5V 1 / 2 / 4 / 8 Channel Relay High Low Level Optocoupler Module For PI (NO.: 08#)

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Descrioption: 5V 1 / 2 / 4 / 8 Channel Relay High Low Level Optocoupler Module For PI ? Specification: Product Name: Optocoupler Module Material: Copper + Plastic Color: Red & Blue Channel Type: 1 / 2 / 4 / 8 (Please let us know the channel youa??d like,You can leave the message on your Paypal note to tell us.) Voltage: 5V Quantity: 1pcs ? Module interface: 1. DC+: positive power supply (VCC) 2. DC-: negative power supply (GND) 3. IN: can be high or low level control relay ? Relay outputs: 1. NO: normally open relay interface 2. COM: Common Interface Relays 3. NC: normally closed relay interface ? High and low level trigger options: It is low level trigger when jumper connect to LOW pin It is high level trigger when jumper connect to HIGH pin ? Features: 1. The module uses genuine quality relay, normally open interfaces Maximum load: AC 250V/10A, DC 30V/10A. 2. Using SMD optocoupler isolation, driving ability, stable performance; trigger current 5mA. 3. The module Operating voltage 5V. 4. The module can be high or low by a jumper setting trigger. 5. Fault-tolerant design, even if the control line is broken, the relay will not operate. 6. The power indicator (green), the relay status indicator (red). 7. The interface design of human nature, all interfaces are available through a direct connection terminal leads, very convenient. 8. Four mounting bolts holes, diameter 3.1mm. ? Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm) 3.There are no instructions included in this kit.If you want to know how to use or install it,please contact us by Email.We will provide help as much as possible. ? Package Included: 1 x Optocoupler Module