: You must close and reopen the software for the new components to appear in the library search. 2. Solve "No Model Specified" Error

The MAX30100 library is notoriously sensitive to I2C bus speed and power-on timing.

: C:\ProgramData\Labcenter Electronics\Proteus 8 Professional\Data\LIBRARY (Note: ProgramData is often a hidden folder).

delay(1000);