8 Relay Control Board

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Switching large loads with a microcontroller is a common task and there are a lot of ways to approach it. In most applications, nothing beats a good old-fashioned relay, and a relay with an opto-isolated input to protect your controller? That's even better.

This 8 Relay Control Board gives you opto-isolated, logic-level control over 8 channels of relays. Each relay channel is opto-isolated from its corresponding logic input, the inputs accept both 3V and 5V logic, and a status LED on each channel makes it easy to tell at a glance which relay is energized. All LEDs on the board, including the power indicator, are connected through cuttable solder jumpers so they can be disabled if you don't need them. The relays are rated to 5A/250VAC, making them useful for a lot of power control applications.

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  • Control 8 channels of 5A/250VAC Relays
  • All Channels are opto-isolated
  • Recommended coil supply: 5V 1A
  • Status LEDs on all channels with disable jumpers
  • 3V and 5V logic compatible

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  • erff / about 2 weeks ago / 1

    I wish this product was just one channel for size. I need this opti isolator instead of a regular relay to avoid the annoying loud click!

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