This topic has 0 replies, 1 voice, and was last updated 3 years, 4 months ago by LectronFan. Viewing 0 reply threads Author Posts 2021-October-31 at 12:13 #11190 LectronFanModerator Hi all, This is the start of a new series, rebuilding the legacy Lectron modules, originally designed to work with a positive ground. Let’s bring those in the new era with modern Silicon transistors ! We will start with the Schmitt trigger. A set of pictures say more than words ! Many greetings, Frank Author Posts Viewing 0 reply threads You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Please enter an answer in digits:3 × 1 = Enter something special: Log In