Hi Rajdeep,Make sure that you | Microcontroller › AVR › How to interface fingerprint module serially with AVR › Hi Rajdeep,Make sure that you February 17, 2013 at 10:19 am #9147 AJISH ALFREDParticipant Hi Rajdeep, Make sure that you are using MAX232 converter for connecting the module with the microcontroller and also check it properly for working. You can do loop back test with the MAX232 to ensure that it is working.
