GT511C series biometric scanner | Projects › Projects › GT511C series biometric scanner This topic has 1 reply, 2 voices, and was last updated 4 years, 5 months ago by Sabin. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts July 21, 2017 at 10:54 pm #4678 Henry KParticipant Can anyone help me to code a dll library with GT511C3 Arduino based library that can be used in C-sharp winform project for biometric scanner ca pture. Your contributions will be highly appreciated. Henry December 28, 2018 at 9:50 am #14994 SabinParticipant try this – github.com/sparkfun/Fingerprint_Scanner-TTL Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In