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Ships within 48 hours · Estimated delivery Nov 8 - Nov 13
Pay in 4 interest-free payments of $36.84 Learn more
Ships within 48 hours · Estimated delivery Nov 8 - Nov 13
4 Channel 5V Relay Board HC 05 Bluetooth Module sensor payloads sensor payloads Contact our sales team for a custom GND > Common ground with microcontroller and 5 V supply HIGH to deactivate)
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A familiar product name does not guarantee an unchanged version. Use your earlier order reference to ask the seller a precise comparison question.
Start with what you directly observed about the issue. Separate observable facts from your interpretation of those facts.
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