Relay 5v 4 Channel 10A 250V แบบ Active High/Low

Relay 5v 4 Channel 10A 250V แบบ Active High/Low สามารถเลือกให้ทำงานได้ทั้ง Active HIGH / Active LOW เพียงแค่เซ็ตจัมเปอร์ที่ตัวบอร์ดเลือก High/Low Description: This is a 4-Channel Relay Module. Each channel has an LED light indicating the operating status of the relay. This is relay power supply with terminal blocks and DC power outlet (5.5mm * 2.1mm) two kinds of interface form, the use of more flexible and more convenient. With a diode freewheeling protection circuit. The use of dual power supply, the user can according to need, through the short-circuit cap to switch, select the power supply to use more flexible and convenient. Specification: Max Load: 250VAC 10A/ 30VDC 10A.. SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA. Each channel module can be set high or low-level triggered by jumper. Power indicator (green), 4 Relay status indicator (red) Board size: 73mm x 50mm x 18.5mm. When com with low short circuit, triggering the corresponding relay is low, and high when com shorted