i need to display certain | Microcontroller › 8051 › optocoupler (i/p) interface with 8051 › i need to display certain February 22, 2011 at 4:09 pm #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 ?
