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Shield Requires Both 9V and USB Power—Is This Correct? FAQDFR0144
Schultz.Langley 2025-07-24 10:45:29 401 Views
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Can Arduino with Relay Shield v2.1 read XBee digital I/O? Is a logic level converter needed? FAQDFR0144 Schultz.Langley 2024-07-25 11:12:07 379 Views
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Is it possible to use Arduino D4 to control Relay 1? FAQDFR0144 Schultz.Langley 2024-07-25 10:48:12 481 Views
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4 Relays Not Cycling After Sketch Upload—What’s Missing? FAQDFR0144 Schultz.Langley 2024-07-25 10:43:54 21 Views
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I uploaded the first sketch to arduino, the 4 relays should be turned on and off every second, but nothing happened. What did I miss? DFR0144FAQ niu.yixuan 2024-07-12 15:04:05 25 Views
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Can the Arduino read the digital I/O pin status of an XBee using the relay shield v2.1, considering XBee's 3.3V logic level? DFR0144FAQ niu.yixuan 2024-07-12 15:04:05 Trending
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