hoangle Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts April 24, 2015 at 3:57 pm in reply to: Communicating with R303A fingerprint reader module #12828 hoangleParticipant hello sir.. i also have a error like you and i still can't solve this problem..can you help me solve this error? thank you so much!!! Author Posts Viewing 1 post (of 1 total)