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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 singlMingzhe 
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 anCHENBO 
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 interfacesBest Value Casalytics 
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 oOVAQUIXI 
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.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.46% Off JBtek JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM Equiped with high-current relay, AC250V 10A ; DC30V 10ABadafaci 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 consisFafeicy PWM Driver Module 4 Wire PCB Wide Voltage Temperature Controller Relay Switch Board with Probe 12V for PC Fan Alarms SPECIFICATION: The working temperature of this temperature detection control module is in ‑25℃‑85℃, the working humiditySunFounder SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino UNO R3 MEGA 2560 5V 2-Channel Relay interface board, and each one needs 15-20mA Driver CurrentJelquix Jelquix USB Smart Relay Controller Module for PC, Grade 5V 2-Channel PC Relay Drive Board for XP 32/64-bit System [HIGH PERFORMANCE USB CONTROL CHIP] Utilizes an imported high-performance USB control chip for reliable performance.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;Phipps Electronics 5V Light Sensor Photoresistor Relay Board Module - XH-M131 Automates light control based on ambient light levels.Haofy Haofy Relay Module Driver Free 1 Channel Control Switch Controller Board for PC Computer 5V, 5 Pcs Relay Control Module [RELIABLE PERFORMANCE]: Ensures precise control with stable USB to serial port chip and micro controller.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.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 FlashYechiry Yechiry USB Relay Board, 12VDC USB Relay Module, 8 Channel Controller with Extra PCB Openings, Ideal for Automation, Rob [Powerful 12vdc Operation] The device requires a 12vdc power supply to function efficiently, providing stable and consisSnblzhef 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: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 RelaysSpicurity 2PCS DC 12V 8-Channel USB Relay PC Computer Control 2PCS DC 12V 8-Channel USB Relay PC Computer ControlFAHIA(ファヒア) PCB Motherboard 2x5 Pin Reset Power Switch Test Board Computer Connection and Adapter Application Computer Connector Boa This adapter card is widely used for frequent testing without ChasasSnblzhef 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:TDUXGT 12V Fully Sealed PCB Relay 30A G8P-1A4P Compatible with PC Board Compatible with Panel Mounted RelaysOVAQUIXI 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-pSorandy 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 controlBjworeye Bjworeye 2X DC 12V 4 Channel RS232 Relay Board PC USB DB9 Interface Relay Module Serial Port Remote Control Switch 2. Standby current (all relays closed) 18MA, 1-way relay "open" 50MA, 2-way relay "open" 81MA, 3-way relay "open" 110MA,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 wiSaim Saim Black Aluminum Heatsink Heat Dissipation Sink for Solid State Relay SSR (3 Pcs) Come with a aluminum heat sink provides long lasting usage, it will help dissipate the heat and protect your relay.Aswalling 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.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, higGeneric Chassis Fan Hubs - 1 to 10Pin PC Fan Splitter | PC Case Fan Cable Control, PWMs Controller Splitter, Motherboard Cooler τ【Expansion Interface】PWMs Fan Hubs help to solve the problem of insufficient motherboard interface by extending the 4-pMHCOZY 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,dryRIZGHWOY 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 noPeakloong 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.Lmrysalque Lmrysalque 5Pcs Relay Module Driver Free 1 Channel Control Switch Controller Board for PC Computer 5V Better Control: Comes with stable USB to serial port chip and micro controller to control the 1 channel relay on and offJxngery Jxngery 5Pcs Relay Module Driver Free 1 Channel Control Switch Controller Board for PC Computer 5V Better Control: Comes with stable USB to serial port chip and micro controller to control the 1 channel relay on and offWMYCONGCONG 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.Domary 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 softwareZUUOZBYY ZUUOZBYY 5Pcs Relay Module Driver Free 1 Channel Control Switch Controller Board for PC Computer 5V Better Control: Comes with stable USB to serial port chip and micro controller to control the 1 channel relay on and offHosyond 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.outdoorm outdoorm 5Pcs Relay Module Driver Free 1 Channel Control Switch Controller Board for PC Computer 5V Better Control: Comes with stable USB to serial port chip and micro controller to control the 1 channel relay on and offSnblzhef 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.T TOOYFUL USB Eight Channel 8 Relay Switch Output Module Board PC Computer Controller Using /OFF switching electrical devices for , , solenoids etc.Lrocaoai 2X 8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay(with Terminal) 1 Working voltage: DC 12V (6-24V)Pomya 12V 4‑Pin RGB HUB RGB Controller,Motherboard 10 Ports RGB Fan Extension Cable for PC Computer Desktop Motherboard Interf Applicable to 12V voltage, support the main board with the same board.Expansion of 10 channels to connect 10 AURA fans fSENECESLI LAN Ethernet 2 Way Relay Board Delay Switch, LAN Ethernet Controller Module with Expandable Hardware Options, Web Server INDUSTRIAL MICROCONTROLLER: Enhanced capability with industrial grade STC microcontroller + ENC28J60: from the stable fiGearwell 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.Clisted 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.LIYJTK 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.EMSea 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.Reland Sun 4-Way 5V Relay Module Control Expansion Board Standard shield interfaces and shapes.WIHFHGZ 5Pcs 1 Channel Relay Module Driver Board for PC Computer, 5V Control Switch Module - Stable USB Serial Port Chip, Easy I [Reliable Control]: Features a stable USB to serial port chip and microcontroller for precise 1 channel relay switching,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 FHaloVerde 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 connecMiZOELEC 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 ControlLrocaoai 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 circuitIstoFlyt IstoFlyt AC 220V/DC 5-30V Power Supply ESP32 WiFi Bluetooth BLE Four-Way Relay Module ESP32-WROOM Development Board 1/O 2: Onboard and stable ESP32-WROOM-32E module, large-capacity 4M Byte FlashSwpeet 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,QWUUYEC 5Pcs Relay Module Driver Board, 1 Channel Control Switch, 5V Relay Controller for PC Computer - Stable USB Serial Chip, [Reliable Control]: Equipped with a stable USB to serial port chip and microcontroller for precise 1 channel relay on/ofDWZ SRD-05VDC-SL-C 1 2 4 8 -Channel 5V 12v 24v Relay Module Free Driver USB Control Switch PC Intelligent Control (5V 2-Chan APP Download:sainsmart SainSmart 8-Channel Relay Module 5V 8-Channel Relay interface board, and each one needs 15-20mA Driver Currenteletechsup 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 : eletechsupAnnadue 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.Lyaciomn Lyaciomn 1 PCS Relay Module Board with Optocoupler Self-Locking Timing Relay DC 8V-36V 4 Channel Multi-Function YIGZYCN 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. 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Stable on-board USB and advaDaXuTech 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.Zerodis Zerodis Modules Controller, 12VDC Type B Relay Board for Automation Robotics, Ideal for Home Automation and Robotics Pro [Compact Size] Measuring 3.66 x 2.75 x 0.63 inches, this relay board fits easily in tight spaces, making it perfect forHiSport 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 (SPAMINGONO PAMINGONO 2pcs Antistatic Circuit Board Storage Rack Tray, Black Plastic ESD PCB Assembly Holder for Surface Mount Compo Spaceefficient: its compact size makes it easy to store and transport, fitting seamlessly into any workspace,antistaticEujgoov 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.QWUUYEC 5Pcs Relay Module Driver, 1 Channel Control Switch Controller Board 5V - Stable USB Interface, Over Current Protection, [Reliable Control]: Features a stable USB to serial port chip and microcontroller for precise 1 channel relay on/off swiHDPQNHWA 8DI-8DO Industrial-Grade Multi-Function USB Relay Board PC UART COM Switch Module with Input Indicator Light DC 12V 24V( ApplicationsAexit Aexit 3 (Control electrical) Pcs PCB Board Mounted Soldering 6 Pin Auto Relay Socket Base Holder 14F-2Z-A2 7A 220V For A Product Name : Relay Socket Base;Rated Voltage/Current : 7A/220V For AUHDPQNHWA 8DI-8DO Industrial-Grade Multi-Function USB Relay Board PC UART COM Switch Module with Input Indicator Light DC 12V 24V( ApplicationsGearwell Gearwell Relay Control Module, RS485 RS232 Switch Board, 15 Channel PLC DO Module, DC24V Relay Board, PC UART Serial Con WITH 6 INSTRUCTIONS: Relay control module come with open, close, Momentary, self lock, Interlock, Delay 6 instructionsUtopially Utopially AC 220V/DC 5-30V Power Supply ESP32 WiFi Bluetooth BLE Four-Way Relay Module ESP32-WROOM Development Board 1/O 2: Onboard and stable ESP32-WROOM-32E module, large-capacity 4M Byte FlashDWBPGVUN 1pcs/lot relay:ACTB2WR3A88 6pins Car computer board onboard motherboard control relay DWBPGVUN sb 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 yoYiNLuax YiNLuax Educational Motor Reversing Module Small Reverse Polarity Relays Boards for 5V 6V 9V 12V Accessories Motor Rever Working Voltage, Current: Working Voltage Dc5-12v (5v 6v 9v 12v), Working Current 5v, Forward 4ma, Reverse: 36ma; 12v, FGeneric 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 andLockmaner 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.MiZOELEC One 1 Channel 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger Power Supply Module for One 1 Channel 24V Relay Module Board Shield with Optocoupler Support High and Low Level Trigger Power Supply Module forGeneric 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 andGeneric 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 andJeffergarden 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 dMiZOELEC One 1CH 1 Channel 9V Relay Module Board Shield with Optocoupler Support High Low Level Trigger Power Supply Module for A One 1CH 1 Channel 9V Relay Module Board Shield with Optocoupler Support High Low Level Trigger Power Supply Module for AWaveshare Waveshare Quality 3-Ch Relay Expansion Board Designed for Jetson Nano Optocoupler Isolation Standard 40PIN GPIO header, directly pluggable onto the Jetson NanoCryfokt 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 anywherDenash 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.CCYLEZ CCYLEZ 2 Way 5V Relay Drive Module, Onboard Square USB Interface 5V Computer USB Smart Switch Controller PC Relay Expans Onboard square USB interface, stable connection.DWEII DWEII 5pcs 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 Standard interface that can be controlled directly by microcontroller (Compatible with Arduino, 8051, AVR, PIC, DSP, ARMAswalling Aswalling Computer Serial Port Control Switch 16 Channel USB Relay Module ESP32 Development Board Smart Controller for P 3. Onboard serial port receiving and sending indicator and relay status indicatorMiZOELEC G3MB-202P 5V DC 1 Channel Solid-State Relay Board Module for Arduino High Level Fuse for Arduino SSR G3MB-202P G3MB-202P 5V DC 1 Channel Solid-State Relay Board Module for Arduino High Level Fuse for Arduino SSR G3MB-202P