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"arp-address resolution protocol"
Industrial 8-Channel RP2350 Relay Module, Based On RP2350 Dual-core & Dual-Architecture Microcontroller, Supports Digital Input, Ethernet Port, RS485 @(RP2350-POE-ETH-8DI-8RO)
Limited time offer, ends 11/14
$166.97
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AJMRTC 8 Channel Optocoupler Isolation Detection Module, AC 220V Input TTL Level Output 8CH Opto-Isolated Test Board, Isolated Signal Detector for MCU, PLC Processor Industrial Signal Acquisition
Limited time offer, ends 11/25
$15.70
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AJMRTC 100Pcs GL5528 5mm Light Dependent Resistor LDR Photoresistor, CdS Photoconductive Resistor for Light Intensity Detection, Arduino Smart Lighting DIY Project
Limited time offer, ends 11/29
$17.95
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CC2500 Data Transmission Module 2¡¤4G SPI interface RSSI output Board Built-in PA+LNA Chip Wire¡¤less Remote Control 800m (with Seat)
Limited time offer, ends 11/15
$17.66
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12V Dual Way Bluetooth Relay Module 12V 10A Wireless Smart Relay Module IoT Smart Home Phone APP Remote Control Switch
Limited time offer, ends 11/15
$16.73
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12V 4 Channels Bluetooth Relay Module 4 Way Bluetooth Wireless Smart Relay Module Smart Home Phone APP Remote Control Switch
Limited time offer, ends 11/15
$22.11
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ESP8266 5V 30A Relay Module, 2 Channel ESP-12F Development Board for Smart Home IoT, DC7-80V Power Supply
Limited time offer, ends 11/15
$19.56
Free Shipping
Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24V Anti-Reverse Protection for Industrial Home Automation
Limited time offer, ends 11/15
$16.46
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AJMRTC 1-Bit AC220V Optocoupler Isolation Module, AC Voltage Detect Board, DC 3-5V TTL Output, Photoelectric Isolator Sensor for PLC, Arduino, Raspberry Pi, ESP32, Industrial Power Monitoring
Limited time offer, ends 11/25
$10.88
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AJMRTC 5PCS/LOT RCWL-0516 Microwave Radar Sensor Module, Human Body Induction Switch Intelligent Motion Detector, Non-contact Doppler Radar Breakout Board for Arduino Auto Light Security Project
Limited time offer, ends 11/25
$10.54
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AJMRTC Microwave Radar Body Induction Solar LED Driver Controller Board, 3.2V 3.7V Solar Wall Light Switch Circuit Board with Remote Control for Solar Street Lamp & Outdoor Light DIY Projects
Limited time offer, ends 11/25
$10.54
Free Shipping
AJMRTC 10PCS RPR220 Reflective Optical Coupling Sensor, Optoelectronic Switch IR Photoelectric Detector for Object Detection, Line Tracking and Electronic DIY Projects
Limited time offer, ends 11/25
$10.54
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Industrial 8-Channel RP2350 Relay Module, Based On RP2350 Dual-core & Dual-Architecture Microcontroller, Supports Digital Input, RS485 @(RP2350-ETH-8DI-8RO)
Limited time offer, ends 11/14
$160.97
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Industrial 6-Channel ESP32-S3 WiFi Relay Module for WiFi/Bluetooth/RS485 Control, Onboard RS485 / Pico HAT Interfaces, with Multiple Isolation Protection Circuits @(ESP32-S3-Relay-6CH)
Limited time offer, ends 11/14
$111.47
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RM20 Wireless Routing Module PWM UART SPI Multi Port Dual Core Gigabit IoT Module Compatible with Linux Secondary Development (Module Kit)
Limited time offer, ends 11/15
$123.50
Free Shipping
RM20 Wireless Routing Module PWM UART SPI Multi Port Dual Core Gigabit IoT Module Compatible with Linux Secondary Development (Module Only)
Limited time offer, ends 11/15
$85.70
Free Shipping
USR-TCP232-302 Tiny Size RS232 to TCP IP Converter Serial RS232 to Ethernet Server Module Ethernet Converter Support DHCP/DNS (1)
Limited time offer, ends 11/15
$55.07
Free Shipping
USR-TCP232-302 Tiny Size RS232 to TCP IP Converter Serial RS232 to Ethernet Server Module Ethernet Converter Support DHCP/DNS (2)
Limited time offer, ends 11/15
$93.07
Free Shipping
USR-TCP232-302 Tiny Size RS232 to TCP IP Converter Serial RS232 to Ethernet Server Module Ethernet Converter Support DHCP/DNS (10)
Limited time offer, ends 11/15
$433.46
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USR-TCP232-302 Tiny Size RS232 to TCP IP Converter Serial RS232 to Ethernet Server Module Ethernet Converter Support DHCP/DNS (5)
Limited time offer, ends 11/15
$223.67
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ESP32-P4-ETH High-Performance Development Board, Based On ESP32-P4, with 100 Mbps RJ45 Ethernet Port, with PoE Camera Module 8 2W Speaker etc. (ESP32-P4-POE-ETH-KIT-A)
Limited time offer, ends 11/14
$106.97
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Industrial 8-Channel ESP32-S3 WiFi Relay Module, Built-in Xtensa 32-bit LX7 Dual-core Processor, Onboard Isolated RS485 Interface @(ESP32-S3-ETH-8DI-8RO)
Limited time offer, ends 11/14
$183.47
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Industrial 8-Channel ESP32-S3 WiFi Relay Module, Built-in Xtensa 32-bit LX7 Dual-core Processor, Onboard Isolated RS485 Interface, PoE Ethernet Port @(ESP32-S3-POE-ETH-8DI-8RO)
Limited time offer, ends 11/14
$195.47
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Dual Gigabit Ethernet 5G 4G Base Board Designed for Raspberry Pi Compute Module 4 Providing Interfaces Including: ETH/CSI/DSI/RTC/HDMI/SD/USB/M.2 B Key @(CM4-DUAL-ETH-4G/5G-BASE)
Limited time offer, ends 11/14
$197.87
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Industrial 8-Channel ESP32-S3 WiFi Relay Module, Built-in Xtensa 32-bit LX7 Dual-core Processor, Onboard Isolated CAN Interface, PoE Ethernet Port @(ESP32-S3-POE-ETH-8DI-8RO-C)
Limited time offer, ends 11/14
$195.47
Free Shipping
RP2350-ETH Dual-Core Ethernet Module Development Board with USB-C Port Compatible with Raspberry Pi Microcontroller
Limited time offer, ends 11/15
$36.56
Free Shipping
ESP8266 Dual Relay Module, 2 Channel 10A ESP-12F Development Board for Smart Home IoT, 5V/8-80V Power Supply
Limited time offer, ends 11/15
$17.66
Free Shipping
1pc 5-Meter RS485 Extension Cable with IP68 5-Pin Aviation Connector, UL2464, Waterproof Industrial Signal Cable for Sensor Hub
Limited time offer, ends 11/15
$73.78
Free Shipping
Carrier Frequency 38KHZ Far Infrared Communication Module, Far Infrared to TTL Module GND TXD RXD VCC Transceiver Pair Tube
Limited time offer, ends 11/15
$45.04
Free Shipping
Infrared transmitting Module/Infrared Digital 2-Channel Infrared Receiving Sensor Module
Limited time offer, ends 11/15