Cool Summer Free Article of the week: Bat DetectorPLUS

Original publication: Elektor magazine July & August 2016.
Author: Kenneth Horton.
Free download expires: Friday 19 July, 2019.

Having an apartment in Cyprus, each evening I can see bats fly past my balcony on the way to their feeding grounds. I decided that it would be a good idea to ‘tune in’ to the bats as they flew past. The idea culminated in a bat detector that’s possibly the most refined of its kind published in Elektor.
 

Go to the article page and download a pdf copy of the magazine article. Downloading is free until Friday 19 July, 2019.