Solid State 8-Channel Relay Controller for Particle Photon

  • MCP23008 I2C Controlled Solid-State SPST Relays
  • I2C Expansion Port for Adding Sensors or More Relays
  • Library Available on Particle Build
  • Sale
  • Regular price $303.95

Description

This I2C 8-channel Solid-State relay controller was designed to function as a shield for Particle Photon.

Control relays from the cloud using WiFi connectivity or develop your own relay control firmware. Solid-State Relay control is easy using our firmware examples in our GitHub repository. WiFi connectivity means you have easy access to this device from your home or office, or anywhere a WiFi signal is available!

Ideal for WiFi cloud controlled switching applications, including pumps, valves, solenoids, lights, and much more. Stay connected and in control without wires.

Stay Connected to the cloud and access this controller from anywhere in the world using Particle Photon. 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 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 MCP23008 based devices may be connected to a single I2C port. The start address of this device is set using 3 on-board jumpers.

Solid State Relays

Solid-State relays are quiet with a long operational life, and should be used in critical applications where reliability is of the most importance. Solid-State relays must be carefully chosen for your particular application. This controller hosts SPST Solid-State relays only, providing 2 connections to each relay: Common and Normally Open. When the relay switches on, the Common connection is connected to the Normally Open. External loads may be wired to be off all the time and turn on when the relay turns on. Relays are controlled using the MCP230xx Series Programmable GPIO Port Expanders from Microchip Technology.

Relays are controlled by a MCP23008 using GPIO0:{N}, where {N} is the number of relays-1 (for a 4 channel controller this means GPIO0:3). Other GPIOs are available for user interface via screw terminals. Controlling on-board relays is easy: Set GPIO0:N as Digital Outputs. Next, set the on/off status of GPIO0:N to activate the corresponding relays. LEDs indicate the status of on-board relays. All of these operations are handled for you when using the drivers supplied in our GitHub repository (ControlEverythingCom). Induction suppression capacitors are strongly advised for inductive switching applications (anything that generates a magnetic field). Induction suppression capacitors will prolong the life of the relays and help prevent malfunctions when switching high voltages.

This controller applies a 12VDC voltage into the gate of a Solid-State relay through a 512 Ohm resistor. This controller is safe for relays rated with a maximum 10VDC gate voltage. This controller is generally used with relays that accept a voltage range of 3-12VDC gate voltage. Solid-State Relays are subject to MINIMUM load requirements. Extremely low signals may NOT be switched by Solid-State Relays if they do not meet the minimum load requirements.

Solid-State Relays are available for AC or DC switching applications, which are NOT interchangeable. AC relays may not be used to switch DC loads, similarly, DC relays may not be used to switch AC loads. DC RELAYS ARE POLARITY SENSITIVE, AND MAY BE DAMAGED IF IMPROPERLY CONNECTED. Some Solid-State Relays may require active forced-air cooling. Failure to apply cooling may result in permanent damage of the relay.

Please examine the datasheet for the particular relay you are using BEFORE connecting.

WE DO NOT WARRANTY SOLID-STATE RELAYS UNDER ANY CIRCUMSTANCES.

Resources

2A 240VAC ZERO-CROSS FOR RESISTIVE LOADS

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3A@60VDC DC SOLID STATE RELAY

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5A 240VAC ZERO-CROSS FOR RESISTIVE LOADS

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5A 240VAC RANDOM FOR INDUCTIVE LOADS

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Documentation
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10A@60VDC DC SOLID STATE RELAY (Requires Forced Air Cooling)

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20A@60VDC DC SOLID STATE RELAY (Requires Forced Air Cooling)

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25A 240VAC RANDOM FOR INDUCTIVE LOADS (Requires Forced Air Cooling)

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Datasheets
Documentation
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25A 480VAC ZERO-CROSS FOR RESISTIVE LOADS (Requires Forced Air Cooling)

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Datasheets
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Dimensions:
Datasheets
Documentation
Mechanical drawing
Wiring diagram

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