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2 Bit 12V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Dual Relay Module 2 Bit 12V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Dual Relay Module 1.Description:   It is a 2-Bit 12V relay module. It is suitable for various platforms such as 51/AVR/AVR/ARM, and can control various household appliances and high current loads. 2.Feature:   1).The contact part of the... $7.69
$10.99 SKU: GY19935
$7.69
$10.99
 31

High Temperature Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller High Temperature Temperature Controller K-type Thermocouple -99~999C LCD Display 10A Relay Switch Controller XY-T04 High Temperature Controller 1.Description: XY-T04 is a K-type digital high temperature controller module. It can be widely used at Smart home,Industrial control, Automatic irrigation, Indoor ventilation. Protection equipment... $13.99
$19.99 SKU: GY20337
$13.99
$19.99
 30

6 Channel SPDT Switch Module, DC 24V Relay Module, AC 270V with Isolated Optocoupler DIN Rail Mount High and Low Level Trigger 6 Channel SPDT Switch Module, DC 24V Relay Module, AC 270V with Isolated Optocoupler DIN Rail Mount High and Low Level Trigger DC 24V 6 Channel SPDT Relay Module With Isolated Optocoupler and DIN Rail Mount Introduction: It is a Q14F 24V Pluggable 6Bit SPDT Power Relay Module. It includes 6pcs intermediate relay with SPDT output control terminal. It is ... $18.89
$26.99 SKU: GY20262
$18.89
$26.99
 30

Single Button Bistable Relay Module DC 12V Car Modification Switch One-key Start-Stop Self-Locking Single Button Bistable Relay Module DC 12V Car Modification Switch One-key Start-Stop Self-Locking 1.Description:   It is a steady state relay module.You can make the relay module pull on or off by pressing the button on the module,or an external button,press it to pull it in,and then press it to disconnect,the button is low lev... $12.59 SKU: GY20041
$12.59

DC 4.5V-6V 0.2s-300minutes Delay Relay Module Power-off Delay Disconnect Switch DC 4.5V-6V 0.2s-300minutes Delay Relay Module Power-off Delay Disconnect Switch 1.Description:   It is a power-off delay relay module.When the module senses the signal voltage input,the relay turns on;when the signal voltage stops input,the relay turns off after a period of delay.It can be used for signal m... $15.59 SKU: GY20036
$15.59

5A Overcurrent Protection Sensor Module AC Current Detection Sensor DC 12V Relay Module 5A Overcurrent Protection Sensor Module AC Current Detection Sensor DC 12V Relay Module 1.Description:   It is a overcurrent protection sensor module. It uses a current transformer to collect AC signals and realizes the relay signal output after an overcurrent in the range of 0-5A. The relay pulls in when there is ... $4.19
$5.99 SKU: GY19799
$4.19
$5.99
 31

DC 12V Timer Relay Control Switch DIY Kit 100s Delay Electronic Soldering Practice Learning Kits DC 12V Timer Relay Control Switch DIY Kit 100s Delay Electronic Soldering Practice Learning Kits 1.Introduction: TME-R1 is a 100s DC 12V Timer Relay Control Switch DIY Kit. It is a very simple delay module. User can set delay by potentiometer and start delay by press button. It is very suitable for starting protection of ele... $3.49
$4.99 SKU: GY19619
$3.49
$4.99
 31

AH3-2 Time Relay DC 12V Adjustable Delay Control Timer 8Pin 1s-30s AH3-2 Time Relay DC 12V Adjustable Delay Control Timer 8Pin 1s-30s Description:   It is a AH3-2 Time Relay.It mainly adjusts the time through the knob, and the delay accuracy is high. The smaller the time range,the more accurate the adjustment time.   Feature:  ... $7.69
$10.99 SKU: GY18963-1
$7.69
$10.99
 31

220V Raindrop Controller Relay Module Raindrop Sensor Module Leaf Surface Humidity Water Switch On 220V Raindrop Controller Relay Module Raindrop Sensor Module Leaf Surface Humidity Water Switch On Description:   It is a 220V raindrop controller.It can be used to monitor various weather conditions,and directly output with a relay to control the startup and shutdown of motors.   Feature:   ... $8.39
$11.99 SKU: GY18957
$8.39
$11.99
 30

AC 110V 220V Power-ON Delay Relay Module AC 220V 7A Voltage Output 180min Adjustable Switch Timer Delay Controller AC 110V 220V Power-ON Delay Relay Module AC 220V 7A Voltage Output 180min Adjustable Switch Timer Delay Controller 1.Description:   It is a delay off switch module.After the switch is energized,the switch is opened,and at the same time,the 220V live wire is output to supply power to the consumer.After a delay,the switch is closed and the out... $5.99 SKU: GY18749
$5.99

DC 12V Pulse Counter High Level Trigger Relay Module 0-10KHz Frequency Counter for Motor Speed Hall Sensor DC 12V Pulse Counter High Level Trigger Relay Module 0-10KHz Frequency Counter for Motor Speed Hall Sensor 1.Description:     YL3S-C1.1 is a 0-10KHz Frequency Pulse Counter. It can detect the number of input signal pulses and through calculations to control the different working states of the load.      No... $8.39
$11.99 SKU: GY18316
$8.39
$11.99
 30

AC 110V 220V Button Control Switch High Level Signal Trigger Countdown Timer Relay Switch Module LED Display AC 110V 220V Button Control Switch High Level Signal Trigger Countdown Timer Relay Switch Module LED Display 1.Description:     YLC-1.1AC220 is a Timer Relay Switch Module .It will start to countdown and turn ON output after get a input trigger signal by press button. Trigger again is invalid during the countdown period.  ... $9.63
$13.75 SKU: GY18314
$9.63
$13.75
 30

RS485 Modbus-RTU 12V 8Bit Relay Module 8-Channel Switch Controller for Arduino RS485 Modbus-RTU 12V 8Bit Relay Module 8-Channel Switch Controller for Arduino 1.Description:   It is a 8 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,8 input and output.   2.Feature:   1>.Modbus serial communicati... $29.99 SKU: GY18157
$29.99

DC 12V 2.4G IoT Wireless Transceiver WIFI Intelligent Controller Switch 10A Relay Module APP Control DC 12V 2.4G IoT Wireless Transceiver WIFI Intelligent Controller Switch 10A Relay Module APP Control 1.Description:   It is a Wifi relay control module.It requires no programming, just download an "eWeLink" APP and link to WIFI to control the built-in cloud.As long as the module is connected to WIFI, the mobile phone ... $13.99 SKU: GY18128
$13.99

DC 12V 2.4G IoT Wireless Transceiver 4Bit WIFI Intelligent Controller Switch 10A Relay Module 4-Channel APP Control DC 12V 2.4G IoT Wireless Transceiver 4Bit WIFI Intelligent Controller Switch 10A Relay Module 4-Channel APP Control 1.Description:   It is a 4 way Wifi relay control module.It requires no programming,just download an "eWeLink" APP and link to WIFI to control the built-in cloud.As long as the module is connected to WIFI,the mobile ph... $25.99 SKU: GY18126
$25.99

RS485 Modbus-RTU 12V 1Bit Relay Module 1-Channel Switch Controller for Arduino RS485 Modbus-RTU 12V 1Bit Relay Module 1-Channel Switch Controller for Arduino 1.Description:   It is a 1 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface.   2.Feature:   1>.Modbus serial communication   2>.Relay switc... $11.59 SKU: GY18123
$11.59

RS485 Modbus-RTU 12V 3Bit Relay Module 3-Channel Switch Controller for Arduino RS485 Modbus-RTU 12V 3Bit Relay Module 3-Channel Switch Controller for Arduino 1.Description:   It is a 3 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,3 input and output.   2.Feature:   1>.Modbus serial communication  ... $14.99 SKU: GY18121
$14.99

RS485 Modbus-RTU 12V 4Bit Relay Module 4-Channel Switch Controller for Arduino RS485 Modbus-RTU 12V 4Bit Relay Module 4-Channel Switch Controller for Arduino 1.Description:   It is a 4 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,4 input and output.   2.Feature:   1>.Modbus serial communication  ... $15.79 SKU: GY18120
$15.79

DC 12V High Temperature Contorller -10C~210C Red+Blue Display Thermostat NTC Sensor Waterproof Metal Probe Relay Output Return Temperature DC 12V High Temperature Contorller -10C~210C Red+Blue Display Thermostat NTC Sensor Waterproof Metal Probe Relay Output Return Temperature 1.Description:   It is a High temperature controller.It can control the temperature of the environment. 2.Feature:   1>.Fast refresh rate   2>.Digital dispiay   3>.High precision   4>.M... $5.59
$7.99 SKU: GY16853
$5.59
$7.99
 31

AC 220V DC 12V WIFI Relay Switch ESP-12F Remote Control Smart Home ESP8266 Relay Module AC 220V DC 12V WIFI Relay Switch ESP-12F Remote Control Smart Home ESP8266 Relay Module 1.Description:   LC-Relay-ESP12-1R-MV single relay development board onboard ESP-12F WiFi module, I/O orifice full lead, support AC90-250V/DC7-12V/USB 5V etc. many supply power way. Provide Arduino develop environment reference ... $6.99
$9.99 SKU: GY16060
$6.99
$9.99
 30


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