If you don’t see them, go to and ensure the files are ticked/enabled.
Proteus is a popular simulation software used for designing and testing electronic circuits. With a Proteus library file, you can easily add HT12E and HT12D to your Proteus project and simulate their behavior.
Would you like a clean, step‑by‑step guide to creating an HT12E/HT12D part in Proteus ISIS instead?
: Navigate to the Proteus installation directory on your PC.
For engineers and hobbyists working with wireless RF communication, the HT12E (Encoder) HT12D (Decoder)