embedded | Microcontroller › 8051 › embedded This topic has 1 reply, 2 voices, and was last updated 9 years, 7 months ago by Ashutosh Bhatt. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts February 24, 2015 at 3:40 am #3493 Rediet GebretsionParticipant power circuit diagram to change 220v ac to 5v dc February 27, 2015 at 6:44 am #12652 Ashutosh BhattParticipant it is very simple. you search for regulated supply circuits using LM7805 IC 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