These days, 433-MHz RF transmitter/receiver modules are very popular with electronics hobbyists and tinkerers. These cheap short-range radio modules can be used with almost all microcontrollers for a ...

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.

and one thing only -- schematics. It's kind of like Scribd but, instead of being loaded with court documents and shoddy how-to books, it features user-uploaded circuit diagrams to get you started ...

433 MHz radio signals are all around ... [Joonas] first explores using an Arduino to do the job, paired with a RFM210LCF-433D radio receiver module. This setup dumps out data to a computer over ...