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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
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
Power-ON Delay Relay Switch Module DC 12V 60s Programmable Delay Controller
Parameter:
1>.Model: YS-RT1T
2>.Supply voltage: DC 12V
3>.Working current: 68mA
4>.Stand-by current: 2.8mA
5>.Output type: Relay(It can not output voltage)
...
$3.26
$4.35
SKU: 13836
$3.26
$4.35
25
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.
 ...
$10.31
$13.75
SKU: GY18314
$10.31
$13.75
25
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
AC 220V 99s 99min Delay Relay Module 10A Switch Controller Adjustable Trigger Delay Circuit Board JK13P-AR
1.Description:
JK13P-AR is a trigger delay module.User can adjust delay time by potentiometer to meet require.
2.Feature:
1>.High voltage trigger
2>.Delay time can be set
3...
$4.49
$5.99
SKU: 15144
$4.49
$5.99
26
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
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
DC 12V 10minute Delay Relay Module 10A Switch Controller Adjustable Trigger Delay Circuit Board
1.Description:
QF1025 is a trigger delay module.User can adjust delay time by potentiometer to meet require.
2.Feature:
1>.Low level trigger
2>.Support input reverse connection protec...
$3.74
$4.99
SKU: 15148
$3.74
$4.99
25
DC 12V Photosensitive Sensor Controller Relay Driver Waterproof Brightness Adjustable Switch
1.Description:
The precision 1-channel photo-relay module adopts genuine high-quality industrial-grade components, military-grade double-sided PCB board, and has two-color LED signal indicator; the layout is comprehensive, the...
$4.87
$6.95
SKU: 14748
$4.87
$6.95
30
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 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
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
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
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
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 ...
$20.24
$26.99
SKU: GY20262
$20.24
$26.99
25
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
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
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
30
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....
$9.74
$12.99
SKU: GY19936
$9.74
$12.99
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