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Code Issues Releases Wiki Activity

7_segment displays added as PCB component.

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Chris Palmer
2021-09-11 11:15:39 +01:00
parent 696b14699c
commit ce0c97b45e
7 changed files with 200 additions and 1 deletions
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30
readme.md
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@@ -48,6 +48,36 @@ A list of changes classified as breaking, additions or fixes is maintained in [C
<tr><td> <a href = "#Hygrometer">Hygrometer</a> </td><td> <a href = "#Pulleys">Pulleys</a> </td><td> <a href = "#Zipties">Zipties</a> </td><td> <a href = "#Strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
</table>
---
<a name="7_segments"></a>
## 7_segments
7 Segment displays
[vitamins/7_segments.scad](vitamins/7_segments.scad) Object definitions.
[vitamins/7_segment.scad](vitamins/7_segment.scad) Implementation.
[tests/7_segments.scad](tests/7_segments.scad) Code for this example.
### Properties
| Function | Description |
|:--- |:--- |
| `7_segment_digit_size(type)` | Size of the actual digit and segemnt width and angle |
| `7_segment_pin_pitch(type)` | x and y pin pitches and pin diameter |
| `7_segment_pins(type)` | None |
| `7_segment_size(type)` | Size of the body |
### Modules
| Module | Description |
|:--- |:--- |
| `7_segment_digit(type, colour = grey(95)` | Draw the specified 7 segment digit |
| `7_segment_digits(type, n, colour = grey(70)` | Draw n digits side by side |
![7_segments](tests/png/7_segments.png)
<a href="#top">Top</a>
---
<a name="Axials"></a>
## Axials

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tests/7_segments.scad Normal file
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@@ -0,0 +1,29 @@
//
// NopSCADlib Copyright Chris Palmer 2021
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
include <../core.scad>
use <../utils/layout.scad>
include <../vitamins/7_segments.scad>
module 7_segments()
layout([for(s = 7_segments) 7_segment_size(s).x * 2], 5) let(s = 7_segments[$i])
7_segment_digits(s, 2);
if($preview)
7_segments();

5
tests/PCB.scad
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@@ -22,6 +22,8 @@ include <../vitamins/d_connectors.scad>
include <../vitamins/leds.scad>
include <../vitamins/axials.scad>
include <../vitamins/smds.scad>
include <../vitamins/7_segments.scad>
include <../vitamins/potentiometers.scad>
use <../vitamins/pcb.scad>
@@ -46,7 +48,7 @@ TMC2130 = ["TMC2130", "TMC2130",
[]
];
test_pcb = ["TestPCB", "Test PCB",
test_pcb = ["test_pcb", "Test PCB",
100, 250, 1.6, // length, width, thickness
3, // Corner radius
2.75, // Mounting hole diameter
@@ -138,6 +140,7 @@ test_pcb = ["TestPCB", "Test PCB",
[ 50, 220, 0, "standoff", 5, 4.5, 12.5, 2.54],
[ 50, 240, 0, "potentiometer"],
[ 75, 240, 0, "potentiometer", 7, 8],
[ 30, 85, -90, "7seg", WT5011BSR, 2],
],
// accessories
[]

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vitamins/7_segment.scad Normal file
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//
// NopSCADlib Copyright Chris Palmer 2021
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
//
//! 7 Segment displays
//
include <../utils/core/core.scad>
function 7_segment_size(type) = type[1]; //! Size of the body
function 7_segment_digit_size(type) = type[2]; //! Size of the actual digit and segemnt width and angle
function 7_segment_pins(type) = type[3]; //! [x, y] array of pins
function 7_segment_pin_pitch(type) = type[4]; //! x and y pin pitches and pin diameter
module 7_segment_digit(type, colour = grey(95), pin_length = 6.4) { //! Draw the specified 7 segment digit
size = 7_segment_size(type);
digit = 7_segment_digit_size(type);
pins = 7_segment_pins(type);
pin_pitch = 7_segment_pin_pitch(type);
color(grey(95))
linear_extrude(size.z)
square([size.x - 0.1, size.y], center = true);
color(grey(15))
translate_z(size.z)
cube([size.x - 0.1, size.y, eps], center = true);
color(colour)
translate_z(size.z)
linear_extrude(2 * eps) {
t = digit[2];
a = digit[3];
sq = [digit.x - 2 * t, (digit.y - 3 * t) / 2];
multmatrix([ // Skew
[1, tan(a), 0, 0],
[0, 1, 0, 0],
[0, 0, 1, 0],
[0, 0, 0, 1]
])
difference() {
square([digit.x, digit.y], center = true);
for(y = [-1, 1], x = [-1, 1]) {
translate([0, y * (t + sq.y) / 2])
square(sq, center = true);
translate([x * digit.x / 2, y * digit.y / 2])
rotate(-45 * x * y) {
square([10, t], center = true);
square([t / 5, 10], center = true);
}
translate([x * (digit.x - t) / 2, 0])
rotate(45) {
square([t / 5, t * 2], center = true);
square([t * 2, t / 5], center = true);
translate([x * t / 2, -x * t / 2])
square([t, t], center = true);
}
}
}
r = 1.25 * t / 2;
translate([digit.x / 2 - r + digit.y / 2 * tan(a), -digit.y / 2 + r])
circle(r);
}
color(silver)
translate_z(-pin_length)
linear_extrude(pin_length)
for(x = [0 : 1 : pins.x - 1], y = [0 : 1 : pins.y - 1])
translate([(x - (pins.x - 1) / 2) * pin_pitch.x, (y - (pins.y - 1) / 2) * pin_pitch.y])
circle(d = pin_pitch[2], $fn = 16);
}
module 7_segment_digits(type, n, colour = grey(70), pin_length = 6.4, cutout = false) { //! Draw n digits side by side
size = 7_segment_size(type);
if(cutout)
linear_extrude(100)
square([n * size.x, size.y], center = true);
else
for(i = [0 : 1 : n - 1])
translate([(i - (n - 1) / 2) * size.x, 0])
7_segment_digit(type, colour, pin_length);
}

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vitamins/7_segments.scad Normal file
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//
// NopSCADlib Copyright Chris Palmer 2021
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
//
//! 7 Segment displays
//
WT5011BSR = ["WT5011BSR", [12.7, 19, 8.2], [7.2, 12.7, 1.2, 10], [5, 2], [inch(0.1), inch(0.6), 0.4]];
7_segments = [ WT5011BSR ];
use <7_segment.scad>

2
vitamins/pcbs.scad
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@@ -22,6 +22,8 @@ include <leds.scad>
include <axials.scad>
include <smds.scad>
include <green_terminals.scad>
include <7_segments.scad>
include <potentiometers.scad>
//
// l w t r h l c b h