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GAO’s relay controllers are devices that manage electrical circuits’ operations through relays, which act as switches controlled by electrical power signals rather than manual operation. These controllers enable the automated or remote control of various circuit actions, making them integral components in a wide array of industrial, automotive, and home automation systems.
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This 2-channel TTL relay board provides three different relay coil voltages you to switch high-current loads.
This 4-channel TTL relay board provides three different relay coil voltages allowing you to switch high-current loads.