Microcontroller › 8051 › led turn on when ir sensor sense obstacle › use TSSOP 1738 & 555
November 3, 2015 at 7:43 am
#13447
Participant
You can use TSSop 1738 & connect LED to its out pin… this pin goes low when ir signal at 38khz is received.
for this you need to transmit ir signal at 38khz . you can do this using 555 timer..