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MCP23017 Relay Shield
MCP23017 Relay Shield

MCP23017 Relay Shield for Particle Electron I²C 24-Channel SPDT 10-Amp with Cellular and USB Interface – DCUBE Store

$225.16

  • 24-Channel Relay Shield for Particle Electron
  • 8-Channel Programmable TTL/CMOS GPIO
  • Control Relays from a Cellular Connection
  • Accessible Over the Internet with a Cellular Cloud Infrastructure
  • MCP23017 I²C Controlled Mechanical SPDT Relays
  • Switch High-Power Loads up to 10 Amps 24VDC or 240VAC
  • I2C Expansion Port for Adding Sensors or More Relays
  • Key Fob Expansion Option
  • Particle Library Available on GitHub

10 in stock

Product Description

This MCP23017 Relay Shield I²C 24-channel relay controller was designed to function as a shield for Particle Electron.

Control relays from the cloud using cellular connectivity or develop your own relay control firmware. Relay control is easy using our firmware examples in our GitHub repository.

Cellular connectivity means you have access to this device in any location supported by the Particle Electron cellular communications module (not included). Ideal for agricultural or remotely located switching applications, including pumps, valves, solenoids, lights, and much more. Providing cellular access means you have a way to stay connected and in control in the most remote locations without wires.

Stay Connected to the cloud and access this controller from anywhere in the world using Particle Electron. Access this controller using Mobicle, our cross-platform cloud interface that keeps you connected using your Android, Blackberry, iPhone, iPad, or any web browser. Don’t forget to visit our Github repository, which allows you to download and customize the firmware in this device for your specific needs.

This MCP23017 Relay Shield controller includes an on-board I²C expansion port, allowing an easy pathway to expansion for controlling more relays, reading sensors, or expanding to any I²C device we develop in the future. Up to eight MCP23017 Relay Shield based devices may be connected to a single I²C port. This controller counts as 2 devices.

This relay shield is also compatible with a 418MHz Key Fob receiver (Part Number: PKFR), allowing your Particle Electron to receive and process remote Key Fob commands up to 750 feet away. Up to 40 remote controls may be associated to the PKFR. Program your Particle Electron to control relays in any way you can imagine through the use of a remote Key Fob. Compatible with 1, 2, 3, 4, 5, and 8-Button MS Series Key Fobs from Linx Technologies.

Technobabble:

All relays on this device are of the SPDT variety, providing 3 connections to each relay: Common, Normally Closed, and Normally Open. The Common connection is always connected to the Normally Closed connection when the relay is off. When the relay switches on, the Common connection is disconnected from the Normally Closed and Connected to the Normally Open. External loads may be wired to be off all the time and turn on when the relay turns on. Optionally, external loads may be wired to be on all the time, with the external load switching off when the relay is activated. Relays are rated at 10 Amps 250VAC or 10 Amps at 24VDC. Relays are controlled using the MCP230xx Series Programmable GPIO Port Expanders from Microchip Technology. The first MCP23017 on this circuit board has the address line A0 connected to ground. The second MCP23017 on this circuit board has the address line A0 connected to +5VDC. This prevents on-board address conflicts. The remaining address jumpers A1 and A2 are jumper selectable. Relays are controlled by a MCP23017 using GPIO0:7 on Port A and GPIO0:7 on Port B. Controlling on-board relays is easy: Set GPIO0:7 as Digital Outputs. Next, set the on/off status of GPIO0:7 to activate the corresponding relays. External 8-Channel GPIO port connections are controlled by the second MCP23017 of this controller, with the GPIO mapped to Port B. LEDs indicate the status of on-board relays.  Particle Electron not included.

SKU: MCP23017_PEIO8R24G5LE

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