Hello, I am working on a project to create an rfid sliding door opener. I am using an Arduino ESP32 and an ID-12LA RFID Reader. This is my pin connections below:
Pin 1 -> GND
Pin 6 -> 3V3
Pin 9 -> RX2
Pin 11 -> 5V supply
When connecting to Arduino software, all im getting in the serial monitor is a black question mark, everytime I try to read an RFID Tag. Any Ideas????
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All helpers can read schematics but all helpers don't know pin numbers.
No helper knows the total schematics. Lots of possible errors there.
can you give a link to the specific ID-12LA RFID module?
have you had a look at ID 2 LA , ID 12LA , ID 2 0LA Low Voltage Series Reader Modules Datasheet Section 4 Data Formats
reading the documentation it looks like you need to connect pin 7 to GND to select ASCII format output on pin 9
have you an oscilloscope to look at the pin 9 output?
upload the program you are using to view the data?
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