'kv4p HT' is an amateur radio transceiver that can be used in combination with an Android smartphone, and can send and receive voice and text messages. kv4p HT is developed with all open source ...

Clear timbre, , clear, and true! High quality ABS material, in use. Easy to operate and control. This is a CB radios external speaker TS-750 for your radio. Compact and delicate, easy to carry. Built ...

Many of us have fond memories of our introduction to electronics through the “200-in-1” sets that Radio Shack once sold, or even the more recent “Snap Circuits”-style kits. Most of eventually us move ...

Well before the days of the tweet and the status update, people communicated with each other over sweeping distances by quite literally harnessing the earth's magnetic field to send messages via radio ...