1,400+ results for usb relay
- USB 5V Relay 2 -Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand NewC $6.91Top Rated SellerTop Rated SellerWas: C $7.28 5% offdiymoudle-studio (338) 100%+C $2.79 shippingfrom ChinaFree returns174 sold
- 8 Channel 5V USB Relay Board Module Computer PC Smart Control Switch ControllerOpens in a new window or tabBrand NewC $16.21Top Rated SellerTop Rated Sellerworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- MICRO USB 5V 4-Channel Relay Module USB Control Relay Module serial portOpens in a new window or tabBrand NewC $6.52Top Rated SellerTop Rated SellerWas: C $7.09 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 1-10PC 6-30V Micro USB Relay Module Delay Trigger Cycle Timer Circuit LCD SwitchOpens in a new window or tabBrand NewC $6.27 to C $56.56Top Rated SellerTop Rated SellerWas: C $13.65 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 5V USB Relay 2 Channel Programmable Computer Control For Smart Home NewOpens in a new window or tabBrand NewC $7.37Top Rated SellerTop Rated SellerWas: C $8.19 10% offsurvy2014 (289,806) 99.6%+C $1.71 shippingfrom ChinaFree returns337 sold
- 5V-30V Micro USB Power Delay Relay Timer Control Trigger Delay Switch ModuleOpens in a new window or tabBrand NewC $1.94Top Rated SellerTop Rated Sellerdigital-factory (1,365) 99.9%Free shippingfrom ChinaFree returns
- DC5V USB Smart WIFI On/Off Switch Single Relay Wireless Remote Control SwitchOpens in a new window or tabBrand NewC $3.76 to C $7.53Top Rated SellerTop Rated SellerWas: C $4.09 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 5V Automation Delay Timer Controller LED Switch Relay Module Display Micro USBOpens in a new window or tabBrand NewC $4.93 to C $7.00Top Rated SellerTop Rated Sellermodulefans (115,412) 99.1%+C $3.35 shippingfrom ChinaFree returns
- 8-channel 12VDC USB Relay Board Module Controller For Automation Robotics TTUOpens in a new window or tabBrand NewC $23.69Top Rated SellerTop Rated Sellertiantianupup (84,572) 98.6%+C $0.53 shippingfrom China
- 8 Channel 12V USB Relay Board Module Computer PC Smart Control Switch ControllerOpens in a new window or tabBrand NewC $23.72ercxswr347 (49,824) 98.3%+C $6.31 shippingfrom AustraliaAlmost gone65 sold
- MICRO USB 5V 4-Channel Relay Module USB Control Relay Module serial portOpens in a new window or tabBrand NewC $8.68Top Rated SellerTop Rated SellerWas: C $9.54 9% offsatisfyelectronics (217,511) 99.5%+C $1.35 shippingfrom ChinaFree returns
- 6-30V Micro USB Relay Module Delay Trigger Cycle Timer Time Circuit LCD SwitchOpens in a new window or tabBrand NewC $5.89Top Rated SellerTop Rated SellerWas: C $6.41 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- Micro USB Power Delay relay Timer control module Trigger delay switch 5V -30VOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Sellersatisfyelectronics (217,511) 99.5%+C $1.35 shippingfrom ChinaFree returns99 sold
- 1-10PCS DC 12V USB Relay 8 Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand NewC $15.55 to C $129.68Top Rated SellerTop Rated Sellerbingospace (1,477) 99.2%+C $4.58 shippingfrom China
- Micro USB5V/DC7-32V 4Ch Wifi Remote Control Relay Switch Module For Tuya APP NewOpens in a new window or tabBrand NewC $19.42 to C $153.69Top Rated SellerTop Rated SellerWas: C $161.78 5% offczb6721960 (311,160) 99%+C $4.09 shippingfrom ChinaFree returns
- Digital LED Trigger Delay Cycle Timer Control Switch Relay Module Micro USB DC5VOpens in a new window or tabBrand NewC $3.38Top Rated SellerTop Rated SellerWas: C $3.68 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns57 sold
- Micro USB 5V LED Automation Delay Timer Control Switch Relay Module DisplayOpens in a new window or tabBrand NewC $5.52Top Rated SellerTop Rated SellerWas: C $6.00 8% offalice1101983 (569,959) 99.5%+C $3.35 shippingfrom China107 sold
- LED Digital Time Delay Relay Auto Timer Control Switch Module w/ Micro USB 5VOpens in a new window or tabBrand NewC $3.28Top Rated SellerTop Rated SellerWas: C $3.46 5% offczb6721960 (311,160) 99%+C $4.09 shippingfrom ChinaFree returns
- 12V USB Relay 8 Channel Programmable Computer Control For Smart Home Control NewOpens in a new window or tabBrand NewC $14.27Top Rated SellerTop Rated SellerWas: C $15.02 5% offgotw3527 (3,429) 99.2%+C $1.71 shippingfrom ChinaFree returns
- MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay RelayOpens in a new window or tabBrand NewC $1.87 to C $12.82Top Rated SellerTop Rated Selleralice1101983 (569,959) 99.5%+C $3.35 shippingfrom China
- 12V USB Relay 8 Channel Programmable Computer Control For Smart Home ControlOpens in a new window or tabBrand NewC $16.19Top Rated SellerTop Rated SellerWas: C $17.60 8% offalice1101983 (569,959) 99.5%+C $3.42 shippingfrom China
- Micro USB Power Delay relay Timer control module Trigger delay switch 5V -30V FOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Sellerlovesell2013 (76,925) 99.9%+C $1.35 shippingfrom ChinaFree returns
- Digital LED Trigger Delay Cycle Timer Control Switch Relay Module Micro USB 5VOpens in a new window or tabBrand NewC $3.68Top Rated SellerTop Rated Sellermemolines (11,114) 98.4%+C $2.04 shippingfrom ChinaFree returns
- DC 5V/12V/24V 8CH USB Serial Port Relay Module UART RS232 TTL Switch Board CH340Opens in a new window or tabBrand NewC $1.82 to C $21.48Top Rated SellerTop Rated Selleralice1101983 (569,959) 99.5%+C $3.35 shippingfrom ChinaFree returns
- 5v Micro USB LED Automation Delay Timer Control Switch Relay Module DisplayOpens in a new window or tabBrand NewC $2.83Top Rated SellerTop Rated SellerWas: C $3.12 9% offsatisfyelectronics (217,511) 99.5%+C $1.35 shippingfrom ChinaFree returns
- 1/2/4 Channel USB Smart Switch WiFi Relay Module +433MHZ Remote And App ControlOpens in a new window or tabBrand NewC $10.48 to C $20.15Top Rated SellerTop Rated Sellercowramill (5,253) 98.5%+C $5.19 shippingfrom China
- 5-30V Micro USB Power Delay Relay Board Timer Control Module Trigger SwitchOpens in a new window or tabBrand NewC $1.82Top Rated SellerTop Rated SellerWas: C $1.98 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay RelayOpens in a new window or tabBrand NewC $1.76 to C $12.08Top Rated SellerTop Rated SellerWas: C $1.91 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- Micro USB 8-channel Relay Module 5V 10A Driver-free PC USB Control ICSE014AOpens in a new window or tabBrand NewC $17.18Top Rated SellerTop Rated Sellerworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- USB 5V DC7-48V 4CH eWeLink Smart WIFI Switch Universal Wireless Relay ModuleOpens in a new window or tabBrand NewC $12.56 to C $16.33Top Rated SellerTop Rated SellerWas: C $17.75 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 12V 4 Channel USB Relay Board Auto Module +Cable SRD-12VDC-SL-C for ArduinoOpens in a new window or tabBrand NewC $17.19Top Rated SellerTop Rated Sellerworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 1/2/4/8Ch 5V 12V USB Relay Programmable Computer Control Relay For Smart HomeOpens in a new window or tabBrand NewC $8.79 to C $18.42Top Rated SellerTop Rated SellerWas: C $11.71 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- LCUS-1 USB Relay Module Intelligent USB Switch Control Module FD5Opens in a new window or tabBrand NewC $10.43Top Rated SellerTop Rated Sellerfashiondress365 (17,337) 97.8%Free shippingfrom China
- 1/2/4/8 Ch 5V 10V USB Relay Programmable Computer Control Relay For Smart HomeOpens in a new window or tabBrand NewC $9.01 to C $15.45Top Rated SellerTop Rated Sellershieldsfans (88,466) 98.9%+C $58.65 shippingfrom China70+ sold
- 1-way Time Delay Relay Module 6-30V Micro USB Relay Control Timer Switch LCDOpens in a new window or tabBrand NewC $9.17Top Rated SellerTop Rated SellerWas: C $9.96 8% offzxodki (433) 98.4%+C $1.16 shippingfrom China
- 5V Micro USB LED Automation Delay Timer Control Switch Relay Module Display M8Opens in a new window or tabBrand NewC $2.90Top Rated SellerTop Rated SellerWas: C $3.21 10% offxiumeche-0 (33,835) 99.7%+C $3.94 shippingfrom ChinaFree returns
- KMTronic USB 4 Channel Relay Board, RS232 Serial controlled, PCBOpens in a new window or tabBrand NewC $43.73Top Rated SellerTop Rated Sellerkmtronic2010 (7,028) 100%+C $23.23 shippingfrom Bulgaria130 sold
- Digital LED Trigger Delay Cycle Timer Control Switch Relay Module Micro USB 5VOpens in a new window or tabBrand NewC $3.96Top Rated SellerTop Rated Sellermodulefans (115,412) 99.1%+C $3.35 shippingfrom China430 sold
- 8 Channel 5V Low Level USB Relay ModuleOpens in a new window or tabBrand NewC $31.54Top Rated SellerTop Rated Sellerphippselectronics (9,260) 100%+C $14.44 shippingfrom Australia
- 5V USB Relay 2 Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand NewC $6.91Top Rated SellerTop Rated SellerWas: C $7.52 8% offworldchips (190,414) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 8Channel Relay Module DC12V UART Serial Port Switch PLC Motor LED USB ControllerOpens in a new window or tabBrand NewC $25.65Top Rated SellerTop Rated SellerWas: C $27.29 6% offcsvtion (1,668) 98.6%Free shippingfrom China
- KMTronic USB 8 Channel Relay Board DIN railOpens in a new window or tabBrand NewC $75.16Top Rated SellerTop Rated Sellerkmtronic2010 (7,028) 100%+C $23.23 shippingfrom Bulgaria53 sold
- 16 Channel 9-36V USB Controlled SPDT Relay Module Opto-isolated Board SRD-5VDC UOpens in a new window or tabBrand NewC $46.44Top Rated SellerTop Rated SellerWas: C $64.49 28% offsilver1844 (996) 96.9%+C $2.72 shippingfrom United States
- 5V -30V Micro USB Power Delay relay Timer control module Trigger delay switchOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Sellerkingelectronics15 (68,795) 100%+C $1.35 shippingfrom ChinaFree returns
- 1 Channel Relay Cycle Timer Module USB 5.0V Relay Module 6-30V Passive Contact COpens in a new window or tabBrand NewC $9.09Top Rated SellerTop Rated Sellertopysealler01 (9,640) 95.8%Free shipping
- 5V/12V USB Relay 1/2/4/8 Channel Programmable Computer Control Relay Smart HomeOpens in a new window or tabBrand NewC $8.11 to C $15.25Top Rated SellerTop Rated Sellersunnylives (54,314) 97.2%+C $2.26 shippingfrom ChinaFree returns
- ESP8266 WiFi Relay Module DHT11 RGB LED ESP-01S Remote Control SwitchOpens in a new window or tabBrand NewC $5.49 to C $6.86Top Rated SellerTop Rated SellerWas: C $6.31 5% offecdiystore (1,044) 99.7%Free shippingfrom China
- MICRO USB 5V 2/4/8 Channel USB Control Relay Module 1 Channel 5-30V Delay RelayOpens in a new window or tabBrand NewC $1.86 to C $12.74Top Rated SellerTop Rated Sellermemolines (11,114) 98.4%+C $2.04 shippingfrom ChinaFree returns
- KMTronic USB 8 Channel Relay Board, RS232 Serial controlledOpens in a new window or tabBrand NewC $75.16Top Rated SellerTop Rated Sellerkmtronic2010 (7,028) 100%+C $23.23 shippingfrom Bulgaria284 sold
- LCUS-1 USB Relay Module Electronic Control Switch for Arduino PCBOpens in a new window or tabBrand NewC $7.61ebuying2024 (0) 0%Free shippingfrom China
- USB Relay Module Control Switch LCUS 1 Type DC 5V With High Performance ControlOpens in a new window or tabBrand NewC $10.88Top Rated SellerTop Rated Sellercelinahotoin (1,050) 98.8%Free shippingfrom China
- Micro USB 6-30V LED Auto Delay Timer Controller MOS Switch Relay Module DisplayOpens in a new window or tabBrand NewC $7.00 to C $7.01Top Rated SellerTop Rated SellerWas: C $7.37 5% offdiybox (77,046) 98.8%+C $4.09 shippingfrom ChinaFree returns
- 6-30V Micro USB Relay Module Delay Trigger Cycle Timer Time Circuit LCD SwitchOpens in a new window or tabBrand NewC $7.68Top Rated SellerTop Rated SellerWas: C $8.25 7% offmodulefans (115,412) 99.1%+C $3.54 shippingfrom China108 sold
- LCUS USB Relay Module Intelligent Control Switch for Smart Home (1-8 Channel)Opens in a new window or tabBrand NewC $8.81 to C $15.42ebuying2024 (0) 0%Free shippingfrom China
- USB ZK-TD2 Time Delay Relay Multiple Triggers Switch/Level/Serial Port/PNP USOpens in a new window or tabBrand NewC $3.21 to C $6.31Top Rated SellerTop Rated SellerWas: C $6.64 5% offdiy-electronic (25,165) 98.6%+C $3.72 shippingfrom ChinaFree returns
- 5V -30V Micro USB Power Delay relay Timer control module Trigger delay switchOpens in a new window or tabBrand NewC $1.35Top Rated SellerTop Rated Selleralice1101983 (569,959) 99.5%+C $3.35 shippingfrom China449 sold
- DC5V USB Smart WIFI On/Off Switch Single Relay Wireless Remote Control SwitchOpens in a new window or tabBrand NewC $4.09 to C $8.19Top Rated SellerTop Rated Sellerx-modules-x (1,612) 98.8%+C $4.09 shippingfrom ChinaFree returns
- USB 5V 4 Channel Relay Module Smart Switch USB Control Module Serial PortOpens in a new window or tabBrand NewC $9.06Top Rated SellerTop Rated SellerWas: C $9.54 5% offtop_electronic1980_techwin (1,573) 98.4%+C $6.07 shippingfrom ChinaFree returns
- 6-30V Micro USB Relay Module Delay Trigger Cycle Timer Time Circuit LCD displayOpens in a new window or tabBrand NewC $6.48 to C $56.47Top Rated SellerTop Rated SellerWas: C $6.82 5% offczb6721960 (311,160) 99%+C $4.09 shippingfrom China
- 1-way Time Delay Relay Module 6-30V Micro USB Relay Control Timer Switch TriggerOpens in a new window or tabBrand NewC $10.65Top Rated SellerTop Rated SellerWas: C $11.33 6% offnorwd67 (166) 98.8%+C $1.90 shippingfrom China
- HID Drive-free USB 1/2/4 Channel 5V Relay Module 5V 10A/250VAC 10A/30VDCOpens in a new window or tabBrand NewC $9.01 to C $13.81Top Rated SellerTop Rated Sellersunnylives (54,314) 97.2%Free shippingfrom China
- DC 5V 12V 1 Channel TYPE-C USB Relay Board RS232(TTL) PC UART Serial Port SwitchOpens in a new window or tabBrand NewC $12.82 to C $13.09Top Rated SellerTop Rated Sellerialotl (70) 98.5%+C $2.73 shippingfrom China
- 4-Channel 24V Computer USB Smart Switch Controller PC Relay Drive Module Exp FD5Opens in a new window or tabBrand NewC $15.86Top Rated SellerTop Rated Sellerfashiondress365 (17,337) 97.8%Free shippingfrom China
- DC 5-30V Micro USB Time Delay Relay LED Display Automation Cycle Delay TimerOpens in a new window or tabBrand NewC $12.60Top Rated SellerTop Rated SellerWas: C $13.26 5% offgspeed2020 (1,032) 92.5%+C $3.50 shippingfrom China
- HID Drive-free Micro USB 1/2/4 Channel 5V Relay Module 5V 10A/250VAC 10A/30VDCOpens in a new window or tabBrand NewC $3.32 to C $7.46Top Rated SellerTop Rated SellerWas: C $4.59 8% offalice1101983 (569,959) 99.5%+C $3.35 shippingfrom China
- 1Channel 5V USB Relay Programmable Computer Control Relay for Smart HomeOpens in a new window or tabBrand NewC $8.39Top Rated SellerTop Rated SellerWas: C $8.83 5% offzhuzhunv0928 (537) 98.9%+C $4.07 shippingfrom ChinaFree returns
- 1-10PCS 12V USB Relay 8 Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand NewC $14.14 to C $118.92Top Rated SellerTop Rated SellerWas: C $15.37 8% offalice1101983 (569,959) 99.5%+C $3.42 shippingfrom ChinaFree returns
- 5V -30V Micro USB Power Delay relay Timer control module Trigger delay switchOpens in a new window or tabBrand NewC $1.73Top Rated SellerTop Rated Sellercaelectronics8 (54,357) 99.7%+C $1.28 shippingfrom China
- DC 5V 12V 1 Channel TYPE-C USB Relay Board RS232(TTL) PC UART Serial Port SwitchOpens in a new window or tabBrand NewC $12.83Top Rated SellerTop Rated SellerWas: C $13.65 6% offuafymu (498) 97.3%+C $2.72 shippingfrom China
- 16 Channel 9-36V USB Controlled SPDT Relay Module Opto-isolated Board SRD-5VDC UOpens in a new window or tabBrand NewC $43.20beautiful1005 (42) 87.5%Was: C $53.32 19% off+C $2.72 shippingfrom United States
- 8 Channel 5V USB Relay Board Module Computer PC Smart Control Switch ControllerOpens in a new window or tabBrand NewC $16.97Top Rated SellerTop Rated SellerWas: C $18.45 8% offalice1101983 (569,959) 99.5%+C $3.42 shippingfrom China
- LCUS-1 type USB Relay Module USB Intelligent Control Switch PCB Board ElectronicOpens in a new window or tabBrand NewC $7.56Top Rated SellerTop Rated Sellerzy-electronics (639) 98.7%Free shippingfrom China
- Micro USB5V/DC7-32V 4Ch Wifi Remote Control Relay Switch Module For Tuya APPOpens in a new window or tabBrand NewC $19.43 to C $153.66Top Rated SellerTop Rated SellerWas: C $20.46 5% offdiybox (77,046) 98.8%+C $4.09 shippingfrom China
- 1-10PCS DC 12V USB Relay 8 Channel Programmable Computer Control For Smart HomeOpens in a new window or tabBrand NewC $15.55 to C $129.68Top Rated SellerTop Rated SellerWas: C $136.50 5% offgotw3527 (3,429) 99.2%+C $5.45 shippingfrom China
- 1PCS 8 Channel MICRO USB RELAY MODULE Upper Computer 5V 10A SOpens in a new window or tabBrand NewC $23.22Top Rated SellerTop Rated Sellershengdaohe-7879 (309) 98.1%Free shippingfrom China
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