If LEDs respond and VT toggles, your .
To include high-quality models of the HT12E and HT12D in Proteus, you can download specialized library files (typically in formats) or use dedicated ECAD importers. How to Import HT12E and HT12D IC into Proteus 8 ht12e and ht12d proteus library file download extra quality
Simulating these allows you to verify your addressing logic and data transmission before soldering a single wire. If LEDs respond and VT toggles, your