817 optocoupler for arduino

{"cid":"91219332","title":"HCPL-817-30AE","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/95\/8b\/08ebc3209fa46eda845742a9d737-200x200-1.jpg","attrs":{"Package \/ Case :":"PDIP-4 Gull Wing","Product Category :":"Transistor Output Optocouplers","Vf - Forward Voltage :":"1.4 V","Minimum Operating Temperature :":"- 30 C","Pd - Power Dissipation :":"200 mW","Isolation Voltage :":"5000 Vrms","Maximum Operating Temperature :":"+ 100 C","Packaging :":"Tube","Vr - Reverse Voltage :":"6 V","Maximum Collector Current :":"50 mA","Number of Channels :":"1 Channel","Maximum Collector Emitter Saturation Voltage :":"0.2 V","Maximum Collector Emitter Voltage :":"35 V","If - Forward Current :":"50 mA","Output Type :":"NPN Phototransistor","Manufacturer :":"Avago \/ Broadcom","Description":"Transistor Output Optocouplers 5000 Vrms 50mA"}}

{"cid":"91219651","title":"5V Relay Module Power Supply For Arduino 1 2 4 6 8 Channel","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/04\/d3\/8ef2eec6c8bb7ce92666596a07a8-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Creatall","Model Number":"5V\/12\/24V relay module","Minimum Order Quantity":"10pcs","Delivery Time":"5-8 work days","Place of Origin":"Guangdong, China","Supply Ability":"10000 Piece\/Pieces per Day","Theory":"Voltage Relay","Usage":"PROTECTIVE","Size":"Miniature","Protect Feature":"Epoxy","Contact Load":"Low Power","Port":"shenzhen port,guangzhou port","Name":"Control Relay Module","Control Mode":"Manual\/Automatic","Working Temperature":"-20\u2103~+60\u2103"}}