Lifehacker Build a Solar-Powered Camera Radio Beacon with a Raspberry Pi Lifehacker A Raspberry Pi -controlled camera takes the picture, the Raspberry Pi translates the images into an audio signal, and the image is then slowly broadcast using slow-scan television (SSTV) transmissions over via an attached radio. And the whole thing is …

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Build a Solar-Powered Camera Radio Beacon with a Raspberry Pi – Lifehacker