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RF Wireless Electronics Technology

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UART Relay Modules

DC 12V 8 Digital Switch to RS485 Acquisition Board Modbus Rtu TTL IO PLC Module

AU $7.55

8ch RS485 to In/Out IO NPN PNP Controller Modbus RTU UART PLC Board Relay Module

AU $6.04 to AU $9.06

DC5V/12V/24V 4ch Dip Switch relay module Flip-Flop Latch Bistable Self-locking

AU $7.55 to AU $7.94

2 in 1 DC 12V PC COM DB9 RS232 Serial Port Delay Relay UART Switch PLC Module

AU $7.40

2 IN 1 8Ch Network Ethernet RS485 Relay Modbus RTU Slave TCP/IP UDP UART Switch

AU $40.23 to AU $71.83

8CH 12V RS232 Serial port Relay Module Switch Board for PLC Lamp LED Smart home

AU $27.20

12V 24V DC Motor Controller Relay Board Forward Reverse Control Limit Start Stop

AU $7.94

USB TTL232 UART PC MCU COM Relay Module CH340 WIN10 Linux MAC 8ch DC 5V 12V 24V

AU $2.07 to AU $26.0831% off

DC 12V Car ACC Trigger Delay Power-off Switch Relay Module for Car Door Sensor

AU $1.50 to AU $3.77

8ch Modbus Rtu AT Command RS232(TTL)PLC Module PC UART IO Control Switch Board

AU $7.55

DC 12V 4Ch RS232 Relay Board SCM PC USB UART DB9 Remote Control Switch PLC Motor

AU $18.14

8ch 5V 12V 24V RS232 IO Control Switch Board Com DB9 Serial port Relay Module

AU $7.40 to AU $7.55

DC 12V 2Ch RS232 Relay Board Remote Control USB PC UART COM Serial Ports

AU $10.4231% off

4CH 12V Modbus RTU PC UART RS485 Relay Board for PLC Lamp LED PTZ Camera Control

AU $18.14

2ch DC 12V 4-20MA Current Analog Acquisition ADC module RS485 Modbus RTU Board

AU $4.52 to AU $4.83

DC 12V 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module

AU $7.55 to AU $30.18

5x 8ch 5V 12V 24V RS232 IO Control Switch Board Com DB9 Serial port Relay Module

AU $35.13 to AU $35.31

DC 12V 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function

AU $27.22 to AU $36.29

2xDC 12V 24V 8I8O Multifunction MOSFET Module RS485 Modbus RTU 03 06 16 Function

AU $51.27 to AU $66.10

32ch DC 12V 24V PNP NPN Input RS485 Modbus RTU PLC IO Switch Digital Collector

AU $30.24 to AU $37.81

2x DC 12V 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module

AU $13.60 to AU $49.89

4xDC 12V 8 Digital Switch to RS485 Acquisition Board Modbus RtuTTL IO PLC Module

AU $28.73

8xDC 12V Car ACC Trigger Delay Power-off Switch Relay Module for Car Door Sensor

AU $11.33 to AU $27.22

2xDC 12V 24V 32ch PNP NPN Input RS485 Modbus RTU PLC IO Switch Digital Collector

AU $58.99 to AU $73.51

2 IN 1 RS232 & TTL232 Serial Port Relay PC USB MCU PLC UART Switch Module Board

AU $7.55

2 IN 1 8Ch Network Ethernet RS485 Relay Modbus RTU Slave TCP/IP UDP UART Switch

AU $21.16 to AU $37.81

DC 12V 24V 32ch RS485 Modbus Controller RTU PLC DIN35 Rail Box Relay LED Driver

AU $24.19 to AU $30.24

2xDC 12V8Ch RS485 Relay Modbus RTU 03 06 16 Function Code DIN Shell Switch Board

AU $59.27

8ch DC 12V DIN Rail RS485 UART Relay PLC Board Modbus RTU Remote Control Switch

AU $22.66 to AU $30.23

12ch Digital IO UART RS485 Relay Module Modbus RTU DIN35 C45 Rail Box PLC PTZ

AU $39.32 to AU $48.40

DC 12V 24V 32Ch Modbus RTU RS485 Bus Relay Module UART Serial port DIN35 Rail

AU $75.63 to AU $80.17

1/2PCS 2 IN1 12 DIO Ethernet/RS485 Relay Switch Module Modbus RTU TCP/IP Network

AU $63.52 to AU $114.34

2xDC 12V 24V RS485 IO Board 8 Optically Isolated NPN Input & 8 Output Modbus

AU $53.69 to AU $71.15

16ch 12V RS232 Serial Port DB9 Relay Board UART Smart Switch Module LED Motor

AU $31.3031% off

DC 12V DIN35 Rail Box 16Ch RS485 Modbus RTU Relay Module UART Switch PLC Board

AU $39.32 to AU $48.40

5 PCS 4-20MA DC 12V 2ch 0-20MA Current Analog Acquisition RS485 Modbus RTU ADC

AU $22.68 to AU $24.19

3x DC12V 2 in 1 PC COM DB9 RS232 Serial Port Delay Relay UART Switch PLC Module

AU $21.16

5 PCS Modbus Rtu AT Command 8ch TTL232 UART IO Output Module for Relay PLC

AU $30.09 to AU $30.24

2x8ch DC12V DIN Rail RS485 UART Relay PLC Board Modbus RTU Remote Control Switch

AU $43.84 to AU $58.97

DC 12V 24V 32ch RS485 Modbus Controller RTU PLC DIN35 Rail Box Relay LED Driver

AU $45.37 to AU $58.99

32ch 03 06 16 Modbus RTU Code Relay PLC IO Module Serial port UART Switch Board

AU $90.76 to AU $93.78

DC 12V 8Ch RS485 Relay Modbus RTU 03 06 16 Function Code DIN Shell Switch Board

AU $30.24

DC 12V 10A 32ch Modbus RTU RS485 Relay Switch Board UART PLC LED PTZ IP Camera

AU $43.8331% off

2x 15ch RS485 RS232 Modbus RTU Relay PLC DO Board Serial Port Switch Controller

AU $132.81 to AU $132.97

DC 12V 24V 8I8O Multifunction MOSFET Module RS485 Modbus RTU 03 06 16 Function

AU $27.22 to AU $34.78

2 PCS 32ch 03 06 16 Modbus RTU Code Relay PLC IO Serial port UART Switch Board

AU $175.48 to AU $181.53

2PCS DC 5V 12V 24V 8 Ch USB COM Serial Port UART Relay Board RS232 TTL CH340

AU $71.09 to AU $71.83

2 PCS DC 12V 24V 32Ch Modbus RTU RS485 Bus Relay Module UART Serial port DIN35 R

AU $146.73 to AU $154.30

About us

Specialize in RF Wireless Radio Transmitting Units and Receiving Units, the product include transmitters with case, receivers with relay(s), transmittng modules and receiving modules, are widely applied in RC toy, remote sensing, telemetry, fireworks, industrial control, home&garden application.
Location: ChinaMember since: 29 February 2012Seller: canton-electronic
Top Rated SellerRF Wireless Electronics Technology is one of eBay's most reputable sellers. Consistently delivers outstanding customer service Learn more

Detailed seller ratings

Average for the last 12 months

Accurate description
5.0
Reasonable postage costs
5.0
Postage speed
5.0
Communication
5.0

Seller Feedback (29,813)

g***l (5219)- Feedback left by buyer.
Past 6 months
Verified purchase
I received the item as listed. Good packing, shipping and seller. Thank you.
-***n (302)- Feedback left by buyer.
Past year
Verified purchase
Consider the distance, this seller was able to deliver goods very fast. Well packaged. Thank you so much. Fair price. I'm happy customer.
r***r (1486)- Feedback left by buyer.
Past 6 months
Verified purchase
Great seller_as described_couldn't ask for anything else_Thanks!
_***2 (754)- Feedback left by buyer.
Past 6 months
Verified purchase
package arrived in good condition - good price - now i need to reprogram for 120mA - thank you
-***c (234)- Feedback left by buyer.
Past 6 months
Verified purchase
Arrived in a timely fashion. Item is as expected. Great transaction. A+++
c***c (1485)- Feedback left by buyer.
Past month
Verified purchase
*** Great seller - Fast shipping ***