+/*
+ Copyright (C) 2015 Daniel Watson
+ See the end of the file for license conditions.
+*/
// challenge-bot
// GNU AGPLv3 (or later at your option)
-// project available at these locations:
-// https://gitorious.org/ozzloy/challenge-bot
-// https://github.com/waynegramlich/challenge-bot
+// project available here:
+// https://challenge-bot.com/
/*
this holds an hc-sr04 sonar sensor to a 3/16 inch deck.
$fn = 60;
-use <oshw.scad>
-// 3/16 inch in mm deck_depth = 4.7625;
-// 1/4 inch in mm = 6.35
-// subtract a little to be a squeeze fit
-deck_depth = 4.7625 - 0.4;
-// sonar sensor measurements taken with calipers:
-// 10.82 in between, 42.33 outside, 15.82 diameter
-// measured diameter of 15.82 with calipers,
-// but when printed ends up being too small, so add some
-sonar_diameter = 15.82 + 0.4;
-sonar_radius = sonar_diameter / 2;
-sonar_height = 13.8;
-between_sonar_centers = sonar_diameter + 10.82;
-// the sonar cylinders are placed on the pcb at slightly different positions
-// from one sensor to the next, so this allows for that variance.
-between_sonar_centers_variance = 2;
-// keep at least this much plastic surrounding the sonar cylinder on all sides
-buffer = 3;
-sonar_holder_length = buffer + between_sonar_centers + sonar_diameter + buffer;
-sonar_holder_width = buffer + sonar_diameter + buffer;
-// sonar_holder_depth is deck_depth minus a little bit to make arm fit
-// into deck holder
-sonar_holder_depth = deck_depth - 0.7875;
-
-deck_holder_length = sonar_holder_depth * 2 + deck_depth + 15;
-
-oshw_dy = 120.366;
-oshw_dx = 133.888;
+include <oshw-data.scad>
// 3/16 inch in mm deck_depth = 4.7625;
// 1/4 inch in mm = 6.35
buffer = 3;
sonar_holder_length = buffer + between_sonar_centers + sonar_diameter + buffer;
sonar_holder_width = buffer + sonar_diameter + buffer;
+
// sonar_holder_depth is deck_depth minus a little bit to make arm fit
// into deck holder
sonar_holder_depth = deck_depth - 0.7875;
deck_holder_length = sonar_holder_depth * 2 + deck_depth + 15;
-module sonars() {
- translate([between_sonar_centers / 2, 0, 0]) {
- cylinder(r = sonar_radius, h = sonar_height); }
- // for the variance with which the physical sonar cylinders are placed
- translate([between_sonar_centers / 2 - between_sonar_centers_variance, 0, 0]) {
- cylinder(r = sonar_radius, h = sonar_height);
- translate([0, -sonar_radius, 0]) {
- cube([between_sonar_centers_variance, sonar_diameter, sonar_height]); } }
- translate([-between_sonar_centers / 2, 0, 0]) {
- cylinder(r = sonar_radius, h = sonar_height); } }
-
-module sonar_holder() {
- elbow_length = deck_depth;
- rounded_corner_radius = buffer;
- difference() {
- cube([sonar_holder_length, sonar_holder_width, sonar_holder_depth]);
- translate([sonar_holder_length / 2, sonar_holder_width / 2, -0.05]) {
- sonars(); }
- translate([sonar_holder_length - rounded_corner_radius,
- sonar_holder_width - rounded_corner_radius,
- 0]) {
- corner_rounder(rounded_corner_radius, sonar_holder_depth); } }
- translate([sonar_holder_length, 0, 0]) {
- cube([elbow_length, deck_depth, sonar_holder_depth]);
- translate([elbow_length, 0, 0]) {
- linear_extrude(height = sonar_holder_depth) {
- polygon([[ 0, 0],
- [sonar_holder_depth, 0],
- [sonar_holder_depth, sonar_holder_width / 2],
- [ 0,
- sonar_holder_width / 2 + sonar_holder_depth]]); }
- translate([0, (sonar_holder_width + sonar_holder_depth) / 2, 0]) {
- cube([sonar_holder_depth / 2,
- (sonar_holder_width - sonar_holder_depth) / 2 + 0.8,
- sonar_holder_depth]); }
- translate([-1.7, sonar_holder_width + 0.8, 0]) {
- linear_extrude(height = sonar_holder_depth) {
- polygon([[ 0, 0],
- [sonar_holder_depth / 2 + 1.7, 4],
- [sonar_holder_depth / 2 + 1.7, 0]]); } } } } }
-
module deck_holder() {
+ oshw_height = 0.75;
deck_holder_width = sonar_holder_width - deck_depth;
deck_holder_height = sonar_holder_depth * 2 + deck_depth;
linear_extrude(height = deck_holder_width) {
difference() {
square([deck_holder_length, deck_holder_height]);
translate([sonar_holder_depth - 0.15, sonar_holder_depth - 0.15]) {
+
+/*
+ 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 <http://www.gnu.org/licenses/>.
+*/
square(deck_depth + 0.3); }
translate([deck_holder_height, sonar_holder_depth - 0.3]) {
square([deck_holder_length - (deck_holder_height),
scale([0.1, 0.1, 1])
linear_extrude(height = 0.5)
oshw(); }
-
-module corner_rounder_2d(radius) {
- difference() {
- square(radius);
- circle(radius); } }
-
-module corner_rounder(radius, height) {
- linear_extrude(height = height) {
- corner_rounder_2d(radius); } }
projects / challenge-bot / blobdiff