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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 dustproCHENBO 
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 Homyl 
HOMYL DC 12V 8-Channel USB Relay Board Module PC Computer Control for Home Automation This is USB controlled relay module with 8 relays SRD-05VDC-SL-C.JBtek 
JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM Equiped with high-current relay, AC250V 10A ; DC30V 10ACHENBO 
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/10ASorandy 
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 controlECSiNG 
ECSiNG SRD-05VDC-SL-C 5-Pin Terminals 5 VDC Power Relay PC Board Relay for Industrial Control Automotive Electronics Sec PREMIUM QUALITY & SEALED DESIGN Made of high quality materials, this relay features a waterproof and dustproof seal thatSunFounder 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 CurrentDomary 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 softwaredomoi domoi WiFi Relay Controller Module, DC 5V 8V-80V ESP8266 Wireless Controller Module ESP-12F for IOT Smart, blue LC-Relay-ESP12-1R-D8 single way relay development board carry on ESP-12F WiFi module I/O port is fully extracted, supporSnblzhef 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: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;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.Electronics-Salon Electronics-Salon RPi Power Relay Board Expansion Module, for Raspberry Pi A+ B+ 2B 3B. Supports Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B, the RPi Relay Board gives your Pi the ability to control high voltage/highMingzhe 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 anMiZOELEC 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 Relaysjojofuny jojofuny Sets Appliance Relay Module Single Channel Relay Board User-Friendly Design Pcs Single channel relay board-- additionally, the control pins are equipped with pull-down circuits to prevent accidental rIsMwav IsMwav AC 220V/DC 5-30V Power Supply ESP32 WiFi Bluetooth BLE Four-Way Relay Module ESP32-WROOM Development Board 1/O Po 2: Onboard and stable ESP32-WROOM-32E module, large-capacity 4M FlashDSD TECH DSD TECH SH-UR01A USB Relay Controller for Computer and Laptop(1CH) USB Relay Controller:With this USB Relay controller, you can control the switch on your PC or laptop.Oxtxuzdm Oxtxuzdm 8 Channel Solid Relays Module Board DC5V 12V 24V High/Low Triggering with LED Indicators seamlessly control with our 8 Channel Solid Relays Module Board,featuring High/Low Triggering enhances and reliability iXiuxin Xiuxin 2pcs 5V 8 Channel Relay Module Board for Arduino PIC AVR DSP ARM 2pcs/lot 8 Channel relay module board, Working voltage: 5VSorandy 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, higAOICRIE 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 opeharayaa DC 12V 8 Channel USB Relay Card Module PC Computer Control for Home Convenient and .TOOYFUL USB Eight Channel 8 Relay Switch Output Module Board PC Computer Controller Using /OFF switching electrical devices for , , solenoids etc.PerGar Optocoupler Isolation Board 8 Channel Driver Photoelectric Isolated Module 817 3.6 30V Achieve Unparalleled Voltage Conv DRIVE VARIOUS OCCASION: Optical isolation has strong interference resistant ability, which can drive high power transistLiyeehao MCU PC USB Control Relay Board, High-Performance Microcontroller Chips USB Control Relay Module, for Home Industry 100% brand new and high quality.Coolwell Coolwell Waveshare Quality 3-Ch(Channel) Relay Expansion Board Designed for Jetson Nano, Optocoupler Isolation Directly 3 Channels Relay Control; Configurable Control Pin, Up To 2x StackableEMSea 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 managiSENECESLI 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 fiWzenclave Wzenclave DC 5/12V Timer Switch Module Adjustable Timer Delay Turn Off Module with Adjustable on-Off Time Relay for Auto 【Product Description】: You will receive a delay switch installed, The timer module is a timing relay module with high prAnnadue 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.Dorhea Dorhea ESP8266 ESP-12F NodeMcu D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board + Relay Shield + 2.54mm The esp8266 module is 11 digital input / output pins, all pins with interrupt / PWM / I2C / support 1 line (except D0);eletechsup DC 12V 24V 2Ch DB9 UART Relay Module RS232 Serial Port Switch Board for PC PLC Motor LED PTZ (24V) Brand Name : eletechsupSuesacy Suesacy 1 PCS Relay Module Board with Optocoupler Self-Locking Timing Relay 4 Channel Multi-Function 3. DC 8V-36V wide voltage input, with power supply anti-reverse connection function, not damage the module due to wrongeletechsup DC 12V 24V 2Ch DB9 UART Relay Module RS232 Serial Port Switch Board for PC PLC Motor LED PTZ (12V) Brand Name : eletechsupAOICRIE 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 toDWZ 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: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.CIYODO CIYODO Pcs Relay Module Board Electromechanical Relay Parts Overheat Optocoupler Isolation Flexible triggering: high and trigger support provides versatile control options for usersPanasonic Panasonic PC POWER RELAY BOARD, A608B3E60AP This is an O.E.M. Authorized partHosyond 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.Clisted Clisted 1 PCS Relay Module Board with Optocoupler Self-Locking Timing Relay DC 8V-36V 4 Channel Oxtxuzdm Oxtxuzdm 8 Channel Solid Relays Module Board DC5V 12V 24V High/Low Triggering with LED Indicators seamlessly control with our 8 Channel Solid Relays Module Board,featuring High/Low Triggering enhances and reliability iOxtxuzdm Oxtxuzdm 8 Channel Solid Relays Module Board DC5V 12V 24V High/Low Triggering with LED Indicators seamlessly control with our 8 Channel Solid Relays Module Board,featuring High/Low Triggering enhances and reliability iOxtxuzdm Oxtxuzdm 8 Channel Solid Relays Module Board DC5V 12V 24V High/Low Triggering with LED Indicators seamlessly control with our 8 Channel Solid Relays Module Board,featuring High/Low Triggering enhances and reliability iReland Sun 4-Way 5V Relay Module Control Expansion Board Standard shield interfaces and shapes.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 ControlOxtxuzdm Oxtxuzdm 8 Channel Solid Relays Module Board DC5V 12V 24V High/Low Triggering with LED Indicators seamlessly control with our 8 Channel Solid Relays Module Board,featuring High/Low Triggering enhances and reliability iOxtxuzdm Oxtxuzdm 8 Channel Solid Relays Module Board DC5V 12V 24V High/Low Triggering with LED Indicators seamlessly control with our 8 Channel Solid Relays Module Board,featuring High/Low Triggering enhances and reliability iMingzhe 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'sLyaciomn Lyaciomn 1 PCS Relay Module Board with Optocoupler Self-Locking Timing Relay DC 8V-36V 4 Channel Multi-Function Hosyond 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.LONELY BINARY Lonely Binary 3-Pack ESP8266 Full Size WiFi Development Board Compatible with Arduino and MicroPython Comprehensive 3-Pack: Includes three ESP8266 development boards for multiple projects or spares.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 FOSOLADY OSOLADY Mechanical Electronic Relay Switch Pcs Relay Module Set Isolation Module Harness for Easy wiring: user friendly terminal connections simplify the wiring process,golf cart light controller relay,relay contrKOSDFOGE Relay Module, 2-Channel 5V Computer USB Smart Switch Controller PC Relay Drive Module Expansion Board Military-grade PCB board production. computercomponentDWEII 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 CurrentLrocaoai 3X One Channel Relay ESP32-WROOM Development Board Single Relay Module DC 7-60V Power Supply for Home Appliance 2. The I/O port and UART program download port of the ESP32 module are all led out to facilitate secondary development;Eacam Relay Expansion Board, 3-Channel, 5A, Optocoupler Isolation, Indicator, Jumper Cap, for A+/B+/2B/3B/3B+ Control [Powerful Relays] - Can connect to loads up to ≤5a ac or ≤5a 30v dc, ensuring performance.Mellisso Mellisso 5X Esp8266 Esp-12F Wifi Relay Module 2Channel 5V/8-80V Network Relay Switch for Ide Smart Remot Control 3. Onboard WIFI module reset button;Mingzhe 12V 4Ch RS232 Relay Board Remote Control Switch Car Motor [Versatile Interface] Rs232 db9 female interface for easy connectivityOSALADI OSALADI Sets v Relay Board for Devices Single Relay Module Easy to Use Integrated Pull-Down Circuit for Electronic Proje Module relay module 5v--this module provides precise and reliable control of high voltage loads, making it a great choicSustVita SustVita BLE Development Board with 8 Channel Relay Module, DC 5-30V, Nice for IoT Projects and Smart Home Automation Stable ESP Module: The onboard -WROOM-32E with 4M Byte Flash guarantees dependable performance, providing sufficient memZLXHDL Relay Module,1 Channel Optocoupler Relay Board 5v/12v/24v High & Low Trigger Four Fixing Bolt Holes are Provided,for Ind Enhanced Performance: Our Relay Module adopts a patch photocoupler isolation design, providing strong driving ability anZLXHDL Relay Module,1 Channel Optocoupler Relay Board 5v/12v/24v High & Low Trigger Four Fixing Bolt Holes are Provided,for Ind Enhanced Performance: Our Relay Module adopts a patch photocoupler isolation design, providing strong driving ability anZLXHDL Relay Module,1 Channel Optocoupler Relay Board 5v/12v/24v High & Low Trigger Four Fixing Bolt Holes are Provided,for Ind Enhanced Performance: Our Relay Module adopts a patch photocoupler isolation design, providing strong driving ability anAcxico 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.Gearwell USB Relay Module Wi Fi Smart Switch 4-Channel 12V Computer USB Smart Switch Controller PC Relay Module Expansion Board U Onboard square USB interface, stable connection.Peakloong Peakloong 1 PCS 5V Optocoupler Drive Module Eight-Way Relay Control Board Low Level Trigger Low level pull-in, high level release. The status indicator light is on when it is engaged and off when it is released.UIOTEC 1 PCS 4 Channel 5V Relay Shield Expansion Board V1.3 VENEKA VENEKA 1 PCS 8-Way Relay Module 5V Optocoupler Drive Module Eight-Way Relay Control Board Low Level Trigger There are 4 fixing screw holes around the board, with a hole diameter of 3.1mm, making it easy to install and fix.Waveshare Waveshare Quality 3-Ch Relay Expansion Board Designed for Jetson Nano Optocoupler Isolation Standard 40PIN GPIO header, directly pluggable onto the Jetson NanoPhipps Electronics 5V Light Sensor Photoresistor Relay Board Module - XH-M131 Automates light control based on ambient light levels.Anlayliay 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.UIOTEC 1 PCS 8 Channel Relay Module Interface Board DC 5V for PIC AVR MCU DSP Domary 12VDC Type B USB Relay Board Controller Automation Robotics 8-Channel for DIY Projects [No Reverse Voltage ] : Caution - damage if vcc(+12v) and gnd are reversed.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 yoDiitao Diitao 6PCS 2 Channel DC5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 1EMSea 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.Domary RS485 Relay Module 4 Channel RTU PCB Board with Housing Industrial Control Components DC24V for Industrial Control [Versatile Usage] Ideal for industrial control applications. provides stable and performance in various settings. ensureMingzhe 5V Dual Channel WiFi Relay Module Smart Home Remote Switch for IOT Devices [User-friendly Design] Includes board mode selection and real-time status indicator for easy monitoring and control.Lrocaoai 1 Pcs 2 Channel Relay Module 30A High-Low Level Trigger Control Relay Module Relay Switch Board Large load capacity, the relay can connect to maximum 30A, 250V loads.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, ARMビットトレードワン 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 BLockmaner 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.Mellisso Mellisso ESP8266 WiFi 16 Channel Relay Module ESP-12F Development Board Power, 16 Way Relay Module, Supply Mode 12V The power supply mode supports DC12 v.Peakloong Peakloong 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.Swpeet 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,TenNuoDa Timer Switch Module, Relay Module Adjustable Timer Module Size 70 x 26mm Relay Module Interface Control Board with Optoc Specifications: Relay module, size 70 x 26 mm/2.8 x 1 inch, height 18 mm/0.7 inch, center distance of mounting holes 64TenNuoDa Timer Switch Module, Relay Module Adjustable Timer Module Size 70 x 26mm Relay Module Interface Control Board with Optoc Specifications: Relay module, size 70 x 26 mm/2.8 x 1 inch, height 18 mm/0.7 inch, center distance of mounting holes 64TenNuoDa Timer Switch Module, Relay Module Adjustable Timer Module Size 70 x 26mm Relay Module Interface Control Board with Optoc Specifications: Relay module, size 70 x 26 mm/2.8 x 1 inch, height 18 mm/0.7 inch, center distance of mounting holes 64One enjoy PWM Fan Hub PC Case Fan Controller 4 Pin, Support 10 Computer CPU Fans Splitter (PWM) 10-Port Fan Hub: Supports 10 PWM 4 pin Fans at the same time. Compact design can save space and make the wire more tidy.Waveshare Waveshare Relay Board Compatible with Raspberry Pi to Control High Voltage/High Current Devices The Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home applianF Fityle 5X Mainboard Computer PC Internal Speaker Motherboard CPU Case Alarm Buzzer determine the working of the motherboardGRARRO GRARRO 8Ch Input/Output Digital Switch TTL LvTTL CMOS RS485 IO Control Module Modbus Rtu Board for PLC Relay, (with Term 2 Working current: 10-16MAGoshyda Goshyda Relay Module, 5V Extension Board Module with 8 Relay Controls and Screw Terminal Blocks for Raspberry Pi 4B/3B+ [CONVENIENT CONTROL] - This relay module comes with a relay selection jumper cap, allowing easy switching of control pinDaXuTech 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.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 chipseletechsup 2 in 1 RS232/TTL232 12VDC 8ch PC UART Relay DB9 Serial Port Switch for PLC Camera Industrial Control System (Only Board) Brand Name : eletechsup