ananth Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts February 22, 2011 at 4:09 pm in reply to: optocoupler (i/p) interface with 8051 #5588 ananthParticipant i need to display certain message on LCD using 8051 when the LED of my circuit glows . i need to isolate the circuit from 8051 using optocoupler . so , while connecting the optocoupler to 8051, do i need an ADC ? Author Posts Viewing 1 post (of 1 total)