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AC 110V 120V Programmable Digital Cycle Delay Relay Timer Switch Module, AC 85V-265V LED Display 0ms-999h AC 110V 120V Programmable Digital Cycle Delay Relay Timer Switch Module, AC 85V-265V LED Display 0ms-999h ICStation Digital Timer Relay AC 85-265V 110V 220V 2000W 10A HD LED Dual Time Display Relay Switch Panel   MULTIFUNCTION: support 18 working modes including time delay relay open, time delay relay close, time delay relay... $12.99 SKU: 12364
$12.99

DC 5V ESP8266 WIFI 4 Channel Relay Module Remote Control Switch IOT Wireless Transmitter For Smart Home DC 5V ESP8266 WIFI 4 Channel Relay Module Remote Control Switch IOT Wireless Transmitter For Smart Home 1.Description:     It is 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with professional switching power supply circuit.    It could control the relay by Android phone APP wi... $9.09
$12.99
SKU: 13404
$9.09
$12.99

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WiFi Self-Locking/Inching Relay Delay Switch Module Low Power Smart Home Remote Control Compatible with iOS Andriod 2G/3G/4G Network WiFi Self-Locking/Inching Relay Delay Switch Module Low Power Smart Home Remote Control Compatible with iOS Andriod 2G/3G/4G Network Product Introduction: 1.Size: 5.2*2.8*2cm 2.Operating Voltage: DC 12V 3.Operating Current: 250mA 4.Quiescent Current: 90mA 5.Output Port:NO NC,mechanical switch output port 6.Port Withstand Voltage:AC 0-250V/7A;DC... $8.39
$11.99
SKU: 10958
$8.39
$11.99

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ESP8266 WiFi 12V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100M ESP8266 WiFi 12V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100M Description: The 12V dual WiFi relay module uses ESP-01 as the WiFi module and is compatible with 8 bit MCU chips. Only a simple configuration process can realize the wireless control of the 2 way relay by using the mobile phone APP in... $6.99
$9.99
SKU: 12593
$6.99
$9.99

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ESP8266 WiFi 5V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100m ESP8266 WiFi 5V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100m Description: The 5V dual WiFi relay module uses ESP-01 as the WiFi module and is compatible with 8 bit MCU chips. Only a simple configuration process can realize the wireless control of the 2 way relay by using the mobile phone APP in ... $6.99
$9.99
SKU: 12592
$6.99
$9.99

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Thermostat Digital Temperature Controller LCD Display NTC 10K B3950 Sensor Relay Module Thermostat Digital Temperature Controller LCD Display NTC 10K B3950 Sensor Relay Module Description: It is a digital temperature controller module.LCD display, very clear, easy to use, powerful.It can be widely used at Smart home,Industrial control, Automatic irrigation, Indoor ventilation,  protection equipment. ... $6.99
$9.99
SKU: 13338
$6.99
$9.99

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AC 220V ESP8266 WiFi Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100M AC 220V ESP8266 WiFi Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100M Description: AC 220V one channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with Professional switching power supply circuit.It could control the relay by Android phone APP within the local area network (LAN)... $9.79
$13.99
SKU: 13345
$9.79
$13.99

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SHT20 Humidity Temperature Controller DC 12V 0-100%RH -20-60 Celsius Digital LCD Display 2-Channel Relay Module SHT20 Humidity Temperature Controller DC 12V 0-100%RH -20-60 Celsius Digital LCD Display 2-Channel Relay Module Description: XY-TR01 Temperature and humidity control module high precision digital display word double output automatic constant temperature and humidity control panel. Product adopts industrial-grade chip, high-precision SHT20 temp... $11.89
$16.99
SKU: 13319
$11.89
$16.99

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DC 12V-24V Voltage Detection Charging Discharge Monitor Relay Switch Battery Charging Control Battery Protection Board DC 12V-24V Voltage Detection Charging Discharge Monitor Relay Switch Battery Charging Control Battery Protection Board Product Introduction: 1.Model:XH-M603 2.Input Voltage:DC 10-30V 3.Display Precision:0.1V 4.Control Precision:0.1V 5.Output Type:direct output 6.Voltage Tolerance:+/-0.1V 7.Application Fields:12-24V storage battery 8.Size:... $5.31
$7.59
SKU: 11313
$5.31
$7.59

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Wifi Relay Switch Module High Power Self-Lock Mode AC 220V 6.8x3.3x2.6cm for Remote Control Wifi Relay Switch Module High Power Self-Lock Mode AC 220V 6.8x3.3x2.6cm for Remote Control Product Introduction: 1.Size:6.8*3.3*2.6cm 2.Operating Voltage:AC 110-250V 3.Output Port:NO NC;mechannical switch output port 4.Port Withstand Voltage:AC 0-250V/25A;DC 0-30V/25A 5.Control Way:wifi network control,supp... $11.19
$15.99
SKU: 10963
$11.19
$15.99

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Micro USB Digital LCD Display Time Delay Relay Module 6-30V Control Timer Switch Trigger Cycle Module Micro USB Digital LCD Display Time Delay Relay Module 6-30V Control Timer Switch Trigger Cycle Module Description: It is a multifunction delay relay module.LCD display, very clear, easy to use, powerful. It can be widely used at Smart home, Industrial control, Automatic irrigation, Indoor ventilation, Protection equipment.   ... $5.43
$7.75
SKU: 13286
$5.43
$7.75

31

5V 1 Channel Relay Module Shield for Arduino ARM PIC AVR DSP SRD 5V 1 Channel Relay Module Shield for Arduino ARM PIC AVR DSP SRD 5V 1 Channel Relay Module Shield for Arduino ARM PIC AVR DSP SRD-05VDC-SL-C   1. Introduction   The item is a 5V 1-Channel Relay interface board, it can be controlled directly by a wide range of microcontrollers... $1.29
$1.84
SKU: 1706
$1.29
$1.84

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3 Channel DC 3.3V 5V Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino 3 Channel DC 3.3V 5V Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino Product Introduction: 1.Size:63*42*20mm 2.Power Supply Voltage:5V 3.Trigger Level:3V-7V trigger 4.Trigger Current:5mA 5.Control Voltage:AC 0-250V or DC 0-30V 6.Control Current:0-7A 7.Function:weak current control strong cur... $3.99 SKU: 9665
$3.99

5V 2-Channel Relay Module for Arduino PIC ARM DSP AVR Electronic 5V 2-Channel Relay Module for Arduino PIC ARM DSP AVR Electronic Features Relay output(Max): DC 30V/10A, AC 250V/10A Optocoupler isolation, good anti-interference. VCC: system power supply; JD_VCC: Relay power supply This relay has a common end, a Normal-open end and a Normal-close end... $1.60
$2.29
SKU: 1647
$1.60
$2.29

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Heating Cooling NTC Digital Temperature Controller -40~110C LCD Display 10A Relay Switch Controller Heating Cooling NTC Digital Temperature Controller -40~110C LCD Display 10A Relay Switch Controller 1.Description: XY-ST10 is an automatic timed heating/cooling NTC digital temperature controller module. It can be widely used at smart home,Industrial control, Automatic irrigation,Indoor ventilation,Protection equipment. XY-ST10 ado... $8.39
$11.99
SKU: GY21332-1
$8.39
$11.99

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DC 7V-30V 2-Channel Delay Module Switch Controller Motor Forward Reverse Relay Module DC 7V-30V 2-Channel Delay Module Switch Controller Motor Forward Reverse Relay Module 1.Introduction: It is a DC 7-30V double two-way delay control switch solenoid valve high-power motor forward and reverse relay module. 2.Feature: 1>.Wide voltage range. 2>.High-power. 3>.Power-off memory. 4>.Ti... $13.29
$18.99
SKU: GY21284-1
$13.29
$18.99

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WIFI High Temperature Controller APP Remote Control K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller WIFI High Temperature Controller APP Remote Control K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller 1.Description: XY-WT04-W is a wireless WIFI K-type digital high temperature controller module with APP Sinilink control. It can be widely used at smart home,Industrial control, Automatic irrigation, Indoor ventilation. Protection equip... $13.29
$18.99
SKU: GY21223-1
$13.29
$18.99

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High Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller High Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller 1.Description: XY-WT04 is a K-type digital high temperature controller module. It can be widely used at smart home, Industrial control, Automatic irrigation, Indoor ventilation. XY-WT04 high temperature control module has high pre... $8.75
$12.50
SKU: GY21222-1
$8.75
$12.50

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DC 12V 24V RES485 Modbus RTU Relay Controller,16CH-IN-NPN 16CH-OUT Programmable Switch Optocoupler Isolator for PLC DC 12V 24V RES485 Modbus RTU Relay Controller,16CH-IN-NPN 16CH-OUT Programmable Switch Optocoupler Isolator for PLC 1.Description:  The Optocoupler Isolator for PLC is an expansion board used to increase the number of control objects to meet the control requirements of the system. In MODBUS mode, a maximum of 64 devices can be connected in para... $21.99 SKU: GY21188-1
$21.99

DC 0-99.9V Voltage Monitor Module Programmable Delay Relay Switch Controller Battery Protector DC 0-99.9V Voltage Monitor Module Programmable Delay Relay Switch Controller Battery Protector 1.Description: A30-U1 is a DC 99.9V Voltage Monitor Module with Delay. It can flexibly set detection upper and lower limit voltage values and set triggering conditions.It can realize functions such as voltage detection, overvoltage and... $14.99 SKU: GY21111-1
$14.99

24V 4 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 24V 4 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description:   It is a 24V 4 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter:   1>.Power supply: 24V   2>.Static current: 0mA   3>.Single c... $7.99 SKU: GY21084-1
$7.99

24V 2 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 24V 2 Channel Relay Module Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description:   It is a 24V 2 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter:   1>.Power supply: 24V   2>.Static current: 0mA   3>.Single c... $3.49
$4.99
SKU: GY21083-1
$3.49
$4.99

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12V 1 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 12V 1 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification 1.Description:   It is a 12V 1 Channel Relay Module/Switch Optocoupler Fully Isolated Microcontroller PLC Amplification. 2.Parameter:   1>.Power supply: 12V   2>.Static current: 0mA   3>.Single c... $3.59 SKU: GY21082-1
$3.59

5V Delay Relay Module with Edge-Triggered Control and Loop Cycle for Seamless Switching 5V Delay Relay Module with Edge-Triggered Control and Loop Cycle for Seamless Switching 1.Description:    It is a 5V Delay Relay Module with Edge-Triggered Control and Loop Cycle for Seamless Switching 2.Parameter:   1>.Power supply: DC 5V   2>.Input signal: High-level (PNP), Low-level (... $10.99 SKU: GY21080-1
$10.99

DC 12V 5-Channel Self-locking Relay Module 5Bit 10A High/Low Level Trigger Select Switch Controller DC 12V 5-Channel Self-locking Relay Module 5Bit 10A High/Low Level Trigger Select Switch Controller 1.Description:   It is a latching relay module.It has 5 relay channels and can connect 5 loads. 2.Feature:   1).The self-locking relay module has a power indicator and a working indicator,and the working status of the ... $11.99 SKU: GY20640
$11.99

DC 5-60V ESP32 Single Channel Wireless WIFI Relay Module ESP32-WROOM Development Board DC 5-60V ESP32 Single Channel Wireless WIFI Relay Module ESP32-WROOM Development Board 1.Description:    DC powered ESP32 single-channel relay development board equipped with ESP32-WROOM-32EWiFi&BLE mode Blocks, I/O ports are all led out, and support DC5-60V power supply mode. It is suitable for ESP32 secon... $9.37
$13.39
SKU: GY20985-1
$9.37
$13.39

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8 Channel ESP8266 Wireless WIFI Relay Module ESP-12F Development Board 8 Channel ESP8266 Wireless WIFI Relay Module ESP-12F Development Board 1.Description:    This ESP8266 WIFI 8-Channel Relay Module ESP-12F Development Board is perfect for Arduino development environment with reference code and is suitable for ESP8266 secondary development and learning, smart hom... $13.29
$18.99
SKU: GY20984-1
$13.29
$18.99

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ESP8266 WIFI 4 Channel Relay Module ESP-12F Development Board ESP8266 WIFI 4 Channel Relay Module ESP-12F Development Board 1.Description:   This ESP8266 WIFI 4-Channel Relay Module is an ideal choice for home automation system. It supports WiFi connection, enabling you to control your appliances or devices remotely. It can be used to switch on/off lig... $9.79
$13.99
SKU: GY20982-1
$9.79
$13.99

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DC 7-28V Modbus RTU Network Relay Module W5500 Ethernet LAN Controller DC 7-28V Modbus RTU Network Relay Module W5500 Ethernet LAN Controller 1.Description:     Modbus RTU Network Relay Module W5500 Ethernet LAN Controller equipped with mature and stable 32-bit MCU and W5500 all-hardware TCP/IP protocol stack network chip. Reserved MCU debugging interface to s... $29.99 SKU: GY20821-1
$29.99

DC 7V-30V Dual Cycle Relay MOS Controller Module Adjustable Time 100s-ON 100s-OFF Power-ON Trigger Control Switch DC 7V-30V Dual Cycle Relay MOS Controller Module Adjustable Time 100s-ON 100s-OFF Power-ON Trigger Control Switch 1.Description:    It is a DC 7V-30V Dual Cycle Relay MOS Controller Module Adjustable Time 100s-ON & 100s-OFF Power-ON Trigger Control Switch. 2.Feature:   1>.High timer precision   2>.Stable and ... $5.59 SKU: GY20803-1
$5.59

DC 12V 24V Self-locking Relay Module ON OFF Bistable Switch Controller DC 12V 24V Self-locking Relay Module ON OFF Bistable Switch Controller 1.Description:    It is a DC 12V 24V Self-locking Relay Module ON/OFF Bistable Switch Controller. 2.Feature:   1>.Anti-reverse protection   2>.Power off hold function   3>.Wide voltage input... $6.99 SKU: GY20805-1
$6.99

DC 12V-24V Ultrasonic Range Finder Module Relay Switch 5-500cm Adjustable Distance Tester for Alarm DC 12V-24V Ultrasonic Range Finder Module Relay Switch 5-500cm Adjustable Distance Tester for Alarm 1.Description:    It is a DC12V-24V Ultrasonic Range Finder Module Relay Switch 5-500cm Adjustable Distance Tester for Alarm. 2.Feature:   1>.High measurement accuracy   2>.Strong anti-interference ... $19.59
$27.99
SKU: GY20850-1
$19.59
$27.99

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Wireless Remote Control Switch DC 12V Relay Module Lockless Self-locking Delay Controller Wireless Remote Control Switch DC 12V Relay Module Lockless Self-locking Delay Controller 1.Description:    It is a Wireless Remote Control Switch DC 12V Relay Module Lockless/Self-locking/Delay Controller. 2.Feature:   1>.Smart, convenient and safe   2>.Stable and reliable performance &... $6.29
$8.99
SKU: GY20767-1
$6.29
$8.99

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DC 5V-30V Time Delay Switch,12V 24V10A Programmable Relay Switch Module, LED Display Digital Time Cycle 0.1s-999mins ON-Off Control DC 5V-30V Time Delay Switch,12V 24V10A Programmable Relay Switch Module, LED Display Digital Time Cycle 0.1s-999mins ON-Off Control Description: WIDE VOLTAGE: Working voltage is DC 5V-30V, suitable for most equipment, very convenient. Support micro USB 5V power supply. It can be used to control the equipment within DC 30V 5A or within AC 220V 5A. TRIGGER: Sup... $9.99 SKU: GY20599
$9.99

DC 5V 16-Channel Wireless WIFI Module IoT ESP32 Relay Driver Remote Controller 16Bit Switch Module APP Transceiver DC 5V 16-Channel Wireless WIFI Module IoT ESP32 Relay Driver Remote Controller 16Bit Switch Module APP Transceiver 1.Description:   It is a 16-bit relay driver module.It can realize mobile phone, computer, remote control. 2.Feature:   1>.Built-in test code   2>.Multi-bit IoT control   3>.ESP32 main control ch... $11.89
$16.99
SKU: GY18022
$11.89
$16.99

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AC 110V 220V Trigger Delay Cycle Timing Relay Switch Control Module AC 110V 220V Trigger Delay Cycle Timing Relay Switch Control Module 1.Description:   It is a 220V one channel relay module.It can adjust trigger delay,cycle timing.There are 4 working modes to choose from.   2.Feature:   1).It has a digital display that can display numbers ... $6.99
$9.99
SKU: GY20509
$6.99
$9.99

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PID Digital Temperature Controller Thermostat NTC Sensor Heating Cooling Relay Switch for Industrial/Home PID Digital Temperature Controller Thermostat NTC Sensor Heating Cooling Relay Switch for Industrial/Home PID Digital Temperature Controller   1.Description:   It is a PID Digital Temperature Controller with industrial-grade chip, high-precision NTC temperature sensor.   LED digital tube dual display, very clea... $11.89
$16.99
SKU: GY20490
$11.89
$16.99

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12V DC Digital Temperature Controller, WiFi APP Control High Temperature Control Module -99°C~999°C 24V Thermostat Control Switch Board with 10A One-Channel Relay Waterproof K-Type Thermocouple Probe 12V DC Digital Temperature Controller, WiFi APP Control High Temperature Control Module -99°C~999°C 24V Thermostat Control Switch Board with 10A One-Channel Relay Waterproof K-Type Thermocouple Probe About this item: 【APP CONTROL】Are you also worried about whether your heating equipment is working properly when you are not at home? Comes with a WiFi module, just connect to the WiFi network once and download the APP, ... $15.39
$21.99
SKU: GY20338
$15.39
$21.99

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Modbus RTU 1-Channel Relay Module, RS485 Communication Protocol/TTL UART Relay Modbus RTU 1-Channel Relay Module, RS485 Communication Protocol/TTL UART Relay 1.Description:   It is a single relay module. The single channel relay module is equipped with a mature and stable 8-bit MCU and RS485 level communication chip. Using standard MODBUSRTU format RS485 communication protocol, it can ... $15.99 SKU: GY19918
$15.99

1 Channel Self-Locking Switch High Level Trigger 12V Relay Module 1 Channel Self-Locking Switch High Level Trigger 12V Relay Module 1.Description:   It is a 12V self-locking relay module.When the K terminal is in contact with the positive pole,the state of the relay is reversed.Touch it once,the relay is closed,and touch it again,the relay is released. 2.... $9.09
$12.99
SKU: GY19936
$9.09
$12.99

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