Click on or press P on the keyboard. In the Keywords field, type HT12E . You should now see the component with its correct pinout.
Some third-party repositories offer outdated or corrupted .IDX and .LIB files that cause Proteus to crash. Therefore, you need a reliable source and a proper installation method. ht12e and ht12d library for proteus download
If you cannot find a ready-made library, you can create a simulation model using: Click on or press P on the keyboard
You need to find where your Proteus software stores its library files. Some third-party repositories offer outdated or corrupted
The HT12D is the counterpart decoder. It receives the serial data stream transmitted by the HT12E. It checks the address bits. If the address matches the settings on the decoder, it latches the data bits to its output pins and drives the VT (Valid Transmission) pin high.