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USR-N540 RS232 to Ethernet RS485 to RJ45 RS422 to TCP IP Converter
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USR-N540 RS232 to Ethernet RS485 to RJ45 RS422 to TCP IP Converter

Limited time offer, ends 08/02

  • Brand: USR
  • Type: Engineering Development Tools
  • Model #: USR-N540
DC 12V 4 Channel WiFi Relay Module, ESP8266 ESP-01 Remote Control Relay Switch, Wireless Smart Home IoT Module for Phone Control
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  • $29.49 
  • Free Shipping
RJ11 RJ45 Cat5 Cat6 Telephone Wire Tracker,Ethernet LAN Network Cable Tester Detector Line Finder Tracer
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  • $45.00 
  • Free Shipping
Direct from WPIT Direct from WPIT
WiFi Smart Switch, 1-63A Adjustable WiFi Circuit Breaker, Smart Life/Tuya APP Remote Control Monitor Voltage Power Energy Usage, Compatible with Alexa Google Home, DIN Rail Mountable
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  • $51.99 
  • Free Shipping
ESP-01 WiFi model ESP8266 series, improved version ESP-01S, guaranteed authenticity, Internet of Things, Ardui badge(ESP8266 adapter)
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  • $21.71 
  • Free Shipping
for Raspberry Pi Compute Module 4/5 Antenna Kit Supports 2.4G/5G WiFi Frequency Band @
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  • $46.17 
  • Free Shipping
ESP32-S3 microcontroller, 2.4GHz Wi Fi development board, 240MHz dual core processor ESP32-S3-WROOM-1-N8R8 module(S3-DEV-KIT-N8R8)
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  • $36.15 
  • Free Shipping
Ai-WB2-13U Bluetooth WiFi module, built-in BL602 chip, ultra-long transmission distance, double 85 test
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Ai-WB2-13U Bluetooth WiFi module, built-in BL602 chip, ultra-long transmission distance, double 85 test

Limited time offer, ends 08/01

  • Type: RF Semiconductors
  • Model #: FF-GG-404
USR-TCP232-304 Serial RS485 to TCP/IP Ethernet Server Converter Module with Built-in Webpage DHCP/DNS Supported
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USR-TCP232-304 Serial RS485 to TCP/IP Ethernet Server Converter Module with Built-in Webpage DHCP/DNS Supported

Limited time offer, ends 08/01

  • Brand: USR
  • Type: Engineering Development Tools
  • Model #: USR-TCP232-204
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  • $78.99 
  • Free Shipping
ESP32-C3-WROOM-02-H4 Module2.4GHz WiFi+Bluetooth BLE5.0 Wireless Module
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Ubiquiti Networks UniFi NFC Access Card, White, 10-Pack
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ESP32-WROOM-32U, Universal Wi-Fi + Bluetooth + Bluetooth LE MCU Module(ESP32-WROOM-32U-N4)
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D1 WiFi R3 One development board based on ESP8266 ESP-12F learning module
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6192E-UC WiFi module, built-in RTL8192FC chip 2T2R high speed
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6192E-UC WiFi module, built-in RTL8192FC chip 2T2R high speed
  • Type: RF Semiconductors
  • Model #: FF-GG-203
EC-01 module development board, NB-IoT multi-band wireless communication module
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ESP32 Development Board USB Dongle Bluetooth Gateway Splaton
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ESP32 Development Board USB Dongle Bluetooth Gateway Splaton
  • Type: RF Semiconductors
  • Model #: FF-GG-044
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  • $99.20 
  • Free Shipping