Bluetooth FM transmitters are affordable and simple devices that let you stream audio from a phone to a car, along with the ...

[Reza’s] methodical investigation of this remote controlled outlet let him patch in with an Arduino using a 433 MHz transmitter ... should allow you to take control of wireless rigs that ...

This is likely to happen if you live close to a transmitter. Attenuators can be used to decrease the incoming signal if it is too strong without distorting it. It is effectively the opposite of an ...

Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ...