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 ...
What if you could broadcast signals across the globe using just a credit-card-sized computer and a handful of components? It might sound like a scene from a sci-fi novel, but with a Raspberry Pi and ...
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