Upload and enjoy include include define RSTPIN 9 Configurable, see typical pin layout above define SSPIN 10 Configurable, see typical pin layout above String mydecrfidcard String to save CARD ADDRESS (4-5bytes converted from HEX) MFRC522 mfrc522(SSPIN, RSTPIN) Create MFRC522 instance. ![]() Use the url below to convert HEX to DECIMAL, and the ADDRESS of the redbox after converted is 103 235 225 052, but remember REMOVE SPACE AND DIGIT 0 if the ADDRESS has 2 digits. Next, we will read the RF card information from example rfiddefaultkey to prepare to control our If you can see your information RFID module as the video, your module is still good. This module support 3 protocol to communicate with Arduino, those are UART, I2C and SPI, but i will use the SPI because almost the Arduino community use this. With this simple tutorial, we can apply this application to control the huge things in our life. Arduino Delphi Serial Communication Arduino Uno By dextweckrudesc1976 Follow | PublicĪrduino Delphi Serial Communication Arduino Uno Code In ESP
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