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ECSiNG 10PCS 5-Pin Terminals 5VDC Power Relay PC Board Relay for Industrial Control Automotive Electronics Safety System Premium Quality and Sealed Design: Constructed from high-quality materials, this relay features a waterproof and dustproHomyl 
HOMYL DC 12V 8-Channel USB Relay Module – PC-Controlled HID Relay Board for Home Automation Device Switching [Multi-Channel Relay Board] Equipped with 8 relays SRD-05VDC-SL-C, allowing control of multiple circuits through a singlCasalytics 
G8P-1A4P Fully-Sealed PCB Relay (Set of 2) 12VDC 30A - 4Pins 30A 250VAC Relay for PC Board or Panel-Mounted Applications Fully-Sealed PCB Relay: The G8P-1A4P relay is fully-sealed, providing excellent protection against dust, moisture, and oMingzhe 
USB Relay Module High Performance MCU PC USB Smart Control Switch Jog Self Locking [High-performance Microcontroller Chips] - Equipped with onboard high-performance microcontroller chips for efficient anBest Value CHENBO 
4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler for Arduino The module uses genuine quality relay, normally open interfacesOVAQUIXI 
OVAQUIXI DC 36V USB Control Switch Relay Module Easy-to-Use PC Relay Module Expansion Board for Precise Computer Control [PLUG-AND-PLAY DESIGN] Enjoy a hassle- setup with the onboard control chip for easy use and convenience.AOICRIE 
AOICRIE 5Pcs DC 12V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible This Relay Board Maximum load: AC 250V/10A, DC 30V/10A With power and relay action indicator.each relay has normally opeCHENBO 2 pcs 5V 2 Channel DC 5V Relay Module with Optocoupler High/Low Level Trigger Expansion Board for Arduino Maximum load: AC 250V/10A, DC30V/10AJBtek JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM Equiped with high-current relay, AC250V 10A ; DC30V 10APhipps Electronics 5V Light Sensor Photoresistor Relay Board Module - XH-M131 Automates light control based on ambient light levels.SG Store SG Store 10pcs PCB Relay Socket 40A 5Pin Connector Suitable for Plug-in Relay Control Circuit Product size: The product is 27mm long, 24mm wide and 14.5mm wide. Manual measurements, please allow slight errors.CHICIRIS CHICIRIS 4 Channel 12V USB Relay Module, AC/DC Load Control Up to 10A, Quality PCB Board, for Smart Home Automation [Connectivity Options] can control AC and DC loads and provide versatile control options.Diyeeni Diyeeni USB Switch Module, 2-Channel 5V Computer USB Smart Switch Controller, PC Relay Drive Module Expansion Board, Rel Onboard USB interface, stable connection.Qezodsx Qezodsx One Channel Relay ESP32-WROOM Development Board Single Relay Module DC 7-60V Power Supply for Home Appliance Acc 1. On-board and stable ESP32-WROOM-32E module, capacity 4M Flash;MiZOELEC 5V 2-CH 2 Channel RS232 Serial Control Relay Switch Board SCM PC Relays 5V 2-CH 2 Channel RS232 Serial Control Relay Switch Board SCM PC RelaysSwpeet Swpeet 450Pcs Computer Screws Motherboard Standoffs Assortment Kit for Mainboard, Hard Drive, Fan, Power Supply DIY PC I 💯 【 What You Get 】------ In this kit, You will get 450Pcs Computer Screws Motherboard Standoffs Screws Assortment Kit,Sorandy Sorandy USB Control 2NO 2NC Relay Module, Plug and Play, Automatic Operation, 0.5A Max Switching Current, Smart Home PC MULTIFUNCTIONAL: The LCUS drive- USB computer drive- control switch relay module is an efficient and intelligent controlOVAQUIXI OVAQUIXI USB Control Switch Relay Module Plug and Play PC Control Relay Module Expansion Board for Reliable Electrical C [SIMPLE AND EFFICIENT] Utilize the USB Control Switch Relay Module effortlessly with its drive- operation and plug-and-pSnblzhef Snblzhef DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch for Moto Four-channel serial relay:Sorandy DC 36V USB Control Switch, Relay Module Drive, Computer PC Control, Relay Module Expansion Board, WiFi Wireless Smart Sw MULTIFUNCTIONAL: Support for a variety of operating systems and programming languages, a wide range of applications, higSnblzhef Snblzhef DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch for Moto Four-channel serial relay:RIZGHWOY RIZGHWOY USB Control Switch Relay Module Efficient Computer PC Control Relay Module Expansion Board for High Precision E [DRIVE- OPERATION] The USB Control Switch Relay Module features an onboard control chip, making it plug and play with noYIGZYCN YIGZYCN Channel USB Control Relay Module ULN2803 5V 12V 24V Intelligent Switching for PC Automation and Expansion Board Our 4 Channel 5V 12V 24V USB Control Switching Relay Module allows for seamless automation. Stable on-board USB and advaGYZOUKA GYZOUKA 2 Channel 5V USB Relay Module for PC Control Driver Relay Plug and Play Control Chip for Overcurrent [Pc Control]:Our relay module includes a stable usb to serial port chip and microcontroller ,allowing for easy control oYIGZYCN YIGZYCN Channel USB Control Relay Module ULN2803 5V 12V 24V Intelligent Switching for PC Automation and Expansion Board Our 4 Channel 5V 12V 24V USB Control Switching Relay Module allows for seamless automation. Stable on-board USB and advaYIGZYCN YIGZYCN Channel USB Control Relay Module ULN2803 5V 12V 24V Intelligent Switching for PC Automation and Expansion Board Our 4 Channel 5V 12V 24V USB Control Switching Relay Module allows for seamless automation. Stable on-board USB and advaReland Sun 4-Way 5V Relay Module Control Expansion Board Standard shield interfaces and shapes.AOICRIE AOICRIE 5PCS PCF8574T PCF8574 IO Expansion Board Module I2C IO Expander Module (5 PCS) ✔I2C interface, I / O expansion module, two I / O scalability 8 I / O (up to 8 simultaneous use the PCF8574 expanded toYDuupxe YDuupxe USB Relay Module, 2 Channel 5V USB Control Switch with Technology for PC, PCB Board, Stable Connection, 10A AC 3 [Compatible and User Friendly] Supports and xp 32 bit systems ensuring broad compatibility. its compact size and lightweAumotop Aumotop Drive Free USB Relay Expansion Board, 4 Channel Relay Module with Serial Control, Stable Controller, Long Servic [PLUG-AND-PLAY SETUP] Onboard control chip for hassle-free installation and useHaloVerde HaloVerde USB Control Relay Board with Onboard Chip and LED Status Indicators, a Serial Port Control Relay Module with J ADVANCED CHIPSET: Incorporates a high performance MCU and a USB control chip to manage commands and ensure stable conneceletechsup DC 12V 24V 2Ch DB9 UART Relay Module RS232 Serial Port Switch Board for PC PLC Motor LED PTZ (12V) Brand Name : eletechsupeletechsup DC 12V 24V 2Ch DB9 UART Relay Module RS232 Serial Port Switch Board for PC PLC Motor LED PTZ (24V) Brand Name : eletechsupDomary 4 Channel Relay Module 5V USB Expansion Board for PC Control Switch [User-friendly Design] With the ability to control the opening and closing of the relays using serial debugging softwareDaXuTech Wireless Remote Switch,Smart Home 433Mhz DC 12V 1CH Wireless Remote Switch Relay Receiver Transmitter Universal Remote C 💡-Very convenient to use, simple wiring diagram connection way.Ganbui Ganbui DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch for Motor 2. Standby current (all relays closed) 18MA, 1-way relay "open" 50MA, 2-way relay "open" 81MA, 3-way relay "open" 110MA,MiZOELEC 1Pcs DC 5V 10A 8 Channel Micro USB Relay Indicator Board Module PC Upper Computer ICSE014A Software Control 1Pcs DC 5V 10A 8 Channel Micro USB Relay Indicator Board Module PC Upper Computer ICSE014A Software ControlWMYCONGCONG WMYCONGCONG 5 PCS 2 Channel 12V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Raspberr 12V 2 channel relay module, can be controlled by any 12V digital output from your microcontroller.Wlpdkptg Wlpdkptg DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch for Moto 2. Standby current (all relays closed) 18MA, 1-way relay "open" 50MA, 2-way relay "open" 81MA, 3-way relay "open" 110MA,Loqrwe Loqrwe DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch for Motor 2. Standby current (all relays closed) 18MA, 1-way relay "open" 50MA, 2-way relay "open" 81MA, 3-way relay "open" 110MA,Badafaci Badafaci USB Relay Board 12VDC USB Relay Module 8 Channel Controller with Extra PCB Openings for Automation Robotics PC [Powerful 12vdc Operation] The device requires a 12vdc power supply to function efficiently, providing stable and consisHosyond Hosyond 4Pack 4 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560 The power supply voltage of the relay module is DC5V. The maximum output load is AC250V 10A and DC30V 10A.Denash Relay Module, Isolator Module 24V to 5V PLC Converter Board for Converting Level and Voltage for PNP and NPN to NPN Module wiring has common anode input, common cathode input, and differential input.Eujgoov 2 Channel DC Relay Module Relay Switch Board, Serial Relay Switch Relay to RS232,2 Channel Relay Switch Module Serial Po Stable and :The relay switch board with capacitor filter circuit, which has improved stability.elechawk I2C Qwiic Cable Kit Stemma QT Wire for SparkFun Development Boards Sensor Board Breakout Breadboard 4 Pin Sh1.0 Connecto Includes 12 pcs cables of various lengths and styles (10cm,20cm, 30cm, 50cm. SH1.0 connector and breadboard Jumper and FT TOOYFUL USB Eight Channel 8 Relay Switch Output Module Board PC Computer Controller Using /OFF switching electrical devices for , , solenoids etc.Garende Garende 8 Channel 12V USB Relay Module Board Driver PC Intelligent Controller Led relay output: / USB ledClisted Clisted 1 PCS Relay Module Board with Optocoupler Self-Locking Timing Relay DC 8V-36V 4 Channel 3. DC 8V-36V wide voltage input, with power supply anti-reverse connection function, not damage the module due to wrongHosyond Hosyond 6Pack 2 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino Raspberry Pi MEGA2560 The power supply voltage of the relay module is DC5V. The maximum output load is AC250V 10A and DC30V 10A.DWEII DWEII 10 PCS 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 5V 2-Channel Relay interface board, and each one needs 15-20mA Driver CurrentLockmaner Lockmaner 1 Pcs 2 Channel Relay Module 30A High-Low Level Trigger Control Relay Module Relay Switch Board High or low level trigger can be by jumper.Jeffergarden Jeffergarden USB Relay Controller, 8 Channel Programmable Board, 12V with Easy PC Control for Home Automation and Roboti Simple USB Control: Connects easily to a PC with no drivers required, ideal for controlling various electrical devices dEMSea EMSea 10 Way Fan Hub PWM PC Fan Control Board 12V SATA for Power with 10 4-Pin Fan Connections and PWM Connection Cable Control Up to 10 Fans: The 10-way fan hub allows you to control up to 10 fans, providing a practical solution for managiAswalling Aswalling 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch for PLC Smart Home Garage Door Car Farm Motor for Relay load voltage: DC 1-100V or AC85-265V.Pqredg Pqredg 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch for PLC Smart Home Garage Door Car Farm Motor Standby current 16MA.Ganbui Ganbui 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch for PLC Smart Home Garage Door Car Farm Motor RS232 DB9 female interface.Snblzhef Snblzhef DC 12V 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch for PLC Smart Home Garage Door Car Alarm Fa Read, open, close, self-lock, jog, interlock 6 instructions, can meet most industrial control occasions.Liyeehao MCU PC USB Control Relay Board, High-Performance Microcontroller Chips USB Control Relay Module, for Home Industry 100% brand new and high quality.Snblzhef Snblzhef DC 12V 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch for PLC Smart Home Garage Door Car Alarm Fa Read, open, close, self-lock, jog, interlock 6 instructions, can meet most industrial control occasions.Domary Domary ATX Power Board Breakout Module Adapter for Computer Chassis Power Supply in PC Accessories XHM229 [Versatile Compatibility] : Compatible with atx and some btx types, this atx power board is a versatile solution for varAnnadue Annadue Relay Module Relay Switch, 2 Channel 5V Computer Usb Smart Switch Controller Pc Relay Drive Module Expansion Boa Onboard square USB interface, stable connection.Loqrwe Loqrwe 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch for PLC Smart Home Garage Door Car Farm Motor RS232 DB9 female interface.KUNLONGSKY AC 220V/DC 5-30V Power Supply ESP32 WiFi Bluetooth BLE Four-Way Relay Module ESP32-WROOM Development Board 1/O Port 2: Onboard and stable ESP32-WROOM-32E module, large-capacity 4M FlashHiSport HiSport T9AS1D12-12 Power Relay 12VDC 30A SPST-NO PCB Compatible with PC Board or Panel-Mounted Applications High-Capacity Power Relay: Handles demanding loads up to 30A @ 240VAC with a 12VDC coil, featuring a reliable SPST-NO (SWlpdkptg Wlpdkptg 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch for PLC Smart Home Garage Door Car Farm Motor RS232 DB9 female interface.Peakloong Peakloong 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch for PLC Smart Home Garage Door Car Farm Motor for Relay load voltage: DC 1-100V or AC85-265V.sb components Relay 4 Zero 3V 4 Channel Relay Shield for Raspberry Pi, Relay HAT Expansion Relay Board for Raspberry Pi 4B/3B+/3B/2B/B 4 High-quality 3V Relays that loads up to 2A/24VDC or 2A/120VAC.LONELY BINARY Lonely Binary 3- Pack ESP8266 NodeMCU WiFi Development Board – CP2102, Full-Size Microcontroller Module with USB for Ard ✅【ESP8266 NodeMCU Development Board】 – Full-size module with built-in WiFi and CP2102 USB-to-Serial chip, perfect for wiGearwell Gearwell USB Relay Module, 4-Channel 12V USB PC Relay Board, WiFi Smart Switch Controller Module, Computer USB Relay Exp Onboard square USB interface, stable connection.LONELY BINARY Lonely Binary 3- Pack ESP8266 NodeMCU WiFi Development Board – CP2102, Full-Size Microcontroller Module with USB for Ard ✅【ESP8266 NodeMCU Development Board】 – Full-size module with built-in WiFi and CP2102 USB-to-Serial chip, perfect for wiKOSDFOGE Relay Module, 2-Channel 5V Computer USB Smart Switch Controller PC Relay Drive Module Expansion Board Military-grade PCB board production. computercomponentNOYITO NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB) NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It canEMSea EMSea 10-Channel RGB Hub 10 Port PC Chassis Fan Hub CPU Cooling Hub PC Motherboard RGB Fan Extension Cable RGB LED Split The 5V 3-Pin RGB 10-channel hub expand one interface of the motherboard into 10 to meet the needs of multiple devices.Panasonic Panasonic PC POWER RELAY BOARD, A608B3E60AP This is an O.E.M. Authorized partLrocaoai USB Relay Module USB Intelligent Control Switch USB Switch for LCUS-1 Type Electronic Converter LC USB Switch Communication Protocol:Generic 4 Channel USB Control Relays Module ULN2803 5V 12V 24V Intelligent Switching for PC Automation and Expansion Board seamlessly automation with our 4 Channel 5V 12V 24V USB Control Switching Relays ModuleFeatures stable onboards USB andsb components SB Components Ardi Relay HAT for UNO R3 Development Board Relay Shield Expansion for Arduino Uno, Mega, ArdiPi & Ardi32 The Ardi Relay Shield is a versatile 4-channel optoisolated relay board that enhances your Arduino projects, allowing yoGeneric 4 Channel USB Control Relays Module ULN2803 5V 12V 24V Intelligent Switching for PC Automation and Expansion Board seamlessly automation with our 4 Channel 5V 12V 24V USB Control Switching Relays ModuleFeatures stable onboards USB andLrocaoai 2X 24 Pins ATX Benchtop Board Computer Pc Power Supply Breakout Adapter Module 4. With output protection fuse,four groups correspond to four road output.Generic 4 Channel USB Control Relays Module ULN2803 5V 12V 24V Intelligent Switching for PC Automation and Expansion Board seamlessly automation with our 4 Channel 5V 12V 24V USB Control Switching Relays ModuleFeatures stable onboards USB andMarhynchus Marhynchus 8 Channel 12V DC Relay Board Controller for Automation Robotics, with Better Voltage Isolation, Doubled High [BETTER VOLTAGE ISOLATION] EXTRA PCB OPENINGS FOR IMPROVED SAFETY: Featuring additional PCB openings for better voltageMHCOZY MHCOZY 1 Channel USB 5V AC/DC 7-32V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Contr WIFI app remote,Works with tuya/smart life app,doesn't support ewelink app easy to setup with low voltage 5V 12V 32V,dryLIYJTK Relay Module Control Board Delay Electronic Switch Controller LED Android PC DC12V [EASY OPERATION] When audio signal detected, relay closes. Delay adjustable from 0.1 to 9.99 seconds for convenient use.JESSINIE JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board with Anti-Reverse Connection On-board mature and stable 8bit MCU and MAX485 level conversion chipsJESSINIE JESSINIE 2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board with Anti-Reverse Connection On-board mature and stable 8bit MCU and MAX485 level conversion chipsBit Trade One BitTradeOne ADRSRU4 Relay Control Expansion Board for Raspberry Pi 4 Circuits [Pre-Assembled] 対象RaspberryPi:Zero WH/Model B+/2 Model B/3 Model BSdsrul Industrials 100A Relays Soft Starter 2400W Power Management Module With LED Indicators For Equipment And Home Devices LED indicators and screw terminals enable realtime and secure installation, delivering militarys durability for criticalLrocaoai LAN Ethernet RJ45 IP Web Remote Control Board with 4 Channels Relay UDP W5500 Networking Controller Onboard 4-way high-quality relay, relay with absorption diode circuitAcxico Acxico 2 pcs ESP8266 ESP-01S + 5V WiFi Relay Module Smart Home Remote Control Unlock Board This module uses genuine relays and normally open interfaces. High stability and low power consumption.HDPQNHWA 8DI-8DO Industrial-Grade Multi-Function USB Relay Board PC UART COM Switch Module with Input Indicator Light DC 12V 24V( ApplicationsMingzhe USB Relay Module High Performance Control Switch for Home Automation [High-performance Microcontroller Chips] Ensure efficient and operation.Waveshare Waveshare Quality 3-Ch Relay Expansion Board Designed for Jetson Nano Optocoupler Isolation Standard 40PIN GPIO header, directly pluggable onto the Jetson NanoDWBPGVUN 1pcs/lot relay:ACTB2WR3A88 6pins Car computer board onboard motherboard control relay DWBPGVUN Cryfokt Cryfokt WiFi Remote Relay Module Powerful 4 Channel Control Board for Smart Home DC5V, 7-28V [REMOTE RELAY CONTROL] Take charge of the relays remotely through mobile app, ensuring effortless operation from anywhersb components PiRelay 6 Power Relay Module for Raspberry Pi, 6 Channel Relay Shield for Raspberry Pi, Relay HAT Expansion Relay Board Control up to 6 appliances/devices with photo-coupling isolation with load up to 250V AC/7 A, 30V DC/10 AAnlayliay Anlayliay 1 PCS ABS Clock Relay Module High Precision Clock Circuit Board Time Control Timing Switch 5V The time is divided into hours, minutes, and seconds.Mingzhe 8-Channel 12VDC Type B USB Relay Board Module Controller Automation Robotics for Robotics Labs [Efficient Relay Control] When connected to a pc and restarted, the relays toggle multiple times due to the ftdi chip'sLrocaoai 2X One Channel Relay ESP32-WROOM Development Board Single Relay Module DC 7-60V Power Supply for Home Appliance 3. The power supply mode supports DC7-60V and Micro-USB 5V; Onboard ESP32 module IO0 programmable buttons;