lakshmi Profile Topics Started Replies Created Engagements Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts February 13, 2013 at 1:30 am in reply to: Automatic bidirectional visitor counter using 8051 microcontroller (AT89C51) by sasvin #9124 lakshmiParticipant LTS542 IS COMMON ANODE 7 SEGMENT DISPLAY TSOP1738 IR RECEIVER IR LED AS IR TRANSMITTER………………I ‘m using these components this can be also done using another components Author Posts Viewing 1 post (of 1 total)