/* Copyright 2016 Daniel Watson See the end of the file for license conditions. */ /* challenge-bot // GNU AGPLv3 (or later at your option) // project available here: // https://challenge-bot.com/ */ /* this holds an hc-sr04 sonar sensor to a 3/16 inch deck. http://fritzing.org/projects/hc-sr04-project it can hold the sonar sensor either facing down, or forwards. when facing down, it can detect if it passes over the edge of a table. when facing forwards, it can detect and follow something in front of it. */ $fn = 30; sonar_diameter_measured = 15.82; sonar_diameter_print_fudge = 0.5; sonar_diameter = sonar_diameter_measured + sonar_diameter_print_fudge; sonar_radius = sonar_diameter / 2; module sonar_binder_clip_holder(sonar_radius) { circle(sonar_radius); } /* This file is part of challenge-bot. Challenge-bot is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. GNU Affero Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with challenge-bot. If not, see . */