Open3ヶ月前にコメント追加2ソナーは作れるのかhttps://hackaday.io/project/174731-diy-echosounder https://www.quora.com/What-basic-components-are-needed-to-make-a-DIY-sonar-sensor-in-order-to-measure-a-depth-of-a-river-up-to-30-metres ログインするとコメントできますLogin
https://www.quora.com/What-basic-components-are-needed-to-make-a-DIY-sonar-sensor-in-order-to-measure-a-depth-of-a-river-up-to-30-metres