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by yang278851511
Tue Oct 10, 2017 11:21 am
Forum: General Discussion
Topic: Many Problems : ESP32 communicate to RC522 with SPI
Replies: 2
Views: 4869

Many Problems : ESP32 communicate to RC522 with SPI

Recent time ,I use ESP32 communicate with RC522,but ,I have a very serious problem abaut it !! I use the SPI master examples to modify my code,and Compiled success.But when I write a byte to the RC522'register,Then,I read it,I found that the value I wrote is inconsistent with the value I read ,I thi...