Shop Two-Channel Relay Module

Sponsored
About our ads
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$79.80
Cole Hersee 24452-BX Relay Module (Fw-Rev 12Vdc)
Amazon.com
32
Free shipping
$79.80
Cole Hersee 24452-BX Relay Module (Fw-Rev 12Vdc)
Amazon.com
32
$117.48
MIRCOM MIX-M500RAP 2 AMP @ 24 VDC (RESISTIVE), Advanced Protocol Intelligent Relay, C/W 2 Form "C", OR 1 AMP, Output Module
Amazon.com
Free shipping
$117.48
MIRCOM MIX-M500RAP 2 AMP @ 24 VDC (RESISTIVE), Advanced Protocol Intelligent Relay, C/W 2 Form "C", OR 1 AMP, Output Module
Amazon.com
Free shipping
$9.99
6PCS DC 12V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 12V
Amazon.com
$9.99
6PCS DC 12V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 12V
Amazon.com
$10.40
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
1
Free shipping
$10.40
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
1
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
4
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
4
$69.34
Gamewell FCI AOM-2RF Velociti Addressable Output Relay Control Module
Amazon.com
5
Free shipping
$69.34
Gamewell FCI AOM-2RF Velociti Addressable Output Relay Control Module
Amazon.com
5
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$18.99
Dieserc 2 Channels Wireless Relay Remote Control Switch 433Mhz RF DC 5V 12V 24V 30V 10A Relay Receiver With 2 Transmitters Keyfob, Big Terminal Easy
Amazon.com
48
$18.99
Dieserc 2 Channels Wireless Relay Remote Control Switch 433Mhz RF DC 5V 12V 24V 30V 10A Relay Receiver With 2 Transmitters Keyfob, Big Terminal Easy
Amazon.com
48
$14.99
ANMBEST 5PCS 12V 2 Channel Relay With Optocoupler High/Low Level Trigger | Module For Arduino,Industrial Use, Stable Performance, Wide Compatibility
Amazon.com
259
$14.99
ANMBEST 5PCS 12V 2 Channel Relay With Optocoupler High/Low Level Trigger | Module For Arduino,Industrial Use, Stable Performance, Wide Compatibility
Amazon.com
259
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board | With Indicator Light, Development Board Accessories Relays, Suport High Low
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board | With Indicator Light, Development Board Accessories Relays, Suport High Low
Amazon.com
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
150
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
150
$6.50
Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$6.50
Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$4.98
JESSINIE 2 Pack 5V 2-Channel Relay Module With Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
Amazon.com
$4.98
JESSINIE 2 Pack 5V 2-Channel Relay Module With Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
Amazon.com
$18.99
Cenrykay 6PCS DC 5V 2-Ch Relay Module Optocoupler Isolated High/Low Trigger | 6PCS DC 5V 2-Ch Optocoupler Isolated Relay Modules, High & Low Level
Amazon.com
18
$18.99
Cenrykay 6PCS DC 5V 2-Ch Relay Module Optocoupler Isolated High/Low Trigger | 6PCS DC 5V 2-Ch Optocoupler Isolated Relay Modules, High & Low Level
Amazon.com
18
$28.95
Seco-Larm Enforcer Relay Module, 2 7A Form C SPDT Relays (SR-1212-C7ALQ)
Amazon.com
4
$28.95
Seco-Larm Enforcer Relay Module, 2 7A Form C SPDT Relays (SR-1212-C7ALQ)
Amazon.com
4
$25.33
Taidda 2-Way Relay Board, DC5V-24V, 2 Relays, Absorption Diode Circuits, Active High, 2 Outputs, Ethernet Controller Module, Cloud Remote Control, &
Amazon.com
$25.33
Taidda 2-Way Relay Board, DC5V-24V, 2 Relays, Absorption Diode Circuits, Active High, 2 Outputs, Ethernet Controller Module, Cloud Remote Control, &
Amazon.com
$11.67
$12.97
JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
Amazon.com
2
10% off
$11.67
$12.97
JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
Amazon.com
2
$60.39
Dakota Digital RLY-2 Dual Relay Pack Amp
Amazon.com
Free shipping
$60.39
Dakota Digital RLY-2 Dual Relay Pack Amp
Amazon.com
Free shipping
$34.99
Aqara Dual Relay Module T2, Requires A Neutral Line And Aqara Zigbee3.0 Hub | Smart Relay Switch Dry Contact Mode For Garage Doors And Boilers,Light
Amazon.com
48
$34.99
Aqara Dual Relay Module T2, Requires A Neutral Line And Aqara Zigbee3.0 Hub | Smart Relay Switch Dry Contact Mode For Garage Doors And Boilers,Light
Amazon.com
48
$89.50
Altronix ACM8CB 8 PTC Class 2 Relay Outputs 8 Channel Controller | Altronix ACM8CB Multi-Output Access Power Controller. Reliable Controller
Amazon.com
Free shipping
$89.50
Altronix ACM8CB 8 PTC Class 2 Relay Outputs 8 Channel Controller | Altronix ACM8CB Multi-Output Access Power Controller. Reliable Controller
Amazon.com
Free shipping
$9.48
$10.72
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
Amazon.com
48
11% off
$9.48
$10.72
Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(12VDC)
Amazon.com
48
$16.84
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
$16.84
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
$16.99
Emylo RF Relay Switch Smart Wireless Remote Control Module 433Mhz Relay Receiver With Two Transmitters DC 12V Two-Channels For Light Garage Door,
Amazon.com
550
$16.99
Emylo RF Relay Switch Smart Wireless Remote Control Module 433Mhz Relay Receiver With Two Transmitters DC 12V Two-Channels For Light Garage Door,
Amazon.com
550
$18.26
Baomain High Power Relay JQX-62F-2Z 110V AC 80A DPDT 2NO 2NC Electronmagnetic Relay, 35mm Rail Mount
Amazon.com
$18.26
Baomain High Power Relay JQX-62F-2Z 110V AC 80A DPDT 2NO 2NC Electronmagnetic Relay, 35mm Rail Mount
Amazon.com
$12.99
ELECTRONICS-SALON DPDT Signal Relay Module, 12Vdc, RY12W-K Relay. Has Assembled.
Amazon.com
111
$12.99
ELECTRONICS-SALON DPDT Signal Relay Module, 12Vdc, RY12W-K Relay. Has Assembled.
Amazon.com
111
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
1
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
1
$11.78
$14.66
Altronix RBST Relay Module - 6VDC, 12VDC Or 24VDC Operation, 30Ma Current Draw, DPDT Contacts Rated @ 1 Amp/120VAC Or 2 Amp/28VDC., Blue
Amazon.com
4
Free shipping
19% off
$11.78
$14.66
Altronix RBST Relay Module - 6VDC, 12VDC Or 24VDC Operation, 30Ma Current Draw, DPDT Contacts Rated @ 1 Amp/120VAC Or 2 Amp/28VDC., Blue
Amazon.com
4
$30.02
Hailege 2Pcs Dc 24 V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Trigge
Everymarket INC
$30.02
Hailege 2Pcs Dc 24 V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Trigge
Everymarket INC
$39.90
FTVOGUE 16 Channel Switch Relay Module, DC12V MODBUS RTU | RS485 PLC Controller, 10A 250VAC Load, 64 Devices Parallel, 255S Delay, 6 Commands, Serial
Amazon.com
2
Free shipping
$39.90
FTVOGUE 16 Channel Switch Relay Module, DC12V MODBUS RTU | RS485 PLC Controller, 10A 250VAC Load, 64 Devices Parallel, 255S Delay, 6 Commands, Serial
Amazon.com
2
$35.04
[2 Pack] Dc 5 V Relay Module 2 Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger
Everymarket INC
$35.04
[2 Pack] Dc 5 V Relay Module 2 Channel Relay Switch With Optocoupler Isolation High/Low Level Trigger
Everymarket INC
$18.64
Interface Relay Module 12V DC 8A Dual CO With LED - 48.52.7.012.0050
Tameson.com
$18.64
Interface Relay Module 12V DC 8A Dual CO With LED - 48.52.7.012.0050
Tameson.com
$12.19
YWBL-WH Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(5VDC) (1)
Amazon.com
48
$12.19
YWBL-WH Relay Way 30A Optocoupler Isolation Relay Module High Power Relay High/Low Level YYG-2(5VDC) (1)
Amazon.com
48
Christa Pike remains alive after being given two doses of pentobarbital in a failed execution attempt in Tennessee, according to her lawyer. Her legal team said Pike lost consciousness but continued to have a heartbeat and was 'audibly snoring' before being taken to hospital for emergency medical care. The 50-year-old was sentenced to death for the 1995 murder of 19-year-old Colleen Slemmer and had faced multiple last-minute legal challenges before the execution went ahead. Tennessee Gov. Bill L
0:12
Christa Pike remains alive after being given two doses of pentobarbital in a failed execution attempt in Tennessee, according to her lawyer. Her legal team said Pike lost consciousness but continued to have a heartbeat and was 'audibly snoring' before being taken to hospital for emergency medical care. The 50-year-old was sentenced to death for the 1995 murder of 19-year-old Colleen Slemmer and had faced multiple last-minute legal challenges before the execution went ahead. Tennessee Gov. Bill L
554.6K views6 days ago
TikTokdailymail
‏#twins baby girl born and first golden hour | Twins
3:04
‏#twins baby girl born and first golden hour | Twins
19.6M views3 weeks ago
TikTokislam.eldeh.babies
#отношения #иторияизжизни #доктор #переписка
1:34
#отношения #иторияизжизни #доктор #переписка
24.3K views1 week ago
TikToktwo.faced.com
Putting My Profoundly Disabled Child in Residential Care — Two Hot Takes
3:48
Putting My Profoundly Disabled Child in Residential Care — Two Hot Takes
2.5M views4 weeks ago
TikToktwohottakes.us
Her First Date With a Serious Guy | The Love Hypothesis
0:59
Her First Date With a Serious Guy | The Love Hypothesis
1.3M views1 week ago
YouTube𝑳𝑨𝑳𝑰
Wochenende 🫶🏻🫵🏻 #trend #twins | Twins
0:13
Wochenende 🫶🏻🫵🏻 #trend #twins | Twins
1.1M views1 week ago
TikToktwinsonice_official
3 women killed in New South Wales in 24 hours
0:43
3 women killed in New South Wales in 24 hours
814.5K views2 weeks ago
TikTokabcnewsaus
0:41
#fyp #ittakestwo #gaming | it takes two
1.9M views2 weeks ago
TikTokjohnlocke386
0:21
Did you enjoy this movie? 'Scary Movie 6' marks the long-awaited return of one of the most recognizable horror-comedy franchises, bringing the Wayans family back into the series for the first time since 'Scary Movie 2'. Marlon Wayans, Shawn Wayans, Anna Faris and Regina Hall reunite more than two decades after the original, with the new movie taking aim at modern horror, including films like 'Sinners', 'Weapons' and 'Get Out', while mixing in plenty of the ridiculous humor that made the franchis
1.1M views2 weeks ago
TikTokbuzzingforhorror
0:16
The unique calls of two frogs #Frog Sounds#Frog Croaking
668.4K views3 weeks ago
YouTubeFrog & Toad World
1:00
Date night recipe ideas for two or solo cooking
811.4K views1 week ago
TikTokdesmondthechef
0:32
Two Time Plays Forsaken #forsaken #azure #twotime #forsakenroblox #roblox #robloxforsaken #dystopian
451.4K views1 month ago
YouTubeSleepyStars!
1:31
And The Seraphim Wept - Azure Two Time LMS (From 'Forsaken') (Epic Rock Version)
664.3K views4 months ago
YouTubeD.Meletis - Topic
0:36
Their Friendship 💗 Four Hands & Two Sonatas 🎵 #Kdrama #SongKang #LeeJunYoung #FourHandsTwoSonatas
514.7K views1 month ago
YouTubeThrillVille
1:40
Telling my husband that I am pregnant with twins with a 10 month old at home 😂 #fyp #twins #pregnant
641.3K views2 weeks ago
TikTokcharitymiller68
0:35
Music Is In The Air ✨ Four Hands, Two Sonatas 🎵 #Kdrama #SongKang #LeeJunYoung #JangGyuRi #FourHands
412.4K views1 month ago
YouTubeThrillVille
0:41
Healing Each Other ✨ Four Hands & Two Sonatas 🎵 #Kdrama #SongKang #LeeJunYoung #FourHandsTwoSonatas
335K views1 month ago
YouTubeThrillVille
8:10
En Colombie, deux paires de vrais jumeaux ont été échangées à la naissance. Résultat : 4 frères qui ont grandi ensemble sans savoir qu'ils n'étaient pas de la même famille. Une histoire aussi incroyable que vraie. 👶 Partie 1 #JumeauxÉchangés #HistoireVraie #Colombie #Documentaire #Insolite
390.8K views2 weeks ago
TikTokbig_media_off
0:32
Being Each Other's Muse✨Four Hands, Two Sonatas🎵#Kdrama #SongKang #LeeJunYoung #JangGyuRi #FourHands
243.3K views1 month ago
YouTubeThrillVille
3:56
Endgame: Two Pawns vs Rook and Promotion Turning the Game
267.4K views2 weeks ago
TikTokmobilechessclubph
See more
Static thumbnail place holder

Shop Two-Channel Relay Module

Sponsored
About our ads
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$79.80
Cole Hersee 24452-BX Relay Module (Fw-Rev 12Vdc)
Amazon.com
32
Free shipping
$79.80
Cole Hersee 24452-BX Relay Module (Fw-Rev 12Vdc)
Amazon.com
32
$117.48
MIRCOM MIX-M500RAP 2 AMP @ 24 VDC (RESISTIVE), Advanced Protocol Intelligent Relay, C/W 2 Form "C", OR 1 AMP, Output Module
Amazon.com
Free shipping
$117.48
MIRCOM MIX-M500RAP 2 AMP @ 24 VDC (RESISTIVE), Advanced Protocol Intelligent Relay, C/W 2 Form "C", OR 1 AMP, Output Module
Amazon.com
Free shipping
$9.99
6PCS DC 12V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 12V
Amazon.com
$9.99
6PCS DC 12V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 12V
Amazon.com
$10.40
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
1
Free shipping
$10.40
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
1
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
4
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
4
$69.34
Gamewell FCI AOM-2RF Velociti Addressable Output Relay Control Module
Amazon.com
5
Free shipping
$69.34
Gamewell FCI AOM-2RF Velociti Addressable Output Relay Control Module
Amazon.com
5
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$18.99
Dieserc 2 Channels Wireless Relay Remote Control Switch 433Mhz RF DC 5V 12V 24V 30V 10A Relay Receiver With 2 Transmitters Keyfob, Big Terminal Easy
Amazon.com
48
$18.99
Dieserc 2 Channels Wireless Relay Remote Control Switch 433Mhz RF DC 5V 12V 24V 30V 10A Relay Receiver With 2 Transmitters Keyfob, Big Terminal Easy
Amazon.com
48
$14.99
ANMBEST 5PCS 12V 2 Channel Relay With Optocoupler High/Low Level Trigger | Module For Arduino,Industrial Use, Stable Performance, Wide Compatibility
Amazon.com
259
$14.99
ANMBEST 5PCS 12V 2 Channel Relay With Optocoupler High/Low Level Trigger | Module For Arduino,Industrial Use, Stable Performance, Wide Compatibility
Amazon.com
259
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board | With Indicator Light, Development Board Accessories Relays, Suport High Low
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board | With Indicator Light, Development Board Accessories Relays, Suport High Low
Amazon.com
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
150
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
150
$6.50
Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$6.50
Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$4.98
JESSINIE 2 Pack 5V 2-Channel Relay Module With Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
Amazon.com
$4.98
JESSINIE 2 Pack 5V 2-Channel Relay Module With Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
Amazon.com
$18.99
Cenrykay 6PCS DC 5V 2-Ch Relay Module Optocoupler Isolated High/Low Trigger | 6PCS DC 5V 2-Ch Optocoupler Isolated Relay Modules, High & Low Level
Amazon.com
18
$18.99
Cenrykay 6PCS DC 5V 2-Ch Relay Module Optocoupler Isolated High/Low Trigger | 6PCS DC 5V 2-Ch Optocoupler Isolated Relay Modules, High & Low Level
Amazon.com
18