The project described in this article is a ready-made item from a $2.00 shop! And it is made in China! It is a wireless doorbell with a cost of about $10.00. It is so cheap, you could not build it ...

We don’t know who the [amgworkshop] wanted to listen in on, but they apparently went searching for a small FM wireless transmitter. There’s plenty of circuits around, but they wanted something smaller ...

Here is a wireless FM Transmitter which uses RF communication to transmit the medium or low power FM signal with the maximum transmission range of around 2 km. Here is a wireless FM Transmitter which ...

Graphene’s potential was recognized earlier this month when those who first studied it in the lab won the 2010 Nobel Prize in Physics. But researchers are just beginning to figure out how to take ...

Scientists have achieved a milestone in creating a building block for the future of wireless devices. Researchers have announced the first integrated circuit fabricated from wafer-size graphene, and ...