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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
 31

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
 30

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
 31

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
 30

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
 30

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
 30

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
 30

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
 30

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
 30

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

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

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


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