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1 Replies
Shield Requires Both 9V and USB Power—Is This Correct? FAQDFR0144Aftersales FAQSEO FAQ
Schultz.Langley 2025-07-24 10:45:29 10701 Views
9 Replies
Relay Shield for Arduino V2.1 (DFR0144) - Relays not activating ArduinoGeneral DFR0144
Rasmuskjer 2024-08-09 08:19:22 754 Views
1 Replies
Can Arduino with Relay Shield v2.1 read XBee digital I/O? Is a logic level converter needed? FAQDFR0144Aftersales FAQSEO FAQ
Schultz.Langley 2024-07-25 11:12:07 715 Views
1 Replies
Is it possible to use Arduino D4 to control Relay 1? FAQDFR0144Aftersales FAQSEO FAQ
Schultz.Langley 2024-07-25 10:48:12 769 Views
1 Replies
4 Relays Not Cycling After Sketch Upload—What’s Missing? FAQDFR0144Aftersales FAQSEO FAQ
Schultz.Langley 2024-07-25 10:43:54 333 Views
0 Replies
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? DFR0144FAQAftersales FAQ
Yx 2024-07-12 15:04:05 329 Views
0 Replies
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? DFR0144FAQAftersales FAQ
Yx 2024-07-12 15:04:05 4380 Views
2 Replies
Relay Shield (DFR0144) and LCDKeypad Shield (DFR0009) ArduinoGeneral DFR0144DFR0009
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