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I then hook the 3V pin on my ESP32 to a biDirectional level shifter (VCCA). I then hook ground to the ground pin on my ESP 32.

My hookup is like this: I hookup a 5v power supply to 5v pin and to ground on the SRTR. Please check wiring." If I print out the message, I see either a 1 (timeout) or 2 (corrupt data received). Has anyone tried to do this, and can share a schematic? I am able to make the SRTR work fine with the Arduino Uno, however, when I try to run it with an ESP32 I get "Module failed to respond. I am trying to hook the SRTR up to an arduino ESP32 running 3.3volts. I had no idea what's going wrong, the examples seem can't compile Uint8_t writeData(uint8_t bank, uint32_t address, uint8_t *dataToRecord, uint8_t dataLengthToRecord, uint16_t timeOut = COMMAND_TIME_OUT) ^Įrror compiling for board Arduino/Genuino Uno. In file included from C:\Users\mchow\Documents\Arduino\libraries\SparkFun_Simultaneous_RFID_Tag_Reader_Library\src\SparkFun_UHF_RFID_Reader.cpp:42:0:Ĭ:\Users\mchow\Documents\Arduino\libraries\SparkFun_Simultaneous_RFID_Tag_Reader_Library\src\SparkFun_UHF_RFID_Reader.h:119:10: error: initializing argument 3 of 'uint8_t RFID::writeData(uint8_t, uint32_t, uint8_t*, uint8_t, uint16_t)'

Return (writeData(bank, address, newID, newIDLength, timeOut)) ^ When I run Example2_Read_EPC, following pop up:Ĭ:\Users\mchow\Documents\Arduino\libraries\SparkFun_Simultaneous_RFID_Tag_Reader_Library\src\SparkFun_UHF_RFID_Reader.cpp: In member function 'uint8_t RFID::writeTagEPC(char*, uint8_t, uint16_t)':Ĭ:\Users\mchow\Documents\Arduino\libraries\SparkFun_Simultaneous_RFID_Tag_Reader_Library\src\SparkFun_UHF_RFID_Reader.cpp:277:63: error: invalid conversion from 'char ' to 'uint8_t '