Analogue input

Unlike many embedded controller boards, the Raspberry Pi does not have any analogue input. For a lot of uses this is not an issue, but as I progress with my plans to build an ultrasonic recording and processing system (a.k.a “bat detector”) I’m beginning to think that I need to add some analogue input to …

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Going Batty

I’m a big fan of bats. I even went so far as to make a video at Natterer’s Wood in Bury St Edmunds. I have borrowed a “bat detector” (a device for listening to the ultrasonic noises made by bats as they fly and hunt) a few times, and it has always been very interesting, …

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