购买 rs485 reader

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$60.00
RS-485 To USB-C Converter
EKM Metering
$60.00
RS-485 To USB-C Converter
EKM Metering
$290.00
Yanzeo SA810 UHF RFID Reader With Circular Polarize Antenna, Long Range, UDP, Http, MQTT, RS485, RJ45, Wiegand26/34, USB, Integrated For Parking Gate
Amazon.com
$290.00
Yanzeo SA810 UHF RFID Reader With Circular Polarize Antenna, Long Range, UDP, Http, MQTT, RS485, RJ45, Wiegand26/34, USB, Integrated For Parking Gate
Amazon.com
$68.54
$137.08
IP65 UHF RFID Long Range Card Reader RS232/RS485 Parking System Access Control
asianalyse
折扣 50%
$68.54
$137.08
IP65 UHF RFID Long Range Card Reader RS232/RS485 Parking System Access Control
asianalyse
$28.88
Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
Amazon.com
99
$28.88
Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
Amazon.com
$37.07
$73.78
Sutinna RFID Card Reader, 125KHZ RFID Reader Barcode 2D QR Access Control Card Reader For Wiegand 26/34/TTL/RS232/RS485 For Office Building/Community (ID Card)
asianalyse
折扣 49%
$37.07
$73.78
Sutinna RFID Card Reader, 125KHZ RFID Reader Barcode 2D QR Access Control Card Reader For Wiegand 26/34/TTL/RS232/RS485 For Office Building/Community (ID Card)
asianalyse
$207.99
Inner Range SIFER RS-485 Smart Card Reader | All Security Equipment
All Security Equipment
$207.99
Inner Range SIFER RS-485 Smart Card Reader | All Security Equipment
All Security Equipment
$195.00
N1540 Universal Panel Meter , 1/8 DIN With USB Connectivityand RS485
IOThrifty
$195.00
N1540 Universal Panel Meter , 1/8 DIN With USB Connectivityand RS485
IOThrifty
$61.61
$86.96
Yanzeo R781 UHF RFID Reader 6m Long Range Outdoor IP67 8Dbi Antenna USB RS232/RS485/Wiegand Output UHF Integrated Reader
SHOP BRIGHT
折扣 29%
$61.61
$86.96
Yanzeo R781 UHF RFID Reader 6m Long Range Outdoor IP67 8Dbi Antenna USB RS232/RS485/Wiegand Output UHF Integrated Reader
SHOP BRIGHT
$255.00
$285.60
Autonics MP5Y-45 - High Performance Digital Pulse Meter, Indicator / RS485 Comm, 100-240 VAC
TEquipment
折扣 10%
$255.00
$285.60
Autonics MP5Y-45 - High Performance Digital Pulse Meter, Indicator / RS485 Comm, 100-240 VAC
TEquipment
$247.55
HID 920NHRTEK0001T Pivclass R40-H Reader, 13.56 Mhz Contactless Supports PKI-Based FIPS 201 Credentials, RS485 FDX, Terminal Strip, Standard V1, FIPS
Affinitech Inc. DBA Affinitech Store
$247.55
HID 920NHRTEK0001T Pivclass R40-H Reader, 13.56 Mhz Contactless Supports PKI-Based FIPS 201 Credentials, RS485 FDX, Terminal Strip, Standard V1, FIPS
Affinitech Inc. DBA Affinitech Store
$469.32
HID 921nhrnek0004m Pivclass SE RK40-H Smart Card Reader, 13.56 Mhz Contactless Supports PKI-Based FIPS 201, RS485 FDX, Pigtail, Standard V1, FIPS
Affinitech Inc. DBA Affinitech Store
$469.32
HID 921nhrnek0004m Pivclass SE RK40-H Smart Card Reader, 13.56 Mhz Contactless Supports PKI-Based FIPS 201, RS485 FDX, Pigtail, Standard V1, FIPS
Affinitech Inc. DBA Affinitech Store
$276.65
HID 920NHRTEK00038 Pivclass SE R40-H Smart Card Reader, 13.56 Mhz Contactless PKI-Based FIPS 201, RS485 HDX OSDP, Terminal Strip, Standard V1, LED
Affinitech Inc. DBA Affinitech Store
$276.65
HID 920NHRTEK00038 Pivclass SE R40-H Smart Card Reader, 13.56 Mhz Contactless PKI-Based FIPS 201, RS485 HDX OSDP, Terminal Strip, Standard V1, LED
Affinitech Inc. DBA Affinitech Store
$245.00
Littelfuse Rs485-Rs232 Relay Cnvtr/Cable
Gordon Electric Supply
$245.00
Littelfuse Rs485-Rs232 Relay Cnvtr/Cable
Gordon Electric Supply
$331.87
$335.28
HID Global Corp 921NHRNEKE033A | Pivclass Reader, Rk40-H, Wall Switch Keypad, No Prox, Sio/Seos / Legacy / Fips/Cak, Elite Keyset, Pam (Rs485 Full
AllDataResource.com
$331.87
$335.28
HID Global Corp 921NHRNEKE033A | Pivclass Reader, Rk40-H, Wall Switch Keypad, No Prox, Sio/Seos / Legacy / Fips/Cak, Elite Keyset, Pam (Rs485 Full
AllDataResource.com
$216.00
$241.92
Autonics MT4W-DV-48 - Digital Panel Meter, DC Voltage, NPN Open Collector, RS485 Comm, 100 - 240 VAC ± 10 % 50 / 60 Hz
TEquipment
折扣 10%
$216.00
$241.92
Autonics MT4W-DV-48 - Digital Panel Meter, DC Voltage, NPN Open Collector, RS485 Comm, 100 - 240 VAC ± 10 % 50 / 60 Hz
TEquipment
$145.00
NOVUS 8104221100, N1040i-RR USB RS485 Universal Indicator
Selectum
$145.00
NOVUS 8104221100, N1040i-RR USB RS485 Universal Indicator
Selectum
$249.61
$253.44
HID Global Corp 910NTPNEK000FA | Iclass Reader, R15, Mullion, No Prox, Sio/Seos / Legacy, Std Ver. 1 Keyset, Osdp V2 (Rs485 Half Duplex), Pigtail
AllDataResource.com
$249.61
$253.44
HID Global Corp 910NTPNEK000FA | Iclass Reader, R15, Mullion, No Prox, Sio/Seos / Legacy, Std Ver. 1 Keyset, Osdp V2 (Rs485 Half Duplex), Pigtail
AllDataResource.com
$135.00
USB-To-RS485 Gateway Board For Laureate Meters, Counters, And Timers
Laurel Electronics, LLC
$135.00
USB-To-RS485 Gateway Board For Laureate Meters, Counters, And Timers
Laurel Electronics, LLC
$145.89
ADVANTECH BB-USOPTL4, High Retention USB To RS-422/485 Iso. Converter
Amazon.com
3
Free shipping
$145.89
ADVANTECH BB-USOPTL4, High Retention USB To RS-422/485 Iso. Converter
Amazon.com
$190.99
$299.99
KP184 DC Electronic Load Battery Capacity Tester RS485/232 400W 150V 40A AC220V Professional Battery Tester
USA.Banggood
Free shipping
折扣 36%
$190.99
$299.99
KP184 DC Electronic Load Battery Capacity Tester RS485/232 400W 150V 40A AC220V Professional Battery Tester
USA.Banggood
$318.27
Senva Sensors | EM-RS485 | EM Protocol Meter
Blackhawk Supply
$318.27
Senva Sensors | EM-RS485 | EM Protocol Meter
Blackhawk Supply
$394.85
ICD107A Black Box RS-422/RS-485 Industrial DIN Rail Repeater
etechbuy.com
Free shipping
$394.85
ICD107A Black Box RS-422/RS-485 Industrial DIN Rail Repeater
etechbuy.com
$492.25
Phoenix Contact 2744416, PSM-ME-RS232/RS485-P, Interface Converter
Airline Hydraulics Microsoft
2
$492.25
Phoenix Contact 2744416, PSM-ME-RS232/RS485-P, Interface Converter
Airline Hydraulics Microsoft
$71.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
4
Free shipping
$71.99
Waveshare Modbus RTU 32-Ch Relay Module, RS485 Interface, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Amazon.com
$220.00
ICM Controls ICM450A+ 3 Phase Line Voltage Monitor, Delay On Break Timer, Modbus RS485 Port & Real Time Clock (English & Spanish) | Skip The Warehouse
Skip The Warehouse
$220.00
ICM Controls ICM450A+ 3 Phase Line Voltage Monitor, Delay On Break Timer, Modbus RS485 Port & Real Time Clock (English & Spanish) | Skip The Warehouse
Skip The Warehouse
$513.65
IC291A Black Box USB To 2-Port RS232 RS485 Interface Converter
etechbuy.com
Free shipping
$513.65
IC291A Black Box USB To 2-Port RS232 RS485 Interface Converter
etechbuy.com
$216.53
N1040I-RA USB RS485 UNIVERSAL INDICATOR 48x48mm 1 16 DIN At International Lighting
Interlight US
$216.53
N1040I-RA USB RS485 UNIVERSAL INDICATOR 48x48mm 1 16 DIN At International Lighting
Interlight US
$371.99
MOXA 1Port Rs-422/485 Device Server, 1Port Rs-232, 10/100m Eth., Nport 5230, Nport 5230
Zoro.com
$371.99
MOXA 1Port Rs-422/485 Device Server, 1Port Rs-232, 10/100m Eth., Nport 5230, Nport 5230
Zoro.com
$135.00
RS485 Board With Dual RJ45 Connectors For Laureate Meters, Counters, And Timers
Laurel Electronics, LLC
$135.00
RS485 Board With Dual RJ45 Connectors For Laureate Meters, Counters, And Timers
Laurel Electronics, LLC
$230.00
Chroma A190700 - RS 485 Interface For Model 19073
TEquipment
$230.00
Chroma A190700 - RS 485 Interface For Model 19073
TEquipment
$66.98
$87.07
Lantronix One Port Serial (RS232/ RS422/ RS485) To IP Ethernet Device Server - International 110-240 VAC
Cheekyhost Store
折扣 23%
$66.98
$87.07
Lantronix One Port Serial (RS232/ RS422/ RS485) To IP Ethernet Device Server - International 110-240 VAC
Cheekyhost Store
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
evacontinental.com
折扣 39%
$76.80
$128.00
1Pcs Chip Isolated USB-RS485 RS422 RS232 Signal Converter Module Industrial Grade USB TO RS232/422/485 Magnetic Isolation(RS232-485 422(ISO))(Usb-Rs232(Ftdi Type))
evacontinental.com
$171.56
Xdirect IAP Rs485 Device SVR
Walmart
Free shipping
$171.56
Xdirect IAP Rs485 Device SVR
Walmart
$86.73
$169.81
DSE857 Original - Made In UK | USB To RS485 Communications Device | DSE0857-01
evacontinental.com
折扣 48%
$86.73
$169.81
DSE857 Original - Made In UK | USB To RS485 Communications Device | DSE0857-01
evacontinental.com
$53.79
$76.92
Lantronix Xdirect Compact 1-Port Secure Serial RS232/RS422/RS485 To IP Ethernet Device Server - 921.6 Kbps
www.stuffbyannjfr.com BBB
折扣 30%
$53.79
$76.92
Lantronix Xdirect Compact 1-Port Secure Serial RS232/RS422/RS485 To IP Ethernet Device Server - 921.6 Kbps
www.stuffbyannjfr.com BBB
$446.13
N1200-DIO USB RS485 24V PROCESS CONTROLLER 2 RELAYS 48x48mm 1 16 DIN At International Lighting
Interlight US
$446.13
N1200-DIO USB RS485 24V PROCESS CONTROLLER 2 RELAYS 48x48mm 1 16 DIN At International Lighting
Interlight US
What is RS485 serial communication? How to use RS-485 MODBUS to design Arduino point-point network.
40:29
YouTubeChallenger Tech.
What is RS485 serial communication? How to use RS-485 MODBUS to design Arduino point-point network.
In this video, we will learn about the RS485 TTL module and how to use it for reliable serial communication between devices. We’ll cover the basics of RS485, its advantages over traditional UART, and why it’s ideal for long-distance, noise-resistant data transfer. Then, we’ll walk through the design of a simple yet powerful point-to-point ...
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microcontrollerslab.com
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BeagleBone Black RS-485 Tutorial #BeagleBoneBlack @TXInstruments @BeagleBoardOrg
BeagleBone Black RS-485 Tutorial #BeagleBoneBlack @TXInstruments @BeagleBoardOrg
adafruit.com
2014年9月7日
Tutorial - Come realizzare Comunicazione MODBUS RTU con S7-1200 con esempio applicativo - Domenico Madeo
Tutorial - Come realizzare Comunicazione MODBUS RTU con S7-1200 con esempio applicativo - Domenico Madeo
domenicomadeo.com
2020年11月9日
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购买 rs485 reader

广告
关于我们的广告
$60.00
RS-485 To USB-C Converter
EKM Metering
$60.00
RS-485 To USB-C Converter
EKM Metering
$290.00
Yanzeo SA810 UHF RFID Reader With Circular Polarize Antenna, Long Range, UDP, Http, MQTT, RS485, RJ45, Wiegand26/34, USB, Integrated For Parking Gate
Amazon.com
$290.00
Yanzeo SA810 UHF RFID Reader With Circular Polarize Antenna, Long Range, UDP, Http, MQTT, RS485, RJ45, Wiegand26/34, USB, Integrated For Parking Gate
Amazon.com
$68.54
$137.08
IP65 UHF RFID Long Range Card Reader RS232/RS485 Parking System Access Control
asianalyse
折扣 50%
$68.54
$137.08
IP65 UHF RFID Long Range Card Reader RS232/RS485 Parking System Access Control
asianalyse
$28.88
Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
Amazon.com
99
$28.88
Gearmo USB To RS-485/422 Serial Adapter With FTDI Chipset, LED Indicators, 5ft Cable, ESD Protection, Supports Windows 11/10/8.1/8/7, Linux, Macos X
Amazon.com
$37.07
$73.78
Sutinna RFID Card Reader, 125KHZ RFID Reader Barcode 2D QR Access Control Card Reader For Wiegand 26/34/TTL/RS232/RS485 For Office Building/Community (ID Card)
asianalyse
折扣 49%
$37.07
$73.78
Sutinna RFID Card Reader, 125KHZ RFID Reader Barcode 2D QR Access Control Card Reader For Wiegand 26/34/TTL/RS232/RS485 For Office Building/Community (ID Card)
asianalyse
$207.99
Inner Range SIFER RS-485 Smart Card Reader | All Security Equipment
All Security Equipment
$207.99
Inner Range SIFER RS-485 Smart Card Reader | All Security Equipment
All Security Equipment
$195.00
N1540 Universal Panel Meter , 1/8 DIN With USB Connectivityand RS485
IOThrifty
$195.00
N1540 Universal Panel Meter , 1/8 DIN With USB Connectivityand RS485
IOThrifty
$61.61
$86.96
Yanzeo R781 UHF RFID Reader 6m Long Range Outdoor IP67 8Dbi Antenna USB RS232/RS485/Wiegand Output UHF Integrated Reader
SHOP BRIGHT
折扣 29%
$61.61
$86.96
Yanzeo R781 UHF RFID Reader 6m Long Range Outdoor IP67 8Dbi Antenna USB RS232/RS485/Wiegand Output UHF Integrated Reader
SHOP BRIGHT
$255.00
$285.60
Autonics MP5Y-45 - High Performance Digital Pulse Meter, Indicator / RS485 Comm, 100-240 VAC
TEquipment
折扣 10%
$255.00
$285.60
Autonics MP5Y-45 - High Performance Digital Pulse Meter, Indicator / RS485 Comm, 100-240 VAC
TEquipment
$247.55
HID 920NHRTEK0001T Pivclass R40-H Reader, 13.56 Mhz Contactless Supports PKI-Based FIPS 201 Credentials, RS485 FDX, Terminal Strip, Standard V1, FIPS
Affinitech Inc. DBA Affinitech Store
$247.55
HID 920NHRTEK0001T Pivclass R40-H Reader, 13.56 Mhz Contactless Supports PKI-Based FIPS 201 Credentials, RS485 FDX, Terminal Strip, Standard V1, FIPS
Affinitech Inc. DBA Affinitech Store
$469.32
HID 921nhrnek0004m Pivclass SE RK40-H Smart Card Reader, 13.56 Mhz Contactless Supports PKI-Based FIPS 201, RS485 FDX, Pigtail, Standard V1, FIPS
Affinitech Inc. DBA Affinitech Store
$469.32
HID 921nhrnek0004m Pivclass SE RK40-H Smart Card Reader, 13.56 Mhz Contactless Supports PKI-Based FIPS 201, RS485 FDX, Pigtail, Standard V1, FIPS
Affinitech Inc. DBA Affinitech Store
$276.65
HID 920NHRTEK00038 Pivclass SE R40-H Smart Card Reader, 13.56 Mhz Contactless PKI-Based FIPS 201, RS485 HDX OSDP, Terminal Strip, Standard V1, LED
Affinitech Inc. DBA Affinitech Store
$276.65
HID 920NHRTEK00038 Pivclass SE R40-H Smart Card Reader, 13.56 Mhz Contactless PKI-Based FIPS 201, RS485 HDX OSDP, Terminal Strip, Standard V1, LED
Affinitech Inc. DBA Affinitech Store
$245.00
Littelfuse Rs485-Rs232 Relay Cnvtr/Cable
Gordon Electric Supply
$245.00
Littelfuse Rs485-Rs232 Relay Cnvtr/Cable
Gordon Electric Supply
$331.87
$335.28
HID Global Corp 921NHRNEKE033A | Pivclass Reader, Rk40-H, Wall Switch Keypad, No Prox, Sio/Seos / Legacy / Fips/Cak, Elite Keyset, Pam (Rs485 Full
AllDataResource.com
$331.87
$335.28
HID Global Corp 921NHRNEKE033A | Pivclass Reader, Rk40-H, Wall Switch Keypad, No Prox, Sio/Seos / Legacy / Fips/Cak, Elite Keyset, Pam (Rs485 Full
AllDataResource.com
$216.00
$241.92
Autonics MT4W-DV-48 - Digital Panel Meter, DC Voltage, NPN Open Collector, RS485 Comm, 100 - 240 VAC ± 10 % 50 / 60 Hz
TEquipment
折扣 10%
$216.00
$241.92
Autonics MT4W-DV-48 - Digital Panel Meter, DC Voltage, NPN Open Collector, RS485 Comm, 100 - 240 VAC ± 10 % 50 / 60 Hz
TEquipment
$145.00
NOVUS 8104221100, N1040i-RR USB RS485 Universal Indicator
Selectum
$145.00
NOVUS 8104221100, N1040i-RR USB RS485 Universal Indicator
Selectum
$249.61
$253.44
HID Global Corp 910NTPNEK000FA | Iclass Reader, R15, Mullion, No Prox, Sio/Seos / Legacy, Std Ver. 1 Keyset, Osdp V2 (Rs485 Half Duplex), Pigtail
AllDataResource.com
$249.61
$253.44
HID Global Corp 910NTPNEK000FA | Iclass Reader, R15, Mullion, No Prox, Sio/Seos / Legacy, Std Ver. 1 Keyset, Osdp V2 (Rs485 Half Duplex), Pigtail
AllDataResource.com
$135.00
USB-To-RS485 Gateway Board For Laureate Meters, Counters, And Timers
Laurel Electronics, LLC
$135.00
USB-To-RS485 Gateway Board For Laureate Meters, Counters, And Timers
Laurel Electronics, LLC