Sometimes, you'll also encounter Arduino tutorials in the wild that include links to a Wokwi circuit as creators and developers typically create one to show the project's schematic diagram.

Somebody on Facebook recently asked about finding an easy-to-use shield helpful for experimenting with Arduino wherein he wants to try a single one instead of a number ... Looking up the schematic ...

Just follow the schematic diagram to complete the construction ... Procure one Atmega328 chip with pre-burned Arduino Bootloader Replace the original chip in your Arduino board with this one Now ...

The classic simulator is on the left and the virtual Arduino ... But there is one really important issue that may get resolved eventually. Normally when you draw a schematic you can save it ...