Simple IR transmitter and a receiver

This is a very useful circuit for the people who have cars and vans because this circuit operates with 12V.Operating frequency of this circuit is 160 Hz.And you can send signals about 2M-5M or 2M-15M it depends on the audio transformer which you use by tuning 100K you can get the maximum distance

# Use common audio transformer

# Build this circuit on a PCB

# Be patient and tune carefully

# don't supply over 12V