Arduino
  9. Glarks 40Pcs 8 Kinds of 2.54mm Breakaway PCB Board 40 Pin Male and Female Pin Header Connectors Kit ...
  10. SainSmart 8-Channel Relay Module

  #1

HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger

Model: 3-01-0340   |    Mpn: 3-01-0340   |    Ean: 0702082655948   |    PartNumber: 3-01-0340   |   Asin: B00LW15A4W

Module description:
1.The module Operating voltage 5V;
2.Fault-tolerant design, even if the control line is broken, the relay will not operate;
3.The power indicator (green), the relay status indicator (red);
4.Module size: 50mm*26mm*18.5mm (L*W*H).

Interface:
-Input
VCC: Relay power supply +
GND: Relay power supply -
IN: Signal trigger input (High or Low Level Signal, select via jumper)

-Output
NO: Relay normally open.
COM: Relay Common Pin
NC: Relay normally closed.

High or Low Level Trigger Select:
1. Use High Level Trigger
When IN input High Level Signal, the NO connect with COM
When IN input Low Level Signal, the NC connect with COM
2. Use Low Level Trigger
When IN input Low Level Signal, the NO connect with COM
When IN input High Level Signal, the NC connect with COM
3. High or Low Level Trigger Select
Jumper connect with L, Low Level Trigger
Jumper connect with H, High Level Trigger

Package Included
2* 5V 1 Channel Relay Module

Features

  • The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V/10A, DC 30V/10A.
  • Using SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.
  • Fault-tolerant design, even if the control line is broken, the relay will not move.
  • The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient.
  • The Module can be set by jumper high or low trigger.
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.9 x 3.8 x 4.8 inches (2.3 x 9.7 x 12.2 cm)

Amazon Price: $5.79 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $2.99

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  #2

HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 12V

Model: 3-01-0342   |    Mpn: 3-01-0342   |    Ean: 0702082655962   |    PartNumber: 3-01-0342   |   Asin: B00LW15F42

Description :
1. The module uses genuine quality relay , normally open interfaces Maximum load : AC 250V/10A, DC 30V/10A;
2. The power indicator (green) , relay status indicator (red)
3. Module size : 50mm * 26mm * 18.5mm (L * W * H)
4. Has four mounting bolts holes , hole 3.1mm, 44.5mm * 20.5mm pitch

Module Interface:
1. DC +: positive power supply DC 12V
2. DC-: negative power connection
3. IN1: 1 channel signal to trigger the end , you can set a high or low level control relay
4. IN2: 2 -channel signal to trigger the end , you can set a high or low level control relay

Relay Outputs:
1. NO1: After a relay normally open interfaces , relay before floating, shorted pull with COM1
2. COM1: 1 relay common interface
3. NC1: 1 relay normally closed port, COM1 relay shorted before and after the pull- vacant
4. NO2:way normally open relay interface, the relay before floating , pull back and COM2 short
5. COM2: 2 Common Interface relay
6. NC2: 2 -way normally closed relay interface relay short front and COM2 , pull vacant post

Note:
This relay will be triggered by DC 12V, can not trigger with the arduino signal at 5V.
Package Included:
2*DC 12V 2 Channel Relay Module With Isolated Optocoupler High and Low Level Trigger

Features

  • Can set high or low level trigger with jumper, to meet the demand of more trigger applications;
  • With patch optical isolation, strong drive ability and stable performance;
  • The module can be high or low by a jumper setting trigger;
  • Interface design humane, all interfaces can be connected directly via terminal wiring leads , very convenient ;
  • Fault-tolerant design , even if the control line is broken , the relay will not operate ;
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo

Item Dimensions: 0.72 x 1.6 x 2 inches (1.8 x 4.1 x 5.1 cm)   |   Package Dimensions: 0.98 x 2.8 x 3.5 inches (2.5 x 7.1 x 8.9 cm)

Amazon Price: $6.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $4.55

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  #3

ELEGOO 4 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi

Model: EL-SM-006   |    Mpn: EL-SM-006   |    Ean: 0746591610678   |    PartNumber: EL-SM-006   |   Asin: B01HEQF5HU

4-channel relay output modules, relay output contacts 250V 10A.
Input IN1, IN2, IN3, IN4, the signal line LOW effective.
VCC, GND power input, can relay a separate power supply relay power input of JD-VCC.
Uses:
1, support all MCU control.
2, the industrial sector;
3, PLC control;
4, smart home control;

Features

  • This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A.
  • Standard interface can be directly connected with microcontrollers.
  • Working status indicator lights are conducive to the safe use
  • 4-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current.
  • Widely used for all MCU control, industrial sector, PLC control, smart home control.
  • See more on Amazon...

Brand: ELEGOO   |   Manufacturer: ELEGOO

Item Dimensions: 0.7 x 2.36 x 2.76 inches (1.8 x 6.0 x 7.0 cm)   |   Package Dimensions: 0.7 x 3.7 x 5 inches (1.8 x 9.4 x 12.7 cm)

Amazon Price: $7.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #4

SainSmart 16-Channel Relay Module

Model: 101-70-103   |    Mpn: 101-70-103   |    Ean: 0796793392285   |    PartNumber: 101-70-103   |   Asin: B0057OC66U

This is a 12V 16-Channel Relay interface board. It is able to control various appliances, and other equipments with large current. It can be controlled directly by Micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).Features:12V 16-Channel Relay interface board, and each one needs 15-20mA Driver Current;Equipped with high-current relay, AC250V 10A ; DC30V 10A;Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic);Indication LED's for Relay output status.

Features

  • 12V 16-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 12A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP433, TTL logic)
  • Indication LED's for Relay output status
  • See more on Amazon...

Brand: SainSmart   |   Manufacturer: SainStore Inc.

Item Dimensions: 1.19 x 5.7 x 8 inches (3.0 x 14.5 x 20.3 cm)   |   Package Dimensions: 1.26 x 3.94 x 8.27 inches (3.2 x 10.0 x 21.0 cm)

First Available: 2018-05-06

Amazon Price: $14.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $14.99 | Used Price: $13.38

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  #5

Youngneer 12v Relay Board Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger

 Ean: 0792966601291   |    PartNumber: Youngneer-0006   |   Asin: B07WP7C8ZD

Specification:
Material: Circuit board
Control signal: TTL
Rated load: AC125~250V/10A, DC28~30V/10A
Max. switch voltage: 250VAC, 30V
Operating Voltage:12V
Trigger Current: 5mA
Max. Current: 190mA
Size: 50mm * 26mm * 18.5mm (1.9 inch *1.02 inch * 0.72 inch )

Module interface:
1. DC+: positive power supply (VCC)
2. DC-: negative power supply (GND)
3. IN: can be high or low level control relay

Relay outputs:
1. NO: normally open relay interface
2. COM: Common Interface Relays
3. NC: normally closed relay interface

High and low level trigger options:
It is low level trigger when jumper connect to LOW pin
It is high level trigger when jumper connect to HIGH pin

LED Indicator Light:
Power Indicator: Green
Indicator of Relay Status: Red

100% Satisfaction Guarantee:
12-Month Warranty; No satisfied, Free reason for return; Quality problem, please contact us, we will
resend your FREE Replacements or make you FULL Refund.

Features

  • 12V 1 Channel Relay Module - This Relay Board provides a single relay that can be controlled by any12V digital output from your microcontroller.
  • Main Specification - Peak Load of NO Connector: AC125~250V/10A, DC28~30V/10A; Trigger Current: 5mA;The Module Operating Voltage:12V; 4pcs * 3.1 mm Fixed Bolt Hole.
  • Adopted SMD Optocoupler Isolation& jumper Set - The isolation circuit prevent damages to I / O port by relay switch current.The module has a jumper so you can set rather the unit state changes with high or low signal. Has screw terminals for relay (NC,C,NO) and for input; Coil +, coil - and trigger.
  • Wide Application -These 12v relay board works well with Arduino/ ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4 etc.
  • Humanization Design On Interfaces - All interfaces can be directly wired out through the terminals.Fault-tolerant design;fault-tolerant design,even if the control line is broken, the relay will not operate.
  • See more on Amazon...

Brand: Youngneer   |   Manufacturer: Youngneer

Package Dimensions: 1.5 x 3.7 x 4.3 inches (3.8 x 9.4 x 10.9 cm)

Amazon Price: $11.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #6

10 x DC 12V Coil DPDT 8 Pin 2NO 2NC Mini Power Relays PCB Type HK19F IND009

 Ean: 0763250747841   |    PartNumber: HK19F   |   Asin: B072M79XFG

Features

  • 100% Brand New and High Quality
  • 8 pins, DPDT type, PCB mount.
  • Can adjust automatically, protect and transform the electric circuit.
  • Used widely in the remote control, communication, automatic control system, electronic equipments, etc.
  • Quantity:10pcs
  • See more on Amazon...

Brand: JiangYY   |   Manufacturer: JiangYY

Package Dimensions: 1.34 x 1.57 x 4.33 inches (3.4 x 4.0 x 11.0 cm)

Amazon Price: $10.49 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $10.49

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  #7

Senmod 10pcs 5VDC Household Appliance PCB Relay SRD-05VDC-SL-C Power Relay 5Pins for Arduino

 Ean: 0611138965620   |    PartNumber: MC060-10   |   Asin: B07MJJYRQJ

Application: Modules, Development board, Connector, Cables & Adapters, DIY PCB Universal Board, IC Sockets

Description:
Model number: Power Relay
Power source: DC Voltage: 5V
Contact load: Power Relay
The relay plays the role as a protector or a circuit switch. It can protect your electric equipments very well.

Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3 cm.

Package Included:
10pcs T73 SRD-5VDC-SL-C 5V10A 5 pin Electromagnetic Relays

Features

  • Product Name : Power Relay; Model : SRD-05VDC-SL-C
  • Coil Voltage : DC 5V;Load Capacity : 10A 250VAC/125VAC/30VDC/28VDC
  • Coil resistance: 70 ohms
  • Coil Current: 71-90mA
  • Compact and sealed construction.
  • See more on Amazon...

Brand: SenMod   |   Manufacturer: SenMod

Package Dimensions: 0.8 x 3 x 4.5 inches (2.0 x 7.6 x 11.4 cm)

Amazon Price: $7.86 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.86

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  #8

Glarks 40Pcs 8 Kinds of 2.54mm Breakaway PCB Board 40 Pin Male and Female Pin Header Connectors Kit for Arduino Prototype Shield

Model: 4330582970   |    Mpn: GPH-8   |    Ean: 0713741478082   |    PartNumber: GPH-8   |   Asin: B01GY36RJY

100% Brand New High Quality Pin Header Connectors Assortment Kit All items are 40-pin, 2.54mm pitch Package Includes(40Pcs): [1]. 5Pcs x 40 Pin 2.54mm Single Row Male Header for Arduino Prototype Shield. [2]. 5Pcs x (40 x 2)Pin 2.54mm Double Row Male Header for Arduino Prototype Shield. [3]. 5Pcs x 40 Pin 2.54mm Pitch Single Row Right Angle PCB Pin Headers. [4]. 5Pcs x (40 x 2)Pin 2.54mm Pitch Double Row Right Angle PCB Pin Headers. [5]. 5Pcs x 10 Pcs 40Pin 2.54mm Pitch Straight Single Row PCB Female Pin Headers. [6].5Pcs x (40 x 2)Pin 2.54mm Pitch Straight Double Row PCB Female Pin Headers. [7]. 5Pcs x 40P 2.54mm Pitch Male Round Pin Header Connector. [8]. 5Pcs x 40P 2.54mm Pitch Female Round Pin Header Connector. Total: 40pcs

Features

  • 100% Brand New High Quality Pin Header Connectors Assortment Kit
  • Package Quantity: 40pcs (8 kinds,Each 5pcs)
  • All Items Are 40-Pins, 2.54mm Pitch
  • See more on Amazon...

Brand: Glarks   |   Manufacturer: Glarks

Package Dimensions: 1.3 x 3.7 x 5.3 inches (3.3 x 9.4 x 13.5 cm)

Amazon Price: $9.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #9

SainSmart 8-Channel Relay Module

Model: 101-70-102   |    Mpn: 101-70-102   |    Ean: 6952131723119   |    PartNumber: 101-70-102   |   Asin: B0057OC5WK

This is a 5V 8-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Microcontroller(Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

Features

  • 5V 8-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 11A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP432, TTL logic)
  • Indication LED's for Relay output status
  • See more on Amazon...

Brand: SainSmart   |   Manufacturer: SainStore Inc.

Item Dimensions: 1 x 6.4 x 7 inches (2.5 x 16.3 x 17.8 cm)   |   Package Dimensions: 0.98 x 5.12 x 6.93 inches (2.5 x 13.0 x 17.6 cm)

Amazon Price: $11.53 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $11.53 | Used Price: $9.45

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  #10

SainSmart 4-Channel Relay Module

Model: 101-70-101   |    Mpn: 101-70-101   |    Ean: 6952131721313   |    PartNumber: 101-70-101   |   Asin: B0057OC5O8

This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

Features

  • 5V 4-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP431, TTL logic)
  • Indication LED's for Relay output status
  • See more on Amazon...

Brand: SainSmart   |   Manufacturer: SainStore Inc.

Item Dimensions: 1.19 x 3.2 x 4.5 inches (3.0 x 8.1 x 11.4 cm)   |   Package Dimensions: 1 x 3.1 x 4 inches (2.5 x 7.9 x 10.2 cm)

Amazon Price: $9.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $17.99

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  #11

Teenitor 24 PCS Prototype Board,4 Sizes Top Quality Double Side Prototyping Board PCB Universal Printed Circuit Board Proto Board for Soldering Practice Boards Ardunio Boards

 Ean: 0702679552513   |    PartNumber: TNT248   |   Asin: B01IONQQ3Y

Feature: Dimension: 5x7 4x6 3x7 2x8 cm Material: double Side Copper PCB Hole Dia: about 1mm Thickness: 1.6mm Hole pitch: standard 2.54mm Quantity: 24pcs For point to point DIY soldering Package included: 6pcs 5X7 prototype pcb universal board 6pcs 4X6 prototype pcb universal board 6pcs 3X7 prototype pcb universal board 6pcs 2X8 prototype pcb universal board

Features

  • Quality PCB prototype board: high quality glass fiber, Sturdy material. Well etched and well drilled. The holes are centered well and all pads are nicely tinned, when you stack the boards up you can see clear through. Tinned plated finish prevents oxidation, not easy to deform
  • Quantity& sizes: 6 pieces 4X6 cm prototype PCB universal board; 6 pieces 2X8 cm prototype PCB universal board; 6 pieces 5X7 cm prototype PCB universal board; 6 pieces 3X7 cm prototype PCB universal board;totall 24pcs PCB boards
  • Double-Side prototype PCB board are printed with letter-indicators representing each column of holes on one edge, marked for convenience for you to use, both sides are workable (solder pads, tinned holes)
  • Easy to solder: All the circuit boards are double sided and thick. Pre-tinned plated holes on the board make it very handy to solder components and sensors for your projects .also easy to cut with a rotary tool. suitable for less than expert soldering skills
  • Great value for people working with Arduino or other hobbyist electronic projects. widely used among electronic experiments and point-to-point DIY soldering projects
  • See more on Amazon...

Brand: Teenitor   |   Manufacturer: Teenitor

Package Dimensions: 1 x 4.3 x 6.6 inches (2.5 x 10.9 x 16.8 cm)

Amazon Price: $8.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.99

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  #12

SainSmart 2-Channel Relay Module

Model: 101-70-100   |    Mpn: 101-70-100   |    Ean: 0885776099362   |    PartNumber: 101-70-100   |   Asin: B0057OC6D8

This is a 5V 2-Channel Relay interface board. It is able to control various appliances, and other equipment's with large current. It can be controlled directly by Micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic. Features: 5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current; Equipped with high-current relay, AC250V 10A ; DC30V 10A; Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic); Indication LED's for Relay output status Package Content1x 2-Channel 5V Relay Module.

Features

  • 5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current
  • Equipped with high-current relay, AC250V 10A ; DC30V 10A
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
  • Indication LED's for Relay output status
  • See more on Amazon...

Brand: SainSmart   |   Manufacturer: SainStore Inc.

Item Dimensions: 0.1 x 0.69 x 4.79 inches (0.3 x 1.8 x 12.2 cm)   |   Package Dimensions: 0.87 x 2.6 x 4.17 inches (2.2 x 6.6 x 10.6 cm)

First Available: 2012-12-09

Amazon Price: $7.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.99

Warranty: n/a

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  #13

Electronics-Salon 1PCS Dual SPST-NO 10Amp Power Relay Module, AC/DC 12V Control Voltage.

 Ean: 6921407369849   |   Asin: B01B60BQFA

Dual SPST-NO 10Amp Power Relay Module.
Part number: F-1001/12V.
Quantity: a lot of 1 piece.
Control voltage / current: 10 ~ 15Vdc or 10 ~ 14Vac, 30mA(at 12V).
Relay switch contact capacity: 10A 250Vac or 10A 30Vdc.

Input control support AC and DC signal.
Compact plastic case and wires connect for easy mount.
Two separate input and SPST-NO switch circuit, can flexible selection control signal, for separate AC, for separate DC, for source (PNP, common +) , for sink (NPN, common -).

The item no paper instructions, please download the PDF file, and before buying please read the file:
http://www.audiowind.com/new-pdf/f-1001.pdf

Other, we can support customer customized order, if your order >=100 units, you can change product label, logo and switch type (SPST-NO / SPST-NC / SPDT).


Features

  • Dual SPST-NO 10Amp Power Relay Module.
  • Quantity: a lot of 1 piece.
  • Part number: F-1001/12V.
  • Control voltage / current: 10 ~ 15Vdc or 10 ~ 14Vac, 30mA(at 12V).
  • Relay switch contact capacity: 10A 250Vac or 10A 30Vdc.
  • See more on Amazon...

Brand: CZH-LABS   |   Manufacturer: Electronics-Salon

Package Dimensions: 1.3 x 2.09 x 3.5 inches (3.3 x 5.3 x 8.9 cm)

Amazon Price: $12.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #14

HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino

Model: 3-01-0348   |    Mpn: 3-01-0348   |    Ean: 0702082656006   |    PartNumber: 3-01-0348   |   Asin: B00LW2GA5Y

Description :
1. The module uses genuine quality relay, normally open interfaces Maximum load : AC 250V/10A, DC 30V/10A;
2. Using SMD OPTOCOUPLER isolation , driving ability , stable performance ; trigger current 5mA;
3 . The module voltage is 12V;
4 . Each way module can be set high or low triggered by jumper ;
5 . Fault-tolerant design , even if the control line is broken , the relay will not operate ;
6 . The power indicator ( green ) , 8 relay status indicator ( red )
7 . Interface design humane, all interfaces can be connected directly via terminal wiring leads , very convenient
8 . Module size : 141.5mm * 50mm * 18.5mm ( L * W * H )
9 . Has four mounting bolts holes , hole 3.1mm, pitch 136mm * 44.5mm

Module Interface :
1. DC +: 12V positive power supply
2. DC-: negative power connection
3. IN1-IN8: each way based on the settings , can be high or low to control the corresponding relay

Relay outputs :24 line interface, the interface can be directly connected to all leads , user-friendly
1. NO1 - NO8: normally open relay interfaces , relay before the vacant after the pull shorted with COM
2. COM1 - COM8: Relay Common Interface
3. NC1 - NC8: normally closed relay interface relay shorted with COM ago , after the pull- vacant

High and low trigger selection :
1.S1-S8 in order to relay a road -8 way high and low trigger selection ;
2.Com with low short circuit , triggering the corresponding relay is low , while the high end of the short com high trigger

Package Included:
1*12V 8 Channel Relay Module With Optocoupler

Features

  • 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger
  • The module Operating voltage 12V;
  • The module can be high or low by a jumper setting trigger;
  • Fault-tolerant design, even if the control line is broken, the relay will not operate;
  • The power indicator (green), the relay status indicator (red).
  • See more on Amazon...

Brand: HiLetgo   |   Manufacturer: HiLetgo

Package Dimensions: 0.8 x 2.8 x 6.2 inches (2.0 x 7.1 x 15.7 cm)

Amazon Price: $9.39 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $9.39

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  #15

4 pcs DC 5V 1 Channel Relay Module Board Shield High/low Level Trigger with Optocoupler for Arduino

 Ean: 6941595311734   |    PartNumber: WJ-00010   |   Asin: B079FJSYGY

Module Description:
The module uses genuine quality relay, normally open interfaces
Maximum load: AC 250V/10A, DC 30V/10A
SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
The module voltage 5V
The module can be set high or low triggered by jumper
Fault-tolerant design, even if the control line is broken, the relay will not operate
Power indicator (green), relay state indicator (red)
Interface design user-friendly, all interfaces are available through the wiring terminal direct connection leads, very convenient
Module size: 50mm * 26mm * 18.5mm (L * W * H)
4 mounting bolts holes, hole 3.1mm, 44.5mm * 20.5mm spacing
Module interface
DC +: positive power supply (voltage by relay requirements, 5V.9V.12V and 24V selection)
DC-: negative one
IN: can be high or low level control relay
Relay outputs
NO: normally open relay interfaces, relay before hanging, pull back and COM short-circuited
COM: Relay Common Interface
NC: normally closed relay interfaces, relay and COM short-circuited before, after the pull-vacan

Features

  • The module uses genuine quality relay, normally open interfaces
  • Maximum load: AC 250V/10A, DC 30V/10A
  • SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA
  • The module voltage 5V
  • The module can be set high or low triggered by jumper
  • See more on Amazon...

Brand: CHENBO   |   Manufacturer: CHENBO

Package Dimensions: 1.1 x 2.6 x 4.9 inches (2.8 x 6.6 x 12.4 cm)

Amazon Price: $8.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.99

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  #16

ELECTRONICS-SALON DPDT Signal Relay Module, 12Vdc, RY12W-K Relay. Has Assembled.

Model: HM-36545   |    Mpn: MD-D121/12V-1   |    Ean: 6921407335837   |    PartNumber: MD-D121/12V-1   |   Asin: B00LWX9PPA

1 Piece DPDT Signal Relay Module Board.

This item has been assembled, and electrical test passed.
High quality signal relay, FR-4 Fiber glass PCB, darlington transistor driving relay, LED indicator for relay action.
Size: 50 x 34.9 x 16 mm (approximately 2" x 1.37" x 0.64"), PCB thickness: 1.6mm.

Power Supply: 12V DC / 30mA (relay ON).

Input control signal voltage:
0V - 0.5V Low stage (relay is OFF),
0.5V - 2.5V (unknown state).
2.5V - 24V High state (relay is ON).
Input control signal high state current:
2.5V: 0.1mA
5V: 0.35mA
12V: 1.1mA
20V: 1.9mA

Relay:
RY12W-K signal relay.
Contact Material: Gold Overlay Silver-Palladium.

This is a very simple module board, no paper specifications, any questions, feel free to tell me.


Features

  • This item has been assembled, and electrical test passed.
  • Size: 50 x 34.9 x 16 mm (approximately 2 x 1.37 x 0.64), PCB thickness: 1.6mm.
  • Power Supply: 12V DC / 30mA (relay ON).
  • high quality signal relay, FR-4 Fiber glass PCB, darlington transistor driving relay, LED indicator for relay action.
  • Relay Contact Material: Gold Overlay Silver-Palladium.
  • See more on Amazon...

Brand: Electronics-Salon   |   Manufacturer: Electronics-Salon

Package Dimensions: 1.3 x 2.17 x 3.66 inches (3.3 x 5.5 x 9.3 cm)

Amazon Price: $10.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $10.99

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  #17

uxcell 50Pcs 0.95mm 0.5mm SOT23/SOP10 to 2.54mm DIP SMD IC PCB Adapter Socket

Model: a14062100ux0254   |    Mpn: a14062100ux0254   |    Ean: 0711331517791   |    PartNumber: a14062100ux0254   |   Asin: B00O9YZUWG

The PCB board has two sides, one side for pin pitch size 0.95mm pitch and 23Pin, other is 0.5mm pitch 10Pin.

Features

  • Product Name : SOT23/SOP10 Adapter Plate;Pin Pitch : 0.95mm/0.5mm,2.54mm/0.1"
  • Body Size : 13 x 10 x 1.6mm/0.5 x 0.4 x 0.06(L*W*T);Material : FR-4, Electronic Part
  • Main Color : Green
  • Net Weight : 22g
  • Package Content : 50Pcs x SOT23/SOP10 Adapter Plate
  • See more on Amazon...

Brand: uxcell   |   Manufacturer: uxcell

Package Dimensions: 1 x 3 x 5 inches (2.5 x 7.6 x 12.7 cm)

Amazon Price: $5.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $8.57

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  #18

DAOKI 5PCS 5V One 1 Channel Relay Module Board Shield with optocoupler Support High and Low Level Trigger

Model: TS-US-071-CA   |    Mpn: TS-US-071-CA   |    Ean: 0695259095893   |    PartNumber: TS-US-071-CA   |   Asin: B00XAGT052

Module description: 1. the module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A; 2. using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA; 3. the module Operating voltage 12V; 4. the module can be high or low by a jumper setting trigger; 5. fault-tolerant design, even if the control line is broken, the relay will not operate; 6. the power indicator (green), the relay status indicator (red) 7. the interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient 8. module size: 50mm*26mm*18.5mm (L*W*H)

Module interface: 1. DC+: positive power supply (VCC) 2. DC-: negative power supply (GND) 3. IN: can be high or low level control relay

Relay outputs: 1. NO: normally open relay interface 2. COM: Common Interface Relays 3. NC: normally closed relay interface

High and low level trigger options: It is low level trigger when jumper connect to LOW pin It is high level trigger when jumper connect to HIGH pin Package Include: 1x relay module

Features

  • The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V/10A, DC 30V/10A.
  • Using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA.
  • The module Operating voltage 5V.
  • The module can be high or low by a jumper setting trigger.
  • Module size: 50mm*26mm*18.5mm (L*W*H).
  • See more on Amazon...

Brand: DAOKI   |   Manufacturer: DAOKI

Item Dimensions: 1.2 x 2 x 3.9 inches (3.0 x 5.1 x 9.9 cm)   |   Package Dimensions: 0.7 x 3.3 x 3.9 inches (1.8 x 8.4 x 9.9 cm)

Amazon Price: $7.99 | as of 01/21/2020(1:49pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.99

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