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"raspberry pi 3b"

3-Channel Power Relay Module HAT Expansion Board 40-Pin GPIO Interface 5A 250VAC/5A 30V DC Optocoupler Isolation Relay Indicator and Jumper For Raspberry Pi 4B/3B+/3B/2B/A+/B+

3-Channel Power Relay Module HAT Expansion Board 40-Pin GPIO Interface 5A 250VAC/5A 30V DC Optocoupler Isolation Relay Indicator and Jumper For Raspberry Pi 4B/3B+/3B/2B/A+/B+

$22^.89

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Raspberry Pi Relay Module HAT Expansion Board Three Channel (3-CH) Power Relay Module for Raspberry Pi 4B/3B+/3B/2B/A+/B+ for Smart Home

Raspberry Pi Relay Module HAT Expansion Board Three Channel (3-CH) Power Relay Module for Raspberry Pi 4B/3B+/3B/2B/A+/B+ for Smart Home

$24^.38

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Coowell Raspberry Pi 8 Channel Relay Module HAT for Raspberry Pi 4B+ 4B 3B+ 3B 2B+ Zero W WH Jetson Nano Help The Pi to Control Home Appliances

Coowell Raspberry Pi 8 Channel Relay Module HAT for Raspberry Pi 4B+ 4B 3B+ 3B 2B+ Zero W WH Jetson Nano Help The Pi to Control Home Appliances

$58^.19

More options from $57.69 - $65.99

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Pi Expansion Board Power Relay Board Module Kit for Raspberry Pi 5/4B/3B/Zero/Zero W/Zero 2W/Pico/Pico W/Pico WH,Remote Control Make Home Appliances Intelligent @

Pi Expansion Board Power Relay Board Module Kit for Raspberry Pi 5/4B/3B/Zero/Zero W/Zero 2W/Pico/Pico W/Pico WH,Remote Control Make Home Appliances Intelligent @

$50^.87

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