Interfacing IR PAIR with 8051 | Microcontroller › 8051 › Interfacing IR PAIR with 8051 This topic has 1 reply, 2 voices, and was last updated 9 years, 5 months ago by Ashutosh Bhatt. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts April 28, 2015 at 1:18 pm #3649 TRISHULParticipant I need to interface a PROXIMITY SENSOR– a IR PAIR (which already contains LM358 circuit) to a 8051 microcontroller. Do I need to use any ADC or can I connect it directly to any port ??? May 1, 2015 at 10:53 am #12847 Ashutosh BhattParticipant proximity sensor gives high/low output. so u can easily connect it with port any pin. no need of ADC 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