1/2/4/8/16 Channel 20A Relay Control Module high / low level 1ch 2ch 4ch 8ch 16ch Controller 5v for UNO R3 Raspberry Pi

1/2/4/8/16 Channel 20A Relay Control Module high / low level 1ch 2ch 4ch 8ch 16ch Controller 5v for UNO R3 Raspberry Pi
sku: 33040399511
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$2.22
Shipping from: China
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