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New Products [more]
SDBK03TA 4.2V mini MPPT Solar Charge Controller 4.2V/3.7V Charger Module DC 5V 1A Board for i-ion/Li-PO LiFePO4 Battery
$1.38
OPDIA02 2 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
$1.14
OPDIC08 8 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
$2.55
CTVIB01 10V 0-10V to 4-20mA/0-20mA Voltage to Current Analog IO Module Transmitter V/I Linear Converter for PLC RS485 Sensor
$2.31
OPDIB04 4 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
$1.61
SDBK03TA 3.6V mini MPPT Solar Charge Controller 3.6V/3.2V Charger Module DC 5V 1A Board for i-ion/Li-PO LiFePO4 Battery
$1.38
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UART 485/232/TTL
RS232 Modues & relays
RS232 Modues & relays
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R227A01 2 IN 1 RS232 TTL232 Interface Serial Port Relay UART Switch PC USB MCU For Smart Home Garage Door Car Alarm Farm Motor
$5.12
RT6AF02 USB-TTL Wireless Transceiver Module UART Serial Port Board For Arduino For UNO MEGA2560 Raspberry Pi ESP8266
$3.95
RT59E02 2400-2525MHz RS232 Wireless Transceiver Module RF UART Board for Wifi ESP8266 NodeMCU PC Serial port COM Printers
$3.48
RT48D02 One-to-One One-to-Multiple RS485 Bus Master-Slave Network Transceiver for Modbus RTU PLC Relay Configuration Software
$3.25
RT39D01 USB-TTL Wireless Transceiver Module UART Serial Port Board for Arduino for UNO MEGA2560 Raspberry pi ESP8266
$2.78
N228D02 DC 12V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
$4.18
N228D02 DC 24V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
$4.18
R217A08 5V 8CH RS232 IO Control Switch Relay PLC Expansion Board DB9 Serial Port PC Com Module For Arduino UNO MEGA NANO
$4.42
R217A08 12V 8CH RS232 IO Control Switch Relay PLC Expansion Board DB9 Serial Port PC Com Module For Arduino UNO MEGA NANO
$4.42
CE039 DC 12V 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For Smart Home Garage Door Car Alarm Farm Motor
$7.46
CE039 DC 5V 4 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For Smart Home Garage Door Car Alarm Farm Motor
$7.46
R221A08 DC 12V 8 CH RS232 Relay Board PC USB UART DB9 Remote Control Switch For PLC Smart Home Garage door Car alarm Farm Motor
$12.13
R223B01 1CH DC12V PC COM DB9 RS232 Serial Port Delay Relay ARM MCU UART Switch Module For PLC 3D Printer LED Motor
$4.42
R223C16 16ch DC 12V Serial Port DB9 UART RS232 Relay Module for PLC PC Com 3D Printer LED Home lighting Motor
$21.49
TB351 DC 12V 2 CH DB9 Female/Male RS232 UART Remote Control Switch Board Serial Port Relay Module
$5.12
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