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Best PC Board Relays - Buying Guide

Last Updated: 08/22/2019

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Bestselling PC Board Relays on Amazon

  1. ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC A...
  2. CZH-LABS Electronics-Salon 1PCS Dual SPST-NO 10Amp Power Relay Module.
  3. R REIFENG 6pcs/lot 1 Channel 12V Relay Module Board Shield with Optocoupler Isolation Support High/L...
  4. HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger
  5. SainSmart 16-Channel Relay Module
  6. SainSmart 4-Channel Relay Module
  7. Glarks 40Pcs 8 Kinds of 2.54mm Breakaway PCB Board 40 Pin Male and Female Pin Header Connectors Kit ...
  8. HiLetgo 2pcs DC 12V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Tr...
  9. 50 Pcs Double Sided PCB Board Prototype Kit Soldering 5 Sizes, Universal Printed Circuit Board for D...
  10. 12V DC Relay Module, DROK Multifunctional DC 12 Volt 1 Channel Relay Board Programmable Cycle Relay ...

  #1

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler for Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi

Model: EL-SM-005   |    Mpn: 8 Channel Relay   |    Ean: 6690877073623   |    PartNumber: 8 Channel Relay   |   Asin: B01HCFJC0Y

Product Name : 8-Channel Relay Module;Output Channel : 8
Power Supply : 5V;Load Voltage : AC 250V 10A,DC 30V 10A
Total Size : 137mm x 56mm x 17mm/ 5.4" x 2.2" x 0.7" (L*W*H);
Mounted Hole Size : 3mm/ 0.12"
Mounted Hole Center Distance : 132 x 50mm/5.2" x 2"(L*W);
Material : Electric Part
Weight : 122g; Package Content : 1 x 8-Channel Relay Module

Features

  • 5V 8-Channel Relay interface board, each one needs 70mA Driver Current; Equiped with high-current relay, AC250V 10A ; DC30V 10A
  • Each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground.
  • With power indicator,8-way road has a status indicator. With a relay coil to absorb the diode protection.
  • Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)
  • The 8 channels are optically isolated, safe, reliable, anti-interference. Widely used for all MCU control, industrial sector, PLC control, smart home control
  • See more on Amazon...

Brand: ELEGOO   |   Manufacturer: ELEGOO

Item Dimensions: 0.98 x 3.15 x 6.1 inches (2.5 x 8.0 x 15.5 cm)   |   Package Dimensions: 0.7 x 2.5 x 5.5 inches (1.8 x 6.4 x 14.0 cm)

Amazon Price: $8.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #2

R REIFENG 6pcs/lot 1 Channel 12V Relay Module Board Shield with Optocoupler Isolation Support High/Low Level Trigger for Arduino

 Ean: 6934596031329   |    PartNumber: WJ-031   |   Asin: B07QGSFPTZ

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; "High", "Low" Level Controllable - With a jumper cap, you can choose a low level control or a high level control, allowing the relay module to adapt to more occasions.
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 the relay is suspended before the suction, and it is short-circuited with COM after the suction.
2. COM: Common Interface Relays
3. NC: normally closed relay interface and the relay is shorted to COM before the suction is closed.
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

Features

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

Brand: R REIFENG   |   Manufacturer: R REIFENG

Package Dimensions: 1.3 x 2.4 x 5.7 inches (3.3 x 6.1 x 14.5 cm)

Amazon Price: $10.49 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $10.49

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  #3

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 12V;
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
2PCS*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 2.6 x 3.7 inches (2.3 x 6.6 x 9.4 cm)

Amazon Price: $5.79 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $2.99

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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: 1.3 x 4.6 x 8.1 inches (3.3 x 11.7 x 20.6 cm)

First Available: 2018-05-06

Amazon Price: $10.00 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $14.99

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  #5

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: 1.61 x 2.76 x 5.43 inches (4.1 x 7.0 x 13.8 cm)

Amazon Price: $9.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $17.09

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  #6

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 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $9.99

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  #7

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 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $4.55

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  #8

50 Pcs Double Sided PCB Board Prototype Kit Soldering 5 Sizes, Universal Printed Circuit Board for DIY and Electronic Project

 Ean: 0713869997397   |    PartNumber: DLB01   |   Asin: B079DN31SW

Product Description:
Dimension: 2x8/ 3x7/ 4x6/ 5x7/6x8CM
Thickness: about 1.6mm
Material: Great quality of glass fiber FR4
Color: green basic, silver tone
Package List
- 20pcs 2*8CM prototype PCB universal board

- 12pcs 3*7CM prototype PCB universal board

- 10pcs 4*6CM prototype PCB universal board

- 6pcs 5*7CM prototype PCB universal board
- 2pcs 6*8CM prototype PCB universal board

Features

  • This product contains five different sizes of circuit boards 2*8CM,3*7CM,4*6CM,5*7CM,6*8CM,You also can cut these pc boards into any shape any size, it can meet all your needs.
  • The boards are all basic green body with soldered holes. Good plating around the holes and a nice variety of sizes for the price.
  • Package comes with totally 50 pcs prototype circuit blank breadboards that is enough for various electronic and soldering project.
  • The double side of the original circuit board is very strong and durable, and a tin plating process makes the welding component easier.
  • Friendly and fast customer service, full refund guarantee for two months and one year warranty. If you have any problem of our product, please feel free to contact us. We will provide professional pre-sales and after-sales service.
  • See more on Amazon...

Brand: SINGARE   |   Manufacturer: SINGARE

Package Dimensions: 0.94 x 5.63 x 6.57 inches (2.4 x 14.3 x 16.7 cm)

Amazon Price: $12.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #9

12V DC Relay Module, DROK Multifunctional DC 12 Volt 1 Channel Relay Board Programmable Cycle Relay Module 10A Portable Timer Switch Board Power Switch Circuit 18 Modes

Model: 200088   |    Mpn: 200088   |    PartNumber: 200088   |   Asin: B018XAZRZ6

Parameters:
Input voltage: DC 12V
Control voltage: AC 0~250V / max.10A; DC 0~30V / max. 10A
Size: 2.59x1.57x0.67 inches

Module Functions:
The 18 functions include:
close or disconnect upon a certain set time;
limitless cycle timing mode 1 and 2 (cycle time 0.1 seconds to 270 hours adjustable);
self-lock relay mode;
trigger relay mode;
limited cycle timing mode 1 and 2(0.1seconds to 9999 seconds adjustable.).
Note: Functions 1-8 automatically start at power on;
functions 9-18 require high pulse signal (duration time no less than 20ms) trigger to start.

Timing pull
Timing disconnect
Timing pull then disconnect
Timing disconnect then pull
Limitless cycle timing mode 1 and 2
Limited cycle timing mode 1 and 2
Self-lock relay mode
Trigger relay mode
Trigger timing pull
Trigger timing disconnect
Trigger timing pull then disconnect
Trigger timing disconnect then pull
Limitless cycle timing mode 1 and 2
Limited cycle timing mode 1 and 2

Package includes:
1 x 1 Channel Relay Module

Features

  • DROK dc 12v relay module is programmable by using the four buttons on board to set up to 18 customized functions, including automatically repeating a set time cycle.
  • The 1 channel relay board is with the anti-reverse of power function, hence will not cause damage on the power supply for the wrong connection of polarity.
  • Our cycle timer module uses top-quality high pressure resistance module and uses discrete power supply that the system is more stable and reliable.
  • The timer switch board has 0.1 seconds timing function; timing accuracy up to 0.01 seconds.
  • The 12 volt latching relay is with automatic power-saving function, users can customize the setting.
  • See more on Amazon...

Brand: DROK   |   Manufacturer: DROK

Package Dimensions: 0.8 x 1.6 x 3.8 inches (2.0 x 4.1 x 9.7 cm)

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  #10

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 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $11.53 | Used Price: $9.45

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  #11

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: $9.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $12.99 | Used Price: $11.36

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  #12

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
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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 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $8.99

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  #13

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
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Brand: Teenitor   |   Manufacturer: Teenitor

Package Dimensions: 1 x 4 x 4.2 inches (2.5 x 10.2 x 10.7 cm)

Amazon Price: $8.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $8.99 | Used Price: $6.85

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  #14

SainSmart 2-Channel Relay Module

Model: 101-70-100   |    Mpn: 101-70-100   |    Ean: 6952131721306   |    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 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $8.00

Warranty: n/a

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  #15

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 5V, 9,12 V, 24V are available ;
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

  • The product is registered Trademark by GERI? . Using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA;
  • 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 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $9.39 | Used Price: $6.36

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  #16

1 Channel 3V Relay High Level Driver Module Optocoupler Relay Module for ESP8266 Based Board

 Ean: 6941595311741   |    PartNumber: 43188-345261   |   Asin: B0798CZDR9

Feature
A diode current protection
Response time is less than 20 milliseconds
Relay long life can absorb 100000 times continuously
External connection use spinning crimping terminal, make connection firmer
With fixed installation hole, convenient installation
Description
Size: 70mm X17mm X20mm (LxWxH)
Main chip: EL817, SRD-DC03V-SL-C
Work voltage: DC 3V/3.3V
Control 10A 250VAC, 10A 30VDC load
Package:2 pcs
Note:
When the jumper cap connected, the relay working power supply will also as the signal power supply, when not connected, the relay and signal power supply is isolated.

Features

  • 1 Channel 3V Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board
  • Instructions with the signal output
  • Signal input port can connect microcontroller IO port, high level signal
  • Double power selection design anti-interference ability is strong, photoelectric isolation protection of high reliability
  • Current wide detection range:DC0-25V input
  • See more on Amazon...

Brand: CHENBO   |   Manufacturer: CHENBO

Package Dimensions: 0.83 x 3.43 x 5.71 inches (2.1 x 8.7 x 14.5 cm)

Amazon Price: $10.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $10.99

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  #17

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: $7.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $10.99

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  #18

ELECTRONICS-SALON Panel Mount Momentary-Switch/Pulse-Signal Control Latching SPDT Relay Module,12V

 Ean: 6921407344488   |    PartNumber: MD-D1022A/12V-1   |   Asin: B015MRQNXS

Panel Mount Momentary-Switch / Pulse-Signal Control Latching SPDT Relay Module.
Part Number: MD-D1022A/12V

The item no paper instructions, please download the PDF file, and before buying please read the file:
https://images-na.ssl-images-amazon.com/images/I/A1y3q2+xqYL.pdf

Features:
This item has been assembled, and electrical test passed.
Support on board momentary switch, single external momentary switch, double external momentary switches and pulse signal, four control modes.
LED indication for relay set and reset action.
Hongfa JQC-3FF 10 Amp SPDT power relay.
Power off relay state memory, when the power on again, relay switch will revert to its previous state.
The control program based on MCU PIC12F675, this is a flash microcontroller, if you are familiar PIC firmware, you can redesign the program.
Panel mount version, size: 72.5 x 47.4 x 18mm (L x W x H)

Electrical Parameters:
Operating voltage: 9.5 to 19VDC.
Operating current: 50mA, at 12VDC.
Relay number: JQC-3FF 12VDC.
Relay switch type: SPDT.
Relay switch capacity: 10Amp at 250VAC/24VDC.
Pulse mode signal level: High 3~5V, Low 0V.
Pulse signal must hold time: High level 1mS minimum, Low level 1000mS minimum.
Pulse rising is valid.

Terminal block characteristic:
Wire range 26-12AWG
Mechanical Torque 0.4Nm(3.5Lb-In.)
Strip length 7mm
Dimensions Pitch 5.0mm(.197")
Screws M2.5



Features

  • This item has been assembled, and electrical test passed.
  • Support on board momentary switch, single external momentary switch, double external momentary switches and pulse signal, four control modes.
  • LED indication for relay set and reset action. 10 Amp SPDT power relay.
  • Power off relay state memory, when the power on again, relay switch will revert to its previous state.
  • The control program based on MCU PIC12F675, this is a flash microcontroller, if you are familiar PIC firmware, you can redesign the program. Panel mount version, size: 72.5 x 47.4 x 18mm (L x W x H)
  • See more on Amazon...

Brand: Electronics-Salon   |   Manufacturer: Electronics-Salon

Package Dimensions: 1.3 x 2.2 x 3.74 inches (3.3 x 5.6 x 9.5 cm)

Amazon Price: $9.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $12.99

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  #19

XCSOURCE 5PCS 5V/9V/12V/24V 1 Channel Relay Shield Module Optocoupler for PIC AVR DSP ARM Arduino TE213

Model: TE213   |    Mpn: TE213   |    Ean: 4894479299173   |    PartNumber: TE213   |   Asin: B00ZR3B252

This module conform international safety standard, the isolation groove between control areas and load area;
With optical coupling isolation, triggering more reliable, more stable; the double FR-4 circuit board design;
Have power and relay operation instructions.The LED will be lit when relay on;
Signal input with a high level signal, the common pin relay can directly control all kinds of equipment and load;
One normally open pin and a normally closed pin;
Blue KF301 terminal, more convenient;
Module size: 53x18x18.5mm;

Module interface:
Input part:
VCC:connect to power positive (according to the relay voltage range)
GND: connect to power negative
IN: relay module trigger pin (high level trigger)
Output part:
Normally Opened (NO) : normally open pin of relay. NO pin is not connect to COM pin when relay off.NO pin is connect to COM pin when relay on;
Common pin (COM) : Common pin of the relay;
Normally closed (NC) : normally close pin of relay.NC pin is connect to COM pin when relay off.NC pin is not connect to COM pin when relay on;


Specification:

Voltage version:5V
The static current:4Ma
Working current:65mA
Trigger voltage:2-5V
Trigger current:2mA

Package included:
5PCS 5V one 1 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino

Features

  • This module conform international safety standard, the isolation groove between control areas and load area;
  • With optical coupling isolation, triggering more reliable, more stable; the double FR-4 circuit board design;
  • Have power and relay operation instructions.The LED will be lit when relay on;
  • Signal input with a high level signal, the common pin relay can directly control all kinds of equipment and load;
  • module size: 53x18x18.5mm;
  • See more on Amazon...

Brand: XCSOURCE   |   Manufacturer: XCSOURCE

Package Dimensions: 1.5 x 5.9 x 6.8 inches (3.8 x 15.0 x 17.3 cm)

Amazon Price: $6.99 | as of 08/22/2019(9:07am pst)
Availibility: Usually ships in 24 hours
List Price: $6.99

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