Grove Relay

Grove Relay

Grove Relay
Seeed Studio | A-000000-01313
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The Grove COM22639P module is a relay acting as a switch to allow you to switch much higher currents than is usually possible with an Arduino board.
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Grove COM22639P module: a powerful switch

The COM22639P module incorporates an HLS8L DC5V electromechanical relay. This makes it possible to switch heavy loads (up to 250 V and 10 A) using the logic signal supplied by your Arduino board. This NO (normally open) relay opens the high-power circuit with a logic low signal and closes it with a logic high.

Grove Relay module: Precautions

This module lets you handle high current, and hence requires you to take a certain number of precautions. If you have the slightest doubt as to how to go about it, don’t hesitate to ask advice from a professional, and always isolate the power to the circuit before working on it in any way.

Technical specifications of the Grove COM22639P Relay module

  • Grove-compatible module
  • 3-pin connection: Logic signal – Vcc – GND
  • 2-way screw terminal: COM – NO
  • Relay supply voltage: 5 V
  • Breaking capacity: 10 A / 250 Vac
  • Contact indicator: LED
  • Dimensions: 42 x 24 x 20 mm

Technical resources for the Grove Relay

The following links will take you to documents that will help you get quickly started with the Grove Relay:

Grove Relay Wiki

Specific References
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Anonymous A. published the 29/01/2018 following an order made on 29/01/2018


Connected water pump to my Pi. Works without problem...

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