KNACRO 5V 2 Channel 10A PC USB Control Switch Relay Module Fre | Shop The World
From USA
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KNACRO 5V 2 Channel 10A PC USB Control Switch Relay Module Free Drive Programmable Computer Control Computer USB Control Switch Driver PC Intelligent Controller (5V 2-Channel)
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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•This module uses HID technology, high quality, no driver required. Support WIN7, XP 32BIT, 64BIt system, easy to use.
•Provide application and C++ secondary development code. Download: https://1drv.ms/u/s!AgIwyXAQlpRrctFR9FvUtM71FAE?e=nN0bmy
•Onboard square USB interface, link problem setting; use high-performance USB control chip; use high-quality relay; high-quality PCB board production.
•5V relay, the relay can control the maximum 250V 10A AC load and 30V 10A DC load.
•Note: Due to the nature of the USB protocol, this module is not suitable for places with large electromagnetic interference! If you want to use it, please take electromagnetic shielding measures.