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"usb serial uart"
![Brocade 8Gb Fibre Channel SFP [mini-GBIC] Module](https://c1.neweggimages.com/productimage/nb300/BZPFD250505086BYR0A.jpg "Brocade 8Gb Fibre Channel SFP [mini-GBIC] Module")
Industrial Isolated 4-Ch RS485 to RJ45 Ethernet Serial Server Adapter Support Modbus Gateway/MQTT/JSON Bi-Directional Transparent Transmission ETH to RS485 Rail-Mount Serial Module PoE Ethernet Port
Limited time offer, ends 11/09
$108.98
Free Shipping
waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission
Limited time offer, ends 11/07
$84.79
Free Shipping
Serial Server RS485 To Ethernet Gateway Converter TCP/IP To Serial IoT Module Communication Device Communication TCP 232-304
Limited time offer, ends 11/07
$32.49
Free Shipping
waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission
Limited time offer, ends 11/07
$86.79
Free Shipping
AJMRTC AT09 BLE 4.0 Bluetooth Serial Port Module, CC2541 Chip Compatible with HM10, UART Transparent Transmission BLE Module for MCU Serial Communication Wireless DIY Embedded Project
Limited time offer, ends 11/25
$13.73
Free Shipping
Rail-Mount Industrial Isolated Serial Module 4-Ch RS485 to RJ45 Ethernet Serial Server Adapter, 4-CH Independent RS485, Support Modbus Gateway/MQTT/JSON, Bi-Directional Transparent Transmission
Limited time offer, ends 11/04
$112.84
Free Shipping
5pcs ESP8266 ESP-01 Serial Wireless Transceiver WiFi Module 1MB SPI Flash DC3.0-3.6V for Arduino (ESP-01)
Limited time offer, ends 11/08
$26.99
Free Shipping
AJMRTC RS232 to 2.4GHz Wireless Transmission Module, MultiProtocol Serial Transceiver Unit, DC 924V Powered Serial Port Transmitter Receiver for Industrial Equipment Data Communication Projects
Limited time offer, ends 11/25
$19.34
Free Shipping
AJMRTC CH9142 BLE5.3 Micro Bluetooth Module, BLEDTPTBANT Serial Port Transparent Transmission Wireless Module, UART BLE Transceiver for IoT MCU Sensor Serial Data Communication
Limited time offer, ends 11/25
$15.30
Free Shipping
AJMRTC ESP12E WiFi Module, ESP8266 Serial Port Remote Control Wireless Breakout Board, UARTtoWiFi Transparent Transmission Module for IoT Smart Device & MCU DIY Project
Limited time offer, ends 11/25
$21.38
Free Shipping
AJMRTC DualMode Bluetooth 5.1 Module for Raspberry Pi Pico, SPP and BLE Wireless Communication Board, Serial Transceiver Module for DIY Electronic Project Development, Clock Module Not Included
Limited time offer, ends 11/25
$21.52
Free Shipping
RS232/RS485 To Network Port Module Dual Serial Port ETH RJ45 Industrial Grade Two-Way Transparent Transmission EU Plug-AB01
Limited time offer, ends 11/08
$58.51
Free Shipping
AJMRTC DC 924V RS232 to 2.4GHz Wireless Transmission Module, MultiProtocol Serial Port Transceiver Module for Industrial Data Communication, Serial Signal Transmitter Receiver Replacement Unit
Limited time offer, ends 11/25
$19.34
Free Shipping
AJMRTC CH9142 Micro Bluetooth Module BLEDTPTBANT, BLE5.3 Serial Port Transparent Transmission Dual UART Wireless Module, AT Command Configurable for IoT Sensor MCU DIY Electronic Projects
Limited time offer, ends 11/25
$15.30
Free Shipping
AJMRTC ESP01S ESP8266 Serial to WiFi Module, Industrial Grade LowPower Wireless Transceiver Board, UART Serial Port to WiFi Converter for IoT Embedded DIY Smart Hardware Projects
Limited time offer, ends 11/25
$18.87
Free Shipping