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HFD4/3-S Ultra Thin Relay Module 3.3V 5V Long Service Life Fits STM32 51 Microcontroller for Industrial Control DIY

Name: HFD4/3-S Ultra Thin Relay Module 3.3V 5V Long Service Life Fits STM32 51 Microcontroller for Industrial Control DIY
Brand: NONE
SKU: 45173811815

by NONE

£6.69

Prices updated 16 Jul 2026

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Product Description

HFD4/3-S Ultra Thin Relay Module 3.3V 5V Long Service Life Fits STM32 51 Microcontroller for Industrial Control DIY

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