NE555 Timer Switch Adjustable Module Time Delay Relay Module DC 5V / 12V Delay Connect / Disconnect Relay Shield For Arduino
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$0.45 - $0.55
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Shipping per piece: $0.71
KEYESTUDIO Dual 5v 2 Channel Relay Shield Board Module for Arduino for microbit
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$1.52 - $2.42
Min Order: 2 pieces
Shipping per piece: $3.45
1 Channel RM Optocoupler Relay Module Shield for Arduino ARM PIC AVR DSP Electronic 5V 10A 46mmX28mmX18mm
1 Channel Relay Module 5V Shield for Arduino AVR ARM PIC DSP SRD-05VDC-SL-C
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$0.82 - $0.84
Min Order: 50 pieces
Shipping per piece: $0.64