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    Pi-Plates RELAYPLATE Pi-Plates Relay Plate For Raspberry Pi | Raspberry Pi Add-On Cards & Modules
    Newark
    $41.99
    Pi-Plates RELAYPLATE Pi-Plates Relay Plate For Raspberry Pi | Raspberry Pi Add-On Cards & Modules
    Newark
    $441.25
    Opto 22 OPTO-P1-STARTERKIT-1 Digital I/O, Raspberry Pi Starter Kit | Software & Starter Kits
    Newark
    $441.25
    Opto 22 OPTO-P1-STARTERKIT-1 Digital I/O, Raspberry Pi Starter Kit | Software & Starter Kits
    Newark
    $9.00
    Seeed Studio 103020132 Relay Module, Arduino/Raspberry Pi | Relay Boards
    Newark
    $9.00
    Seeed Studio 103020132 Relay Module, Arduino/Raspberry Pi | Relay Boards
    Newark
    $1.05
    $1.07
    5V/12V 1 2 4-Channel Relay Module With Photocoupler Used In Arduino Raspberry Pi
    AliExpress
    Free shipping
    $1.05
    $1.07
    5V/12V 1 2 4-Channel Relay Module With Photocoupler Used In Arduino Raspberry Pi
    AliExpress
    $49.67
    Enocean SENSOR KIT-868 Sensor Kit For Raspberry Pi, 868Mhz | Raspberry Pi Add-On Cards & Modules
    Newark
    $49.67
    Enocean SENSOR KIT-868 Sensor Kit For Raspberry Pi, 868Mhz | Raspberry Pi Add-On Cards & Modules
    Newark
    $1.68
    Multicomp Pro 83-17990 5V Trigger Relay Module For Arduino And Raspberry Pi | Other Add-On Boards / Modules
    Newark
    $1.68
    Multicomp Pro 83-17990 5V Trigger Relay Module For Arduino And Raspberry Pi | Other Add-On Boards / Modules
    Newark
    $219.70
    $236.60
    Io Wireless Relay Kit
    TruTech Tools
    Free shipping
    $219.70
    $236.60
    Io Wireless Relay Kit
    TruTech Tools
    $203.98
    Opto 22 OPTO-P1-STARTERKIT-1 Digital I/O For Raspberry Pi Starter Kit (AC/DC) [New]
    B2E Surplus LLC
    90-day returns (most items)
    $203.98
    Opto 22 OPTO-P1-STARTERKIT-1 Digital I/O For Raspberry Pi Starter Kit (AC/DC) [New]
    B2E Surplus LLC
    $109.00
    Allen-Bradley 1769-OB16 Compactlogix Sourcing Output Module, B
    PLCHardware.com
    Used
    $109.00
    Allen-Bradley 1769-OB16 Compactlogix Sourcing Output Module, B
    PLCHardware.com
    $56.00
    Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
    Automation Direct
    $56.00
    Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
    Automation Direct
    $72.00
    Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
    Automation Direct
    $72.00
    Relay/analog Combo Module: 8-pt in, 5-pt out, 1-ch in, 1-ch out (PN# 14742006)
    Automation Direct
    $103.75
    Output Module 3 Relay For Raspberry Pi 250V 3A Rpi Relay Board
    eBay
    Free shipping
    $103.75
    Output Module 3 Relay For Raspberry Pi 250V 3A Rpi Relay Board
    eBay
    $1.99
    $9.99
    Geekcreit® 5V 4 Channel Relay Module For PIC ARM DSP AVR MSP430 Geekcreit For Arduino - Products That Work With Official
    Banggood
    80% off
    $1.99
    $9.99
    Geekcreit® 5V 4 Channel Relay Module For PIC ARM DSP AVR MSP430 Geekcreit For Arduino - Products That Work With Official
    Banggood
    $23.62
    Raspberry Pi 5 / 4B 8 Channel Relay Extention Board With Indicator Light For Rpi 5 4B 3B+ 3B Zero 2
    AliExpress
    Free shipping
    $23.62
    Raspberry Pi 5 / 4B 8 Channel Relay Extention Board With Indicator Light For Rpi 5 4B 3B+ 3B Zero 2
    AliExpress
    $27.71
    Industrial Pico 8-Channel Relay Module Power Isolation Optocoupler Protection Circuit RGB Light Raspberry Pi Pico Header Compatibility
    Banggood
    $27.71
    Industrial Pico 8-Channel Relay Module Power Isolation Optocoupler Protection Circuit RGB Light Raspberry Pi Pico Header Compatibility
    Banggood
    $51.64
    8 Channel I2c Interface Relay Module For Arduino, Raspberry Pi, Home
    eBay
    Free shipping
    $51.64
    8 Channel I2c Interface Relay Module For Arduino, Raspberry Pi, Home
    eBay
    $9.50
    $10.56
    4-Channel Raspberry Pi Relay Shield Module Extension Board For Raspberry Pi A+/B+/2 B/3B
    AliExpress
    Free shipping
    10% off
    $9.50
    $10.56
    4-Channel Raspberry Pi Relay Shield Module Extension Board For Raspberry Pi A+/B+/2 B/3B
    AliExpress
    $53.00
    Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
    Automation Direct
    $53.00
    Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
    Automation Direct