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$29.99
RS232 Breakout Tester LED Monitor Module, DB9M/F X DB25M/F Breakout Module
Amazon.com
203
$29.99
RS232 Breakout Tester LED Monitor Module, DB9M/F X DB25M/F Breakout Module
Amazon.com
203
$475.00
PHOENIX CONTACT PSM-ME-RS232/RS232-P - Controls & Indicators & Conversion Module Supplies
Radwell.com
$475.00
PHOENIX CONTACT PSM-ME-RS232/RS232-P - Controls & Indicators & Conversion Module Supplies
Radwell.com
$29.77
USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
Amazon.com
$29.77
USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
Amazon.com
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
170
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
170
$436.00
PHOENIX CONTACT PSM-ME-RS232/RS485-P - Controls & Indicators & Conversion Module Supplies
Radwell.com
2
$436.00
PHOENIX CONTACT PSM-ME-RS232/RS485-P - Controls & Indicators & Conversion Module Supplies
Radwell.com
2
$354.24
PHOENIX CONTACT FL COM SERVER RS232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$354.24
PHOENIX CONTACT FL COM SERVER RS232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$45.00
FTDI CHIP USB-RS232-PCBA - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$45.00
FTDI CHIP USB-RS232-PCBA - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$1.29
MAX3232 RS232 To TTL Serial Port Converter Module Female DB9 Connector MAX232 Flashing Board
AliExpress
$1.29
MAX3232 RS232 To TTL Serial Port Converter Module Female DB9 Connector MAX232 Flashing Board
AliExpress
$8.12
Communication Module USB To RS485/RS232 Bidirectional Half Duplex Serial Port Line Converter Industrial Grade Converter CH343G
AliExpress
3
$8.12
Communication Module USB To RS485/RS232 Bidirectional Half Duplex Serial Port Line Converter Industrial Grade Converter CH343G
AliExpress
3
$14.99
Avanexpress DB9 Female Connector Breakout Board RS232 Serial To DSUB Terminal Block Connector Signal Module (Pack Of 3)
Amazon.com
$14.99
Avanexpress DB9 Female Connector Breakout Board RS232 Serial To DSUB Terminal Block Connector Signal Module (Pack Of 3)
Amazon.com
$144.82
PHOENIX CONTACT IB IL RS 232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$144.82
PHOENIX CONTACT IB IL RS 232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$1.97
CH340 Module Instead Of PL2303 CH340G CH340E RS232 To TTL Module Upgrade USB To Serial Port In Nine Brush Plate For Arduino
AliExpress
$1.97
CH340 Module Instead Of PL2303 CH340G CH340E RS232 To TTL Module Upgrade USB To Serial Port In Nine Brush Plate For Arduino
AliExpress
$19.87
Mikroelektronika MIKROE-1582 Click Board, Rs232, Gpio/Uart, 3.3/5V | Embedded Daughter Boards & Modules
Newark
$19.87
Mikroelektronika MIKROE-1582 Click Board, Rs232, Gpio/Uart, 3.3/5V | Embedded Daughter Boards & Modules
Newark
$8.59
YIOVVOM DB9 Breakout Connector, Male 9PIN Port RS232 Serial Adapter, Solderless Module Board With Screw Terminals, Case, Long Bolts
Amazon.com
1K+
$8.59
YIOVVOM DB9 Breakout Connector, Male 9PIN Port RS232 Serial Adapter, Solderless Module Board With Screw Terminals, Case, Long Bolts
Amazon.com
1K+
$510.00
PHOENIX CONTACT PSM-EG-RS232/RS485-P/2D - Controls & Indicators & Conversion Module Supplies
Radwell.com
1
$510.00
PHOENIX CONTACT PSM-EG-RS232/RS485-P/2D - Controls & Indicators & Conversion Module Supplies
Radwell.com
1
$453.19
FL COM SERVER RS232 - Phoenix Contact PLC Module Automation (New)
Electrical.com
$453.19
FL COM SERVER RS232 - Phoenix Contact PLC Module Automation (New)
Electrical.com
$104.39
RS232C - Sato PLC Module Automation (New)
Electrical.com
$104.39
RS232C - Sato PLC Module Automation (New)
Electrical.com
$922.13
PSM-ME-RS232/RS485-P - Phoenix Contact Conversion Module Automation (New)
Electrical.com
2
$922.13
PSM-ME-RS232/RS485-P - Phoenix Contact Conversion Module Automation (New)
Electrical.com
2
$222.59
SA-232 Edwards RS-232 Interface Card
Valin Process Control Solutions
$222.59
SA-232 Edwards RS-232 Interface Card
Valin Process Control Solutions
$0.92
Stmicroelectronics ST232CDR Transceiver, Rs232, 220Kbps, Soic-16 | Serial Communications RS232 RS485 RS422
Newark
$0.92
Stmicroelectronics ST232CDR Transceiver, Rs232, 220Kbps, Soic-16 | Serial Communications RS232 RS485 RS422
Newark
$165.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$165.00
Allen-Bradley 1769-ASCII Compactlogix RS232/RS485/RS422 ASCII, A
PLCHardware.com
$7.39
Maxim Integrated/Analog Devices MAX3237EAI+T Rs232 Txrx, 1Mbps, 5.5V, Ssop-28 | Serial Communications RS232 RS485 RS422
Newark
$7.39
Maxim Integrated/Analog Devices MAX3237EAI+T Rs232 Txrx, 1Mbps, 5.5V, Ssop-28 | Serial Communications RS232 RS485 RS422
Newark
$8.84
Maxim Integrated/Analog Devices MAX3227EAAE+ Rs232 Txrx, 1Mbps, 5.5V, Ssop-16 | Serial Communications RS232 RS485 RS422
Newark
$8.84
Maxim Integrated/Analog Devices MAX3227EAAE+ Rs232 Txrx, 1Mbps, 5.5V, Ssop-16 | Serial Communications RS232 RS485 RS422
Newark
$5.53
Analog Devices MAX3222EEUP+ Rs232 Txrx, 250Kbps, 5.5V, Tssop-20 | Serial Communications RS232 RS485 RS422
Newark
$5.53
Analog Devices MAX3222EEUP+ Rs232 Txrx, 250Kbps, 5.5V, Tssop-20 | Serial Communications RS232 RS485 RS422
Newark
$42.00
PHOENIX CONTACT NLC-MOD-RS232 - Components & Connector/Terminal/Pin Supplies
Radwell.com
$42.00
PHOENIX CONTACT NLC-MOD-RS232 - Components & Connector/Terminal/Pin Supplies
Radwell.com
$81.60
SATO RS232C - Plcs/Machine Control & VDC Logic I/O Brain/Interface Supplies
Radwell.com
$81.60
SATO RS232C - Plcs/Machine Control & VDC Logic I/O Brain/Interface Supplies
Radwell.com
$317.52
RUGID COMPUTER MDM/232 - Servo Products & Servo Add-On Module/Board Supplies
Radwell.com
$317.52
RUGID COMPUTER MDM/232 - Servo Products & Servo Add-On Module/Board Supplies
Radwell.com
$73.50
BOSCH PSIO-RS232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$73.50
BOSCH PSIO-RS232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$9.55
Maxim Integrated/Analog Devices Max3223ecapacitor+ Rs232 Transceiver, 235Mbps, Ssop-20 | Serial Communications RS232 RS485 RS422
Newark
$9.55
Maxim Integrated/Analog Devices Max3223ecapacitor+ Rs232 Transceiver, 235Mbps, Ssop-20 | Serial Communications RS232 RS485 RS422
Newark
$1.78
Analog Devices MAX232AEUE+ Rs232 Txrx, 200Kbps, 5.5V, Tssop-16 | Serial Communications RS232 RS485 RS422
Newark
$1.78
Analog Devices MAX232AEUE+ Rs232 Txrx, 200Kbps, 5.5V, Tssop-16 | Serial Communications RS232 RS485 RS422
Newark
$247.10
HONEYWELL NPB-RS232 - Plcs/Machine Control & PC Board PLC/Add-On Board Supplies
Radwell.com
$247.10
HONEYWELL NPB-RS232 - Plcs/Machine Control & PC Board PLC/Add-On Board Supplies
Radwell.com
$125.21
$131.80
Adam-4520 Module Rs232 To Rs422/485 Converter
eBay
Free shipping
$125.21
$131.80
Adam-4520 Module Rs232 To Rs422/485 Converter
eBay
Free shipping
$2.08
Maxim Integrated/Analog Devices MAX239CWG+ Txrx, Rs232, 120Kbps, Wsoic-24 | Serial Communications RS232 RS485 RS422
Newark
$2.08
Maxim Integrated/Analog Devices MAX239CWG+ Txrx, Rs232, 120Kbps, Wsoic-24 | Serial Communications RS232 RS485 RS422
Newark
$3.07
Maxim Integrated/Analog Devices MAX3232ECTE+ Rs232 Txrx, 250Kbps, 5.5V, Tqfn-16 | Serial Communications RS232 RS485 RS422
Newark
$3.07
Maxim Integrated/Analog Devices MAX3232ECTE+ Rs232 Txrx, 250Kbps, 5.5V, Tqfn-16 | Serial Communications RS232 RS485 RS422
Newark
$5.99
Analog Devices MAX232CPE+ Rs232 Transceiver, 120Kbps, Dip-16 | Serial Communications RS232 RS485 RS422
Newark
$5.99
Analog Devices MAX232CPE+ Rs232 Transceiver, 120Kbps, Dip-16 | Serial Communications RS232 RS485 RS422
Newark
$1.98
Analog Devices MAX231EPD+ Rs232 Txrx, 120Kbps, 5.5V, Dip-14 | Serial Communications RS232 RS485 RS422
Newark
$1.98
Analog Devices MAX231EPD+ Rs232 Txrx, 120Kbps, 5.5V, Dip-14 | Serial Communications RS232 RS485 RS422
Newark
Explaining The Basics Of RS-232 Serial Communications
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Explaining The Basics Of RS-232 Serial Communications
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Shop rs232 module

Sponsored
About our ads
$29.99
RS232 Breakout Tester LED Monitor Module, DB9M/F X DB25M/F Breakout Module
Amazon.com
203
$29.99
RS232 Breakout Tester LED Monitor Module, DB9M/F X DB25M/F Breakout Module
Amazon.com
203
$475.00
PHOENIX CONTACT PSM-ME-RS232/RS232-P - Controls & Indicators & Conversion Module Supplies
Radwell.com
$475.00
PHOENIX CONTACT PSM-ME-RS232/RS232-P - Controls & Indicators & Conversion Module Supplies
Radwell.com
$29.77
USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
Amazon.com
$29.77
USR-TCP232-302 Tiny Size RS232 To TCP IP Converter Serial RS232 To Ethernet Server Module Ethernet Converter Support DHCP/DNS
Amazon.com
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
170
$19.90
RS232 Breakout Tester LED Monitor, DB9 Male To Female Breakout Module
Amazon.com
170
$436.00
PHOENIX CONTACT PSM-ME-RS232/RS485-P - Controls & Indicators & Conversion Module Supplies
Radwell.com
2
$436.00
PHOENIX CONTACT PSM-ME-RS232/RS485-P - Controls & Indicators & Conversion Module Supplies
Radwell.com
2
$354.24
PHOENIX CONTACT FL COM SERVER RS232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$354.24
PHOENIX CONTACT FL COM SERVER RS232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$45.00
FTDI CHIP USB-RS232-PCBA - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$45.00
FTDI CHIP USB-RS232-PCBA - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$1.29
MAX3232 RS232 To TTL Serial Port Converter Module Female DB9 Connector MAX232 Flashing Board
AliExpress
$1.29
MAX3232 RS232 To TTL Serial Port Converter Module Female DB9 Connector MAX232 Flashing Board
AliExpress
$8.12
Communication Module USB To RS485/RS232 Bidirectional Half Duplex Serial Port Line Converter Industrial Grade Converter CH343G
AliExpress
3
$8.12
Communication Module USB To RS485/RS232 Bidirectional Half Duplex Serial Port Line Converter Industrial Grade Converter CH343G
AliExpress
3
$14.99
Avanexpress DB9 Female Connector Breakout Board RS232 Serial To DSUB Terminal Block Connector Signal Module (Pack Of 3)
Amazon.com
$14.99
Avanexpress DB9 Female Connector Breakout Board RS232 Serial To DSUB Terminal Block Connector Signal Module (Pack Of 3)
Amazon.com
$144.82
PHOENIX CONTACT IB IL RS 232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$144.82
PHOENIX CONTACT IB IL RS 232 - Plcs/Machine Control & PLC Module/Rack Supplies
Radwell.com
$1.97
CH340 Module Instead Of PL2303 CH340G CH340E RS232 To TTL Module Upgrade USB To Serial Port In Nine Brush Plate For Arduino
AliExpress
$1.97
CH340 Module Instead Of PL2303 CH340G CH340E RS232 To TTL Module Upgrade USB To Serial Port In Nine Brush Plate For Arduino
AliExpress
$19.87
Mikroelektronika MIKROE-1582 Click Board, Rs232, Gpio/Uart, 3.3/5V | Embedded Daughter Boards & Modules
Newark
$19.87
Mikroelektronika MIKROE-1582 Click Board, Rs232, Gpio/Uart, 3.3/5V | Embedded Daughter Boards & Modules
Newark
$8.59
YIOVVOM DB9 Breakout Connector, Male 9PIN Port RS232 Serial Adapter, Solderless Module Board With Screw Terminals, Case, Long Bolts
Amazon.com
1K+
$8.59
YIOVVOM DB9 Breakout Connector, Male 9PIN Port RS232 Serial Adapter, Solderless Module Board With Screw Terminals, Case, Long Bolts
Amazon.com
1K+
$510.00
PHOENIX CONTACT PSM-EG-RS232/RS485-P/2D - Controls & Indicators & Conversion Module Supplies
Radwell.com
1
$510.00
PHOENIX CONTACT PSM-EG-RS232/RS485-P/2D - Controls & Indicators & Conversion Module Supplies
Radwell.com
1
$453.19
FL COM SERVER RS232 - Phoenix Contact PLC Module Automation (New)
Electrical.com
$453.19
FL COM SERVER RS232 - Phoenix Contact PLC Module Automation (New)
Electrical.com
$104.39
RS232C - Sato PLC Module Automation (New)
Electrical.com
$104.39
RS232C - Sato PLC Module Automation (New)
Electrical.com
$922.13
PSM-ME-RS232/RS485-P - Phoenix Contact Conversion Module Automation (New)
Electrical.com
2
$922.13
PSM-ME-RS232/RS485-P - Phoenix Contact Conversion Module Automation (New)
Electrical.com
2