finger print module SM20 | Projects › Projects › finger print module SM20 This topic has 1 reply, 2 voices, and was last updated 5 years, 3 months ago by GANEEV SINGH. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts September 14, 2015 at 5:08 am #3984 sachin moreParticipant HELLO can anyone tell me how to check sm20 finger print module is working or not with serial port terminal?? February 23, 2018 at 9:15 am #14758 GANEEV SINGHParticipant Hi Check out this link: https://www.arian-negar.com/download/CAMA-SM25/CAMABIO%20SM25%20User%20Manual.pdf In this link refer page no. 57 which tells you how to test connection with sm20 module. This link also shares various other commands associated with this fingerprint module. 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