1,100+ results for usb relay
- 2PCS G2RL-1-12VDC Power Relay 5Pins 12A 250VACOpens in a new window or tabBrand New$5.60+$4.00 shippingfrom Chinas.mall201011120 (1,700) 97.9%
- 2Pcs PANASONIC HL2-HTM-AC115V Power Relay 8PinsOpens in a new window or tabBrand New$11.99+$7.00 shippingfrom Chinas.mall201011120 (1,700) 97.9%
- Multifunction Time Relay with 10 Functions GRT8-M1 AC/DC 12V~240V 16A 1×SPDTOpens in a new window or tabBrand New$20.99Free shippingFree returns54 soldSave up to 9% when you buy moreTop Rated Plussimplybuy14 (564) 100%
- 5/12V USB Relay 1/2/4/8 CH Programmable Computer Control Relay For Smart Home USOpens in a new window or tabBrand New$12.09 to $16.49Free shippingFree returnsSave up to 5% when you buy moreworldchips (190,530) 99.1%
- 5V-30V Micro USB Power Delay Relay Timer Control Trigger Delay Switch ModuleOpens in a new window or tabBrand New$1.43Free shippingfrom ChinaFree returnsdigital-factory (1,384) 99.9%
- USB 5V Relay 2 -Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand New$5.06Was: $5.335% off+$3.40 shippingfrom ChinaFree returns174 solddiymoudle-studio (342) 100%
- 1-10PC 6-30V Micro USB Relay Module Delay Trigger Cycle Timer Circuit LCD SwitchOpens in a new window or tabBrand New$4.59 to $41.39Was: $4.998% off+$3.50 shippingfrom ChinaFree returnsTop Rated Plusworldchips (190,530) 99.1%
- 5V USB Relay 2 Channel Programmable Computer Control For Smart Home NewOpens in a new window or tabBrand New$5.39Was: $5.9910% off+$3.00 shippingfrom ChinaFree returns337 soldTop Rated Plussurvy2014 (289,867) 99.6%
- 5V Automation Delay Timer Controller LED Switch Relay Module Display Micro USBOpens in a new window or tabBrand New$3.61 to $5.12+$3.00 shippingfrom ChinaFree returnsmodulefans (115,463) 99.1%
- USB 5V DC/AC 7-32V Switch Relay Timer Wireless Remote Control Self-LockingOpens in a new window or tabBrand New$5.59Was: $6.088% off+$3.20 shippingfrom ChinaFree returnsalice1101983 (570,088) 99.5%
- 5/12V USB Relay 1/2/4/8 CH Programmable Computer Control Relay For Smart Home USOpens in a new window or tabBrand New$10.99 to $14.99Free shippingFree returnsSave up to 7% when you buy morememolines (11,136) 98.4%
- HID Drive-free Micro USB 1/2/4 Channel 5V Relay Module 5V 10A/250VAC 10A/30VDCOpens in a new window or tabBrand New$2.43 to $5.46Was: $3.368% off+$3.20 shippingfrom Chinaalice1101983 (570,088) 99.5%
- 8 Channel 5V USB Relay Board Module Computer PC Smart Control Switch ControllerOpens in a new window or tabBrand New$12.79Was: $13.465% offFree shippingSave up to 8% when you buy moregotw3527 (3,459) 99.1%
- 1PC G4F-1112TP 12VDC Electromagnetic Relay 4 PinsOpens in a new window or tabBrand New$4.59+$3.99 shippingfrom Chinahtcacc (10,724) 98.7%
- 1pc TYCO RX424005 Power Relay 5VDC 8Pin 8A 250VOpens in a new window or tabBrand New$3.99+$3.99 shippingfrom Chinahtcacc (10,724) 98.7%
- Micro USB5V/DC7-32V 4Ch Wifi Remote Control Relay Switch Module For Tuya APP NewOpens in a new window or tabBrand New$14.06 to $111.28Was: $118.386% off+$3.50 shippingfrom ChinaFree returnsczb6721960 (311,198) 99%
- 5V-30V Micro USB Power Delay relay Timer control module Trigger delay switchOpens in a new window or tabBrand New$7.69Free shippingSave up to 8% when you buy moregotw3527 (3,459) 99.1%
- Micro USB 5V Zigbee Protocol 1/2/4 Channel self-locking Wifi Relay Switch ModuleOpens in a new window or tabBrand New$9.74 to $17.14+$5.07 shippingfrom ChinaFree returnsai_smart (65,999) 99.3%
- HID Drive-free USB 1 Channel 5V Relay Delay Module 10A/250VAC 10A/30VDCOpens in a new window or tabBrand New$2.39Was: $2.608% off+$3.20 shippingfrom Chinaalice1101983 (570,088) 99.5%
- 6-30V Micro USB Relay Module Delay Trigger Cycle Timer Time Circuit LCD SwitchOpens in a new window or tabBrand New$4.31Was: $4.698% off+$3.50 shippingfrom ChinaFree returnsTop Rated Plusworldchips (190,530) 99.1%
- DC 5V USB Smart 2.4G WIFI Wireless Timer Switch Relay Module App Remote ControlOpens in a new window or tabBrand New$8.15+$3.25 shippingfrom ChinaFree returnsfairy-beautys666 (936) 99.5%
- 5V USB Relay 1 Channel Programmable Computer Control For Smart Home MOpens in a new window or tabBrand New$5.18Was: $5.577% off+$3.00 shippingfrom China175 soldmodulefans (115,463) 99.1%
- 12V USB Relay 8 Channel Programmable Computer Control For Smart Home Control NewOpens in a new window or tabBrand New$10.99+$2.95 shippingfrom ChinaFree returnsgotw3527 (3,459) 99.1%
- Micro USB 5V LED Automation Delay Timer Control Switch Relay Module DisplayOpens in a new window or tabBrand New$4.04Was: $4.398% off+$3.20 shippingfrom China107 soldalice1101983 (570,088) 99.5%
- DC5V USB Smart WIFI On/Off Switch Single Relay Wireless Remote Control SwitchOpens in a new window or tabBrand New$2.75 to $5.51Was: $2.998% off+$3.50 shippingfrom ChinaFree returnsTop Rated Plusworldchips (190,530) 99.1%
- Ewelink AC DC 7-32V 2/4 Way Smart Bluetooth WIFI Relay Switch Module USB COpens in a new window or tabBrand New$5.60 to $8.07+$3.81 shippingfrom Chinatechnicalaim (37,383) 99.2%
- 5-30V Micro USB Power Delay Relay Board Timer Control Module Trigger SwitchOpens in a new window or tabBrand New$1.33Was: $1.458% off+$3.50 shippingfrom ChinaFree returnsTop Rated Plusworldchips (190,530) 99.1%
- 5/12V USB Relay 1/2/4/8 CH Programmable Computer Control Relay For Smart Home USOpens in a new window or tabBrand New$10.12 to $13.81Free shippingFree returnsSave up to 5% when you buy morex-modules-x (1,650) 98.8%
- Ontrak Control Systems ADU200 USB Relay I/O InterfaceOpens in a new window or tabParts Only$33.24Was: $34.995% offFree shippingmaverickindustrialsales (18,488) 99.9%
- 1-10PCS DC 12V USB Relay 8 Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand New$11.38 to $94.89+$2.99 shippingfrom Chinabingospace (1,495) 99%
- Micro USB5V/DC7-32V 4Ch Wifi Remote Control Relay Switch Module For Tuya APPOpens in a new window or tabBrand New$14.22 to $112.44Was: $14.975% off+$3.20 shippingfrom Chinadiybox (77,078) 98.8%
- 1/2/4/8 Ch 5V 10V USB Relay Programmable Computer Control Relay For Smart HomeOpens in a new window or tabBrand New$6.68 to $11.45+$43.48 shippingfrom China101+ soldshieldsfans (88,494) 99%
- 1 Channel 5-30V MICRO USB 5V 2/4/8 Channel USB Control Relay Module Delay RelayOpens in a new window or tabBrand New$1.32 to $10.35+$2.83 shippingfrom ChinaFree returns74+ soldmodul_technik (100,016) 99.4%
- USB 5V Relay 2 -Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand New$5.57Was: $5.997% off+$3.00 shippingfrom China209 soldmodulefans (115,463) 99.1%
- 5V/10V USB Relay 1/2/4/8 ChProgrammable Computer Control Relay For Smart Home USOpens in a new window or tabBrand New$6.27 to $11.46Was: $7.248% off+$3.20 shippingfrom Chinaalice1101983 (570,088) 99.5%
- 16 Channel 9-36V USB Controlled SPDT Relay Module Opto-isolated Board SRD-5VDC UOpens in a new window or tabBrand New$32.56Was: $47.1931% offFree shippingSave up to 7% when you buy moresilver1844 (1,032) 97.1%
- 5V USB Relay 2 Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand New$5.06Was: $5.508% off+$3.50 shippingfrom ChinaFree returnsTop Rated Plusworldchips (190,530) 99.1%
- 5V USB Relay 2 Channel Programmable Computer Control For Smart Home ControlOpens in a new window or tabBrand New$5.43+$2.59 shippingfrom ChinaFree returnsTop Rated Pluskaiserburg-d (3,046) 99.7%
- 4CH WiFi Relay Switch Module AC/DC 7-32V USB 5V RF/APP Remote Control Smart HomeOpens in a new window or tabBrand New$14.24Was: $14.995% off+$3.00 shippingfrom ChinaFree returnsopulentelectrical0 (234) 98%
- DC 7V~38V 16-Channel Serial Relay USB Controlled Power Supply Module for LightsOpens in a new window or tabBrand New$28.25Was: $29.745% off+$3.50 shippingfrom Chinaczb6721960 (311,198) 99%
- LED Digital Time Delay Relay Auto Timer Control Switch Module w/ Micro USB 5VOpens in a new window or tabBrand New$2.38Was: $2.536% off+$3.50 shippingfrom ChinaFree returnsTop Rated Plusczb6721960 (311,198) 99%
- Digital LED Trigger Delay Cycle Timer Control Switch Relay Module Micro USB DC5VOpens in a new window or tabBrand New$2.47Was: $2.698% off+$3.50 shippingfrom ChinaFree returns59 soldTop Rated Plusworldchips (190,530) 99.1%
- USB Relay Module Control Switch - LCUS‑1 Type DC 5V with High Performance Con...Opens in a new window or tabBrand New$11.32Free shippingFree returnslianaviv (430) 98.7%
- Numato Lab USB Relay W/USB cable - 16 Channel - 12v Coil VoltageOpens in a new window or tabPre-Owned$49.99Free shippingrecycledtechnologyfw (44) 100%
- Quality 16 Channel 9-36V USB Controlled SPDT Relay Module Opto-isolated BoardOpens in a new window or tabBrand New$33.19Was: $39.9917% offFree shippingSave up to 14% when you buy morexctrading14 (628) 96.4%
- 5V USB Relay 1 Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand New$5.69Was: $5.995% off+$3.40 shippingfrom ChinaFree returnsjy-electronics-store (1,490) 99.4%
- HID Drive-free USB 1 Channel 5V Relay Delay Module 10A/250VAC 10A/30VDCOpens in a new window or tabBrand New$8.89Free shippingSave up to 8% when you buy moregotw3527 (3,459) 99.1%
- Micro USB Power Delay relay Timer control module Trigger delay switch 5V -30V FOpens in a new window or tabBrand New$0.99+$3.00 shippingfrom ChinaFree returnsTop Rated Pluslovesell2013 (76,946) 99.9%
- Micro USB 5V LED Automation Delay Timer Control Switch Relay Modules Display NewOpens in a new window or tabBrand New$2.52+$2.83 shippingfrom ChinaFree returns222 soldmodul_technik (100,016) 99.4%
- 5/12V USB Relay 1/2/4/8CH Programmable Computer Control Relay For Smart Home NewOpens in a new window or tabBrand New$5.97 to $10.32+$3.25 shippingfrom ChinaFree returnsfairy-beautys666 (936) 99.5%
- 5V~30V Micro USB Power Relay Timer Control Module Trigger Delay SwitchOpens in a new window or tabBrand New$1.09+$2.59 shippingfrom ChinaFree returnsTop Rated Pluslmu-audino (2,975) 99.7%
- 1CH AC/DC 7-32V Smart WiFi Relay Switch Module USB 5V Wireless Remote ControlOpens in a new window or tabBrand New$8.79+$3.00 shippingfrom ChinaFree returnsopulentelectrical0 (234) 98%
- WiFi/Zigbee Smart 8CH Remote Switch Control Signal Display Delay Relay ModuleOpens in a new window or tabBrand New$4.23 to $12.68Was: $9.655% off+$3.00 shippingfrom ChinaFree returnsopulentelectrical0 (234) 98%
- USB 5V Relay 2-Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand New$5.42+$2.59 shippingfrom ChinaFree returnsTop Rated Pluslmu-audino (2,975) 99.7%
- MICRO USB 5V 4-Channel Relay Module USB Control Relay Module serial portOpens in a new window or tabBrand New$6.35Was: $6.989% off+$3.00 shippingfrom ChinaFree returnsTop Rated Plussatisfyelectronics (217,579) 99.5%
- USB Replacement Cable for Philips SpeechMike Premium, Touch, III – ACC0034Opens in a new window or tabBrand New$16.49 to $32.95Free shippingFree returnsTop Rated Pluswwwtvpscom (18,331) 100%
- Micro USB 5V Zigbee Protocol 1/2/4Channel Self-Locking Wifi Relay Switch ModuleOpens in a new window or tabBrand New$9.42 to $16.12+$3.81 shippingfrom Chinatechnicalaim (37,383) 99.2%
- USB5V/DC7-48V Single Way Smart WIFI Remote Control Relay Switch Module NEWOpens in a new window or tabBrand New$9.97 to $13.20Was: $10.495% offFree shippingSave up to 8% when you buy moregotw3527 (3,459) 99.1%
- New In Pkg. 8 Channel Relay MICRO USB RELAY MODULE Computer 5V 10A MOpens in a new window or tabBrand New$9.99Free shippingdalep426gg (7,743) 99.7%
- 1-way Time Delay Relay Module 6-30V Micro USB Relay Control Timer Switch LCDOpens in a new window or tabBrand New$6.71Was: $7.298% off+$1.70 shippingfrom Chinazxodki (444) 98.4%
- KMTronic USB 8 Channel Relay Board, RS232 Serial controlledOpens in a new window or tabBrand New$55.00+$17.00 shippingfrom Bulgaria284 soldkmtronic2010 (7,029) 100%
- MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay RelayOpens in a new window or tabBrand New$1.29 to $8.84Was: $1.408% off+$3.50 shippingfrom ChinaFree returnsTop Rated Plusworldchips (190,530) 99.1%
- USB Relay 5V 1 Channel Programmable Computer Control Relay For Smart HomeOpens in a new window or tabBrand New$5.58+$2.59 shippingfrom ChinaFree returnsTop Rated Pluslmu-audino (2,975) 99.7%
- 8 Channel MICRO USB RELAY MODULE Upper Computer 5V 10A ICSE014A NewOpens in a new window or tabBrand New$10.35+$2.83 shippingfrom ChinaFree returns62 soldmodul_technik (100,016) 99.4%
- CH340 LCUS-1 TYPE-C USB 1 Channel Relay Module PCB Intelligent Control SwitchOpens in a new window or tabBrand New$3.53+$3.00 shippingfrom Chinamodulefans (115,463) 99.1%
- Ewelink AC DC 7-32V 2/4 Way Intelligent Bluetooth WIFI Relay Switch Module USB COpens in a new window or tabBrand New$5.01 to $7.35Was: $5.458% off+$3.20 shippingfrom ChinaFree returnsalice1101983 (570,088) 99.5%
- MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay RelayOpens in a new window or tabBrand New$1.37 to $9.38+$3.20 shippingfrom Chinaalice1101983 (570,088) 99.5%
- 8Channel Relay Module DC12V UART Serial Port Switch PLC Motor LED USB ControllerOpens in a new window or tabBrand New$18.77Was: $19.976% offFree shippingfrom Chinacsvtion (1,679) 98.2%
- SainSmart USB Eight Channel Relay Board for Automation - 12 VOpens in a new window or tabBrand New$43.99Free shippingFree returnsLast oneyggr3875 (240) 96.6%
- Time Delay Relay Module Trigger Cycle Timming Circuit Switch LCD USB Board 5VOpens in a new window or tabBrand New$6.10+$2.83 shippingfrom ChinaFree returns71 soldmodul_technik (100,016) 99.4%
- 12V 4-CH Channel USB Relay Programmable Computer Control For Smart HomeOpens in a new window or tabBrand New$7.30Was: $7.948% off+$3.20 shippingfrom Chinaalice1101983 (570,088) 99.5%
- Digital LED Trigger Delay Cycle Timer Control Switch Relay Module Micro USB 5VOpens in a new window or tabBrand New$2.69+$3.50 shippingfrom ChinaFree returnsTop Rated Plusmemolines (11,136) 98.4%
- USB 5V DC7-48V 4CH eWeLink Smart WIFI Switch Universal Wireless Relay ModuleOpens in a new window or tabBrand New$9.19 to $11.95Was: $12.998% off+$3.50 shippingfrom ChinaFree returnsTop Rated Plusworldchips (190,530) 99.1%
- 12V 4 Channel USB Relay Board Auto Module +Cable SRD-12VDC-SL-C for ArduinoOpens in a new window or tabBrand New$12.58+$3.50 shippingfrom ChinaFree returnsTop Rated Plusworldchips (190,530) 99.1%
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