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USB Relay 16-Channel 3-Amp DPDT with UXP Port: Relay Pros
USB Relay Controller Board - 4 Channels for Home Automation
USB Relay Controller - One Channel - PCB
SPOTBOT USB Relay - Intruder Surveillance Detection Smart Module
SainSmart 4-channel 5V USB Relay Module for Automation Robotics – SainSmart.com
DC 5V USB Relay 2 Channel Programmable Computer Control Power Supply Module for Smart Home Controller Relay Board 250V 10A: Amazon.com: Industrial & Scientific
KMtronic Ltd: USB Relay Controller Two Channel
TypeC Interface LCUS-1 USB Relay Module USB Intelligent Control Switch Serial Port Relay - AliExpress
Devantech 2x16A USB Relay USB-RLY02-SN - RobotShop
Amazon.com: USB Relay Module USB Intelligent Switch Control MCU PC USB Smart Control Switch Jog Self-Locking : Electronics
4 Channel USB Relay Module_ Botland - Robotic Shop
Al (LC) LCUS - type 1 USB relay module USB intelligent switch control
2 Channel USB Relay Module
USB Relay Module USB Intelligent Control Switch USB Switch for LCUS-1 Type Electronic Converter - Walmart.com
SPOTBOT USB Relay - Intruder Surveillance Detection Smart Module
8 Channel USB Relay Module
USB Relay Controller with 6-Channel I/O - DEV-09669 - SparkFun Electronics
USB Relay Controller - One Channel - HyperTerminal ASCII commands
USB 4 Relay controller - thermoregulator with sensor TCN75A
Amazon.com: USB Relay Module Control Switch - LCUS‑1 Type DC 5V with High Performance Control Chip : Industrial & Scientific
RL80001 Numato Lab | Relays | DigiKey Marketplace
USB Relay 1 Channel | 102056 | Other by www.smart-prototyping.com
USB Relay Controller - One Channel with clips for DIN mount rail
Amazon.com: SainSmart USB Eight Channel Relay Board for Automation - 12 V : Industrial & Scientific
Lcus - Type 1 Usb Relay Module Usb Intelligent Switch Control | Fruugo NO