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  • MCP23017 Relay Shield
    MCP23017 Relay Shield
    Relay Shield for Particle Photon I²C 16-Channel DPDT 5-Amp ...
    • 16-Channel Relay Shield for Particle Photon
    • Control Relays from a WiFi Connection
    • No Need of soldering. Plug and Play Device
    • Quick and Easy Daisy-chained Device
    • Accessible Over the Internet with a WiFi Cloud Infrastructure
    • MCP23017 I²C Controlled Mechanical DPDT Relays
    • Switch Loads up to 5 Amps 24VDC or 240VAC
    • I2C Expansion Port for Adding Sensors or More Relays
    • Key Fob Expansion Option
    • Particle Library Available on GitHub
    not rated $195.14Add to cart
    MCP23017 Relay Shield
    MCP23017 Relay Shield
    Relay Shield for Particle Photon I²C 24-Channel DPDT 5-Amp ...
    • 24-Channel Relay Shield for Particle Photon
    • 8-Channel Programmable TTL/CMOS GPIO
    • Control Relays from a WiFi Connection
    • Accessible Over the Internet with a WiFi Cloud Infrastructure
    • MCP23017 I²C Controlled Mechanical DPDT Relays
    • Switch Loads up to 5 Amps 24VDC or 240VAC
    • I2C Expansion Port for Adding Sensors or More Relays
    • Key Fob Expansion Option
    • Particle Library Available on GitHub
    not rated $240.17Add to cart
    MCP23017 Relay Shield
    MCP23017 Relay Shield
    Relay Shield for Particle Photon I²C 32-Channel DPDT 5-Amp ...
    • 32-Channel Relay Shield for Particle Photon
    • Control Relays from a WiFi Connection
    • Accessible Over the Internet with a WiFi Cloud Infrastructure
    • MCP23017 I²C Controlled Mechanical DPDT Relays
    • Switch Loads up to 5 Amps 24VDC or 240VAC
    • I2C Expansion Port for Adding Sensors or More Relays
    • Key Fob Expansion Option
    • Particle Library Available on GitHub
    not rated $345.25Add to cart
    RFID Receiver and I2C Adapter
    RFID Receiver and I2C Adapter
    RFID Receiver and I²C Adapter with USB Interface for Partic...
    • EM18 RFID Receiver for Particle Photon
    • Compatible with RFID Cards, Tags, Stickers, and Fobs
    • Power & Program your Particle Photon from USB
    • Provides a I2C Expansion Port for Interface to CE Devices
    • Easily Interface Particle Photon to Hundreds of Sensors
    • Use Particle Photon to Control Relays and FETs
    • Interface Particle Photon to Energy Monitoring Devices
    • RFID Card, FOB, Tag, or Sticker Included for Testing
    not rated $34.51Add to cart
    RFID Receiver Overlay Shield
    RFID Receiver Overlay Shield
    RFID Receiver Overlay Shield for Particle Photon and Electro...
    • EM18 RFID Receiver for Particle Photon and Electron
    • Compatible with RFID Cards, Tags, Stickers, and Fobs
    • Overlay Shield Plugs In to your Particle Photon and Electron Devices
    • RFID Card, FOB, Tag, or Sticker Included for Testing
    not rated $34.51Add to cart
    Sale!
    Particle Photon
    Particle Photon
    Particle Photon
    • WiFi Enabled
    • Cloud Connected
    • Open Source Firmware
    • Compatible With 100s of our Products
    not rated $39.87 $29.96Add to cart
    Key Fob Receiver Overlay Shield
    Key Fob Receiver Overlay Shield
    Key Fob Receiver Overlay Shield for Particle Photon and Part...
    • Adds Key Fob Receiver as an Overlay Shield
    • 1, 2, 3, 4, 5, 8-Button Remote Control Compatible
    • Pairing Button with Valid Receive LED
    • Up to 750 ft. Range with 8-Button Key Fob
    • 418 MHz Operation with Integrated LICAL Decoder
    • Designed for Particle Photon and Particle Electron
    not rated $37.51Add to cart
    Arduino Nano Adapter
    Arduino Nano Adapter
    Arduino Nano Adapter for Particle Electron (PE Series) Contr...
    • Adapts All PE Series Controllers to Arduino Nano
    • Adapts Any of Our Controllers for Particle Electron to Arduino Nano
    • Dual Row Headers Provide Access to Arduino Pins
    • Compatible with NKFR Key Fob Receiver
    • Adapts Arduino I²C and Power Pins to Electron Footprint
    not rated $10.49Add to cart