If you were to ask people whether or not they listen to radio these days, more than you think would reply that they do listen to the radio. However, very few of them do so through FM Radio or even ...
Your iPhone is many things. My iPhone is many things. For each of us, the most important functions will differ. Some people might think it’s most useful as a mobile messenger client, others as a GPS ...
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 ...
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