Many low-cost wireless temperature and humidity sensors use a 433 MHz transmitter to send data ... as long as you’ve got a spare Raspberry Pi lying around. Called nexus433, it uses a cheap ...
One of the more recent seemingly impossible feats of signal synthesis on a Raspberry Pi comes from [Evariste Courjaud, F5OEO]. He’s created a DVB-S digital TV transmitter that produces a usable ...
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