How can you build a small radio controlled servo?

dear sir / madiam i no to that how to make a wireless connetion into in my light or car etc............ plz

The construction of an AM radio generally consists of a germanium diode crystal along with an electro magnet. In order to receive different currents, the crystal is responsible for the changing...

To build a radio you will need a receiver and a sender. This would be an antenna and some radio station sending a signal. You will also need an amplifier or speaker to hear the translated signal from...

The process for build a FM radio depend upon what type of receiver you want to made for example crystal receiver or currently using super hetrodyne receiver. if you want to make super hetrodyne...

Any radio set looks better in a neat container. A cabinet for your crystal set can easily be made from a square foot of either hardboard or three-ply wood. Cut the parts required -- that is, two...