5V单ɀšÉ“Ç»§Ç”Μ器ż€Å…³Å¸¦Å…‰È€¦Éš”Ǧ» 2ĸª 393040945760

Interface: Input VCC: Relay power supply + GND: Relay power supply - IN: Signal trigger input (High or Low Level Signal, select via jumper) Output...