Hi fellas, I have a <a href="https://www.lazada.com.ph/mfrc-522-rfid-radiofrequency-ic-card-inducing-sensor-reader-forarduino-3836688.html?gclid=CjwKCAiA1uHSBRBUEiwAkBCtzW14hlb0eBxPU2GfwTKYl1wuvbqz_Wy0CmhiVEFvogQTdLgF225yjhoCit0QAvD_BwE&s_kwcid=AL!3151!3!238616790864!!!g!!&utm_source=google&utm_medium=sem_non_brand&utm_campaign=949730299&utm_content=380857700780_VA294HLAA2A8EOANPH-4541024_117717420&utm_term=52759020394_c_aud-314463362631:pla-380857700780&adjust_tracker=t2v78t_5n20iw&adjust_campaign=949730299&adjust_adgroup=52759020394_c_aud-314463362631:pla-380857700780&adjust_creative=380857700780_VA294HLAA2A8EOANPH-4541024_117717420&adjust_label=%7B%22ClientID%22:%22187-677-8753%22%7D&adjust_tracker_limit=1000000&ef_id=Wd_dgQAAAIb_jQOy:20180113033049:s" rel="noopener nofollow ugc">MFRC522 and <a href="https://www.lazada.com.ph/7-70-inch-tft-lcd-module-cpld-sdram-800x480-arduino-due-mega2560ms070sd-7580861.html?gclid=CjwKCAiA1uHSBRBUEiwAkBCtzZSbX-J-nOlHL7QbirhkhN9-VAlFbgzIAYpJ-S3-IaFj0GIaE6Q4iBoCb0YQAvD_BwE&s_kwcid=AL!3151!3!203145332155!!!g!!&utm_source=google&utm_medium=sem_non_brand&utm_campaign=867874943&utm_content=371243131581_OE721ELAA4IHFHANPH-9697675_117730913&utm_term=42202491965_c_aud-314463362631:pla-371243131581&adjust_tracker=t2v78t_5n20iw&adjust_campaign=867874943&adjust_adgroup=42202491965_c_aud-314463362631:pla-371243131581&adjust_creative=371243131581_OE721ELAA4IHFHANPH-9697675_117730913&adjust_label=%7B%22ClientID%22:%22187-677-8753%22%7D&adjust_tracker_limit=1000000&ef_id=Wd_dgQAAAIb_jQOy:20180113033242:s" rel="noopener nofollow ugc">7" Inches TFT LCD with <a href="https://www.lazada.com.ph/tftsd-shield-for-arduino-mega-2560-lcd-module-sd-level-translation28-32-due-8895424.html?gclid=CjwKCAiA1uHSBRBUEiwAkBCtzcSc3i35s9CUcNl1PAxy1P-6OxPWrLjYA0EdRLeSXDB9QkCHNO3jKBoCtxYQAvD_BwE&s_kwcid=AL!3151!3!203145332155!!!g!!&utm_source=google&utm_medium=sem_non_brand&utm_campaign=867874943&utm_content=371243128701_OE721ELAA5ANR4ANPH-11234091_117730913&utm_term=42202491965_c_aud-314463362631:pla-371243128701&adjust_tracker=t2v78t_5n20iw&adjust_campaign=867874943&adjust_adgroup=42202491965_c_aud-314463362631:pla-371243128701&adjust_creative=371243128701_OE721ELAA5ANR4ANPH-11234091_117730913&adjust_label=%7B%22ClientID%22:%22187-677-8753%22%7D&adjust_tracker_limit=1000000&ef_id=Wd_dgQAAAIb_jQOy:20180113033317:s" rel="noopener nofollow ugc">CTE TFT LCD/SD Shield for Arduino Mega . The main problem is the MFRC522 must be connected to 50, 51, 52, and 53 but they already occupied by CTE TFT LCD/SD Shield for Arduino Mega. Any idea/s how to do this?

MFRC522 & 7" Inches TFT LCD problem

knut_ny January 13, 2018, 9:35pm 4

chip select (=slave select)

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