Shop 4 channel relay module

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$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
Free shipping
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
$78.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)
Automation Direct
$78.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)
Automation Direct
$3.00
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$3.00
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$10.29
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
Free shipping
$10.29
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
$13.99
XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
$13.99
XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 24V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 24V
Digitalzakka
$11.99
Velleman VMA400: 4 Channel Relay Module
Electronic Inventory Online
$11.99
Velleman VMA400: 4 Channel Relay Module
Electronic Inventory Online
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
$2.04
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$2.04
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$20.88
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
Free shipping
$20.88
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
$11.99
Velleman WPM400 4 Channel Relay Module
Electronic Inventory Online
$11.99
Velleman WPM400 4 Channel Relay Module
Electronic Inventory Online
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$73.00
Relay Output Module: 4-pt, 5-30 VDC/5-264 VAC (PN# P1-04TRS)
Automation Direct
$73.00
Relay Output Module: 4-pt, 5-30 VDC/5-264 VAC (PN# P1-04TRS)
Automation Direct
$2.73
5V 4-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V
Aliexpress
$2.73
5V 4-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V
Aliexpress
$18.99
Newgoal 4-Channel Wifi Smart Switch Relay Module, TUYA/Smart Life App For Smart Home Remote Control, Momentary Time Adjustable, Compatible With Alexa/
Amazon.com
$18.99
Newgoal 4-Channel Wifi Smart Switch Relay Module, TUYA/Smart Life App For Smart Home Remote Control, Momentary Time Adjustable, Compatible With Alexa/
Amazon.com
$11.99
Progressive Automations 4 Channel Relay Module
Shop
$11.99
Progressive Automations 4 Channel Relay Module
Shop
$25.78
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$25.78
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$24.50
4 Channel Relay Module, 4 Channel Relay Board 5 V Relay Module With Optocoupler High & Low Trigger Module For 5 V/12 V/2
Everymarket INC
$24.50
4 Channel Relay Module, 4 Channel Relay Board 5 V Relay Module With Optocoupler High & Low Trigger Module For 5 V/12 V/2
Everymarket INC
$260.00
HIMA | F3414 | 4 Channel Relay Module |
Classic Automation
$260.00
HIMA | F3414 | 4 Channel Relay Module |
Classic Automation
$155.13
Siemens Input/Output Module: (4) Relay In, (4) Relay Out Model: 6ED10551FB000BA2
Grainger
$155.13
Siemens Input/Output Module: (4) Relay In, (4) Relay Out Model: 6ED10551FB000BA2
Grainger
$29.60
4 Channel Relay Module Dc 12 V 30 A Relay Module With Optocoupler Isolation
Everymarket INC
$29.60
4 Channel Relay Module Dc 12 V 30 A Relay Module With Optocoupler Isolation
Everymarket INC
How to use 4 channel Relay to control AC load with Arduino code RJT71
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Shop 4 channel relay module

Sponsored
About our ads
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$10.29
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
Free shipping
$10.29
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
$13.99
XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
$13.99
XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 24V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 24V
Digitalzakka
$11.99
Velleman VMA400: 4 Channel Relay Module
Electronic Inventory Online
$11.99
Velleman VMA400: 4 Channel Relay Module
Electronic Inventory Online
$25.78
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$25.78
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 5V
Digitalzakka
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
$2.04
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$2.04
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$20.88
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
Free shipping
$20.88
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
$11.99
Velleman WPM400 4 Channel Relay Module
Electronic Inventory Online
$11.99
Velleman WPM400 4 Channel Relay Module
Electronic Inventory Online
$57.99
Gatepi 4 Channel - Lora Based Relay Board 4 Channel Relay With Lora Module Based On Raspberry Pi 2040 Smart Data Transmission Lora Module,
Amazon.com
Free shipping
$57.99
Gatepi 4 Channel - Lora Based Relay Board 4 Channel Relay With Lora Module Based On Raspberry Pi 2040 Smart Data Transmission Lora Module,
Amazon.com
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics
$10.95
Velleman 4 Channel Relay Module Arduino Compatible By Whadda
Jameco Electronics

Shop 4 channel relay module

Sponsored
About our ads
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$18.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
Free shipping
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
$78.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)
Automation Direct
$78.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)
Automation Direct
$3.00
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$3.00
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$10.29
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
Free shipping
$10.29
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
$13.99
XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
$13.99
XIITIA 2Pcs 5V 4 Channel 2A Solid State Relay Module High Level Trigger Mini Durable DIY Relay With Fuse(5V 4 Channel)
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com