Sometimes, it is useful to transmit a low-power radio signal to create a beacon, to send a signal carrier to a near receiver, to transmit in QRP or QRPP mode, and so on. The circuit shown here is very ...

To build this simple radio transmitter, you will need to gather the parts such as a 9V battery, a clip, wires, a prototype board, a trimmer capacitor, a resistor, an audio plug, etc. From tools, ...

I put some portable FM transmitters to the test to see which ones deliver the cleanest signal, easiest usability, and best ...

Suppose you traveled back in time—say 40,000 years into the past—and then you got stuck. What would you do? How would you rebuild all the stuff that you like? That's the premise of the book How to ...

I put FM transmitters to the test to see which ones deliver the cleanest signal, easiest usability, and best performance for ...

We live our lives in a wireless world, from our short-range radio toys to our garage door openers, which become our own personal internet of things encircling our entire home. These radio tools and ...

Broadcast Electronics, under new ownership, will introduce an AM transmitter called AMX, highlighting a compact design and ...

If you are looking for an easy weekend project, you should check out our list of 5 easiest simple FM transmitters to make at home. When you were a kid, you had probably wished you knew how to make all ...