Is this of interest to you? https://hackaday.com/2022/02/23/bend-it-like-sonar-beacon-with-a-phased-array/ https://hackaday.com/2022/02/23/bend-it-like-sonar-b

Is this of interest to you? https://hackaday.com/2022/02/23/bend-it-like-sonar-beacon-with-a-phased-array/ https://hackaday.com/2022/02/23/bend-it-like-sonar-beacon-wi...