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8-Channel RS485 Multifunctional Delay Relay Module DC 12V Modbus RTU Controller
1.Description:
R421A08 8 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 8bit input signal ...
$15.19
$18.99
SKU: 15080
$15.19
$18.99
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
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
Dual Modbus Relay Module 2Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller
1.Description:
LC 2 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip, adopt standard MODBUS RTU format RS485 communication protocol. It can realize 2bit input signal dete...
$7.19
$8.99
SKU: 15045
$7.19
$8.99
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
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)
...
$3.48
$4.35
SKU: 13836
$3.48
$4.35
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.
...
$11.00
$13.75
SKU: GY18314
$11.00
$13.75
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...
$4.79
$5.99
SKU: 15144
$4.79
$5.99
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...
$3.99
$4.99
SKU: 15148
$3.99
$4.99
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
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:
...
$8.79
$10.99
SKU: GY18963-1
$8.79
$10.99
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
LM393 5V 1Bit Voltage Comparator Single Channel Relay Control Circuit Module
1.Description:
It is a DC 5V 1Bit Voltage Comparator Module.It controls the output state of the relay by comparing the two voltages.
2.Features:
1>.Settable reference voltage
2>.Input...
$5.95
$8.50
SKU: 14753
$5.95
$8.50
30
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
