DFR0374 LCD Shield and Arduino UNO R4 WiFi Compatibility

Lou.Krieg 2026-04-22 00:30:43 31 Views1 Replies
I have been using the DFRduino UNO V3.0 with the DFR0374 LCD shield (great product!).

I just got an UNO R4 WiFi board, and the DFR0374 shield appears to have an interference fit as the shield's A1/A2 + header is in the same space as the UNO R4 WiFi's OFF/GND/VRTC header.

Just wondering if this is an issue with my particular board versions or a known incompatibility. Anyone else run into this?

2026-04-22 11:56:40

DFR0374 is designed for Arduino UNO R3. It has physical interference with UNO R4 WiFi, because the extra OFF/GND/VRTC pin header on R4 WiFi clashes with the A1/A2 header of DFR0374.

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