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
Amazon.co.jp: 8 Channel USB Relay Module Board Programmable Computer USB Controlled Relay Module Switching : DIY, Tools & Garden
SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific
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
USB 4 Channel (10A) Relay Output Module,Board for Home Automation: Amazon.com: Industrial & Scientific
Amazon.com: USB 16 Channel Relay Board for Automation - 12VDC : Electronics
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
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