DIYMOREDC 12V 2CH 2 ช่อง RS232 DB9 สวิตช์ควบคุมรีเลย์แบบอนุกรม UART โมดูลสำหรับ PC Home Automation

Introduction: 1.Channel:2-channel relay;there are 2 expansion IN ports,low level output 2.Interface:DB9 female RS232 level,can control relay on/off/self-lock/inching by computer terminal 3.Operating Voltage:DC 12V (range:8.5-13.5V) 4.Control Voltage:DC 9V 12V or DC 8.5-13.5V/AC 85-265V 5.Control Current:10A Package Included: 1 x 2 Channel RS232 DB9 Serial Relay #DIYMORE #2CH #RS232 #DB9 #Serial #Relay #Control #Switch #UART #PC #Home #Auto