NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug and Play Suitable for PC Smart Controller: Amazon.com: Industrial & Scientific
Amazon.co.jp: 8 Channel USB Relay Module Board Programmable Computer USB Controlled Relay Module Switching : DIY, Tools & Garden
Amazon.co.jp: 8 Channel USB Relay Module Board Programmable Computer USB Controlled Relay Module Switching : DIY, Tools & Garden
Amazon.co.jp: WXQ-XQ USB Relay Controller, 4 Channel Relay Type B USB 200mAh Relay Board Module 12VDC Power Optional Controller for 5VDC Automation Roboti (#1) : DIY, Tools & Garden
Amazon.com: LM YN 2-Channel Micro USB Relay Module USB Smart Control Switch : Electronics
Amazon.co.jp: 8 Channel USB Relay Module MCU Controlled No Drive Relay USB Relay - 12V : DIY, Tools & Garden
Amazon.co.jp: シリアルポート制御リレーモジュール、USBリレーモジュールMCU PC USB スマートコントロールスイッチジョグセルフロックコンデンサの品揃えUSBリレーモジュール : パソコン・周辺機器
Amazon.com: 8-Channel 12V USB Relay Board, 8-Channel 12VDC Type-B USB Relay Board Module Controller for Automation Robotics : Electronics
Amazon.com: DZS Elec 5V-30V 1 Channel Wilde Voltage 0-24s Adjustable Delay Internal/External Trigger Relay Board with Timer Delay Conduction Delay Circuit Switch with USB to Micro USB Power Line : Electronics