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4 channel 5v relay shield module, Four channel relay control board relay expansion board for arduino UNO R3 mega 2560

USD 2.45USD 3.50

4 channel 5v relay shield module, Four channel relay control board relay expansion board for arduino UNO R3 mega 2560

Description
Specification
1PCS JM20329 QFP48 YUXINYUAN
USD 1.75USD 1.84
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