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 ...

[Reza’s] methodical investigation of this remote controlled outlet let him patch in with an Arduino using a 433 MHz transmitter ... That used some type of weird button scanning (not just ...

Makers and hobbyists looking to learn more about the Arduino platform ... HC-SR04 ultrasonic transmitter/receiver module. With this module, we will be able to create all sorts of fun projects ...