The attached image shows the circuit diagram of a hardware that is capable of sending as well receiving Li-Fi signals, but I don't understand the purpose of the IC used(red circle) in the image attached below, Also what is LS14, the figure of the logic gate compels me to say it is a 14pin inverter IC. Is it?

 

The 74LS14 is a schmitt trigger inverter. I think it is being used to give nice clean transitions on the signals.

Les.

 

It's a Hex gate Schmidt Inverter for TTl fast switching, they are using all the gates so as not to waste any power, like parallel outputs for led driver.

 

It's a Hex gate Schmidt Inverter for TTl fast switching, they are using all the gates so as not to waste any power, like parallel outputs for led driver.

View attachment 124250

Then the LS05 is also doing the same thing, isn't it ?