{"title":"8 Channel 12V Relay Module 10A USB","handle":"8-channel-12v-relay-module-10a-usb","url":"/products/8-channel-12v-relay-module-10a-usb","description":"An 8-channel 12V relay module with USB-A interface for computer-based control. Uses the ULN2803 relay driver chip and genuine Songle relays for stable operation. Each relay is rated for 10A switching.\n\nFeatures both a power socket and screw terminals for flexible power input. Once powered externally, the relays maintain their state even if the USB cable is disconnected or the computer is turned off.\n\nKey Features\n\n\n8-Channel Relay – 10A switching capacity per channel\n\nUSB-A Interface – Computer control via USB\n\nULN2803 Driver – Dedicated relay driver chip for stable operation\n\nSongle Relays – Reliable, genuine relay components\n\nDual Power Input – Power socket and screw terminals\n\nState Retention – Relays hold state when USB is disconnected\n\n\nSpecifications\n\n\nChannels – 8\n\nRelay Rating – 10A\n\nOperating Voltage – 12V\n\nInterface – USB-A\n\nPCB Size – 96.8 × 72.2mm\n\nMounting Holes – 3mm diameter, 92.7 × 68mm spacing\n","vendor":"Little Bird","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":3251,"title":"Default Title","sku":"LB-LS1773-12V","price":29.9,"on_sale":false,"in_stock":true,"available_quantity":14,"option1":"Default Title"}]}