We've developed numerous Arduino modules for various fields of teaching. Each section is divided into kindergarten through 6th grade and 6th grade through 12th grade. While some of these modules can ...

They're also on the pricier side, but you can build your own secure access with an Arduino. Just be warned: this one is a bit more complicated than the others on this list. You'll need the sensor ...

Nevertheless, this could be a handy sensor, and it’s definitely a solid lesson in design. Still, if your tastes run more toward using this module on the 1.25-cm ham band, have a look at this ...