Here are my components. Added the pin call out for quick reference, Mega 2560 Adafruit FONA 800 shield - FONA_RX 51, FONA_TX 50, FONA_RST 11 Adafruit 2.8" TFT shield - TFT_DC 9, TFT_CS 10, SD_CS 4, STMPE_CS 8 All components have stacking headers. When I stack the 2.8" TFT with the Mega 2560, ev…

Mega 2560 / Adafruit FONA / 2.8" TFT Issues

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