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CP2102 Micro USB to TTL Serial Module UART 6 Pin Serial Converter STC Downloader (Pack of 2)
Limited time offer, ends 11/08
$16.98
Free Shipping
CP2104 Serial Converter USB 2.0 to TTL UART Serial Adapter Module with Cables (Pack of 2)
Limited time offer, ends 11/08
$16.98
Free Shipping
CH341A USB Serial Port Parallel Port Converter Module USB to UART IIC SPI TTL ISP EPP MEM Parallel Converter Module
Limited time offer, ends 11/08
$16.08
Free Shipping
5V USB Relay with Optocoupler Isolation Industrial Grade Support UART Serial Port Signal Control NO/COM/NC Load 2 Channel Relay
Limited time offer, ends 11/10
$53.39
Free Shipping
USB to RS232/485 Serial Converter, Onboard Original FT232RNL Chip, Supports Mac, Linux, Android, Win11/10/8.1/8/7, etc. Multiple Devices Applicable, Multiple Protection, Safe and Stable
Limited time offer, ends 11/07
$58.37
Free Shipping
CableCreation USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industrial Machinery, CNC, Black
Limited time offer, ends 12/02
$41.36
Free Shipping
USB to TTL RS485 Serial Converter Adapter Module FT232RL Module Dual-Function Dual-Protection (Pack of 2)
Limited time offer, ends 11/08
$16.65
Free Shipping
8 Channel Network Relay Module Remote Control Relay Device Ethernet to RS485 TCP Relay Module
Limited time offer, ends 11/07
$109.79
Free Shipping
USB to RS485 Adapter Industrial Isolated Converter with Original FT232RNL Chip, 300bps ~ 512000bps Baud Rate, up to 1.2km RS485 Transmission Distance, Onboard Isolated Transceiver, TVS, etc.
Limited time offer, ends 11/07
$53.87
Free Shipping
8 Channel Network Relay Module Remote Control Relay Device Ethernet to RS485 TCP Relay Module
Limited time offer, ends 11/07
$111.78
Free Shipping
FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V (Pack of 2)
Limited time offer, ends 11/08
$16.08
Free Shipping
12V Dual Way Bluetooth Relay Module 12V 10A Wireless Smart Relay Module IoT Smart Home Phone APP Remote Control Switch
Limited time offer, ends 11/09
$11.99
Free Shipping
Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24V Anti-Reverse Protection for Industrial Home Automation
Limited time offer, ends 11/09
$11.99
Free Shipping
RS232/485/422 to RJ45 ETH Module Serial Server Modbus Gateway MQTT Gateway TCP/IP to Serial, with PoE Function, Bi-Directional Transparent Data Transmission Between RS232/485/422 and Ethernet
Limited time offer, ends 11/07
$103.97
Free Shipping
2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board with Anti-Reverse Connection Protection RS485 TTL Communication
Limited time offer, ends 11/09
$11.99
Free Shipping
4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V~36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 11/07
$83.78
Free Shipping
Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 11/07
$94.78
Free Shipping
Waveshare Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 11/07
$110.39
Free Shipping
Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 11/07
$104.78
Free Shipping
8-CH Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits
Limited time offer, ends 11/07
$91.78
Free Shipping
Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 11/07
$102.78
Free Shipping