Merge branch 'martinbudden-pcb_terminals'

Updated images and readme.
Note BigTreeTech Relay Module v1.2 PCB added.

CHANGELOG.md

@@ -3,6 +3,18 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+## [v19.0.0](https://github.com/nophead/NopSCADlib/releases/tag/v19.0.0 "show release") Breaking Changes [...](https://github.com/nophead/NopSCADlib/compare/v18.4.0...v19.0.0 "diff with v18.4.0")
+*   2022-01-23 [`d4e8dd8`](https://github.com/nophead/NopSCADlib/commit/d4e8dd831187ea87ab8618f52541f3e53c0c17f8 "show commit") [C.P.](# "Chris Palmer") `Wire_hole_radius()` now rounded up to half mm diameters to match metric drills.
+`mouse_grommet` STL name is now based on the diameter instead of the radius.
+Added `mouse_grommet_length(r)` and documented `mouse_grommet_offset(r)`.
+
+### [v18.4.0](https://github.com/nophead/NopSCADlib/releases/tag/v18.4.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v18.3.2...v18.4.0 "diff with v18.3.2")
+*   2022-01-23 [`1928ec6`](https://github.com/nophead/NopSCADlib/commit/1928ec6fb162d44ffa2a8b37cdc5a064040e043c "show commit") [C.P.](# "Chris Palmer") Box can now be named to allow more than one in a project.
+`box_hole_inset(type)` documented.
+
+#### [v18.3.2](https://github.com/nophead/NopSCADlib/releases/tag/v18.3.2 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v18.3.1...v18.3.2 "diff with v18.3.1")
+*   2022-01-23 [`f4b9ab9`](https://github.com/nophead/NopSCADlib/commit/f4b9ab961cea8364eaf6b75cd308b91978234ae8 "show commit") [C.P.](# "Chris Palmer") Fixed `blower_exit_offset()` for square blowers with 2 screws.
+
 #### [v18.3.1](https://github.com/nophead/NopSCADlib/releases/tag/v18.3.1 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v18.3.0...v18.3.1 "diff with v18.3.0")
 *   2022-01-10 [`317b485`](https://github.com/nophead/NopSCADlib/commit/317b485ee1c17ef8f8004014a54f1c6706201932 "show commit") [C.P.](# "Chris Palmer") Updated the image.
 

printed/psu_shroud.scad

@@ -27,6 +27,7 @@ use <../vitamins/insert.scad>
 use <../vitamins/wire.scad>
 use <../vitamins/psu.scad>
 use <../utils/round.scad>
+use <../vitamins/terminal.scad>
 
 wall = 1.8;
 top = 1.5;

readme.md

@@ -38,15 +38,15 @@ A list of changes classified as breaking, additions or fixes is maintained in [C
 <tr><td> <a href = "#Components">Components</a> </td><td> <a href = "#Nuts">Nuts</a> </td><td> <a href = "#Springs">Springs</a> </td><td> <a href = "#Knob">Knob</a> </td><td> <a href = "#Rounded_cylinder">Rounded_cylinder</a> </td><td></td></tr>
 <tr><td> <a href = "#DIP">DIP</a> </td><td> <a href = "#O_ring">O_ring</a> </td><td> <a href = "#Stepper_motors">Stepper_motors</a> </td><td> <a href = "#PCB_mount">PCB_mount</a> </td><td> <a href = "#Rounded_polygon">Rounded_polygon</a> </td><td></td></tr>
 <tr><td> <a href = "#D_connectors">D_connectors</a> </td><td> <a href = "#Opengrab">Opengrab</a> </td><td> <a href = "#Swiss_clips">Swiss_clips</a> </td><td> <a href = "#PSU_shroud">PSU_shroud</a> </td><td> <a href = "#Rounded_triangle">Rounded_triangle</a> </td><td></td></tr>
-<tr><td> <a href = "#Displays">Displays</a> </td><td> <a href = "#PCB">PCB</a> </td><td> <a href = "#Toggles">Toggles</a> </td><td> <a href = "#Pocket_handle">Pocket_handle</a> </td><td> <a href = "#Sector">Sector</a> </td><td></td></tr>
-<tr><td> <a href = "#Extrusion_brackets">Extrusion_brackets</a> </td><td> <a href = "#PCBs">PCBs</a> </td><td> <a href = "#Transformers">Transformers</a> </td><td> <a href = "#Press_fit">Press_fit</a> </td><td> <a href = "#Sweep">Sweep</a> </td><td></td></tr>
-<tr><td> <a href = "#Extrusions">Extrusions</a> </td><td> <a href = "#PSUs">PSUs</a> </td><td> <a href = "#Tubings">Tubings</a> </td><td> <a href = "#Printed_box">Printed_box</a> </td><td> <a href = "#Thread">Thread</a> </td><td></td></tr>
-<tr><td> <a href = "#Fans">Fans</a> </td><td> <a href = "#Panel_meters">Panel_meters</a> </td><td> <a href = "#Variacs">Variacs</a> </td><td> <a href = "#Printed_pulleys">Printed_pulleys</a> </td><td> <a href = "#Tube">Tube</a> </td><td></td></tr>
-<tr><td> <a href = "#Fuseholder">Fuseholder</a> </td><td> <a href = "#Pillars">Pillars</a> </td><td> <a href = "#Veroboard">Veroboard</a> </td><td> <a href = "#Ribbon_clamp">Ribbon_clamp</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#Geared_steppers">Geared_steppers</a> </td><td> <a href = "#Pillow_blocks">Pillow_blocks</a> </td><td> <a href = "#Washers">Washers</a> </td><td> <a href = "#SSR_shroud">SSR_shroud</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#Green_terminals">Green_terminals</a> </td><td> <a href = "#Pin_headers">Pin_headers</a> </td><td> <a href = "#Wire">Wire</a> </td><td> <a href = "#Screw_knob">Screw_knob</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#Hot_ends">Hot_ends</a> </td><td> <a href = "#Potentiometers">Potentiometers</a> </td><td> <a href = "#Zipties">Zipties</a> </td><td> <a href = "#Socket_box">Socket_box</a> </td><td></td><td></td></tr>
-<tr><td> <a href = "#Hygrometer">Hygrometer</a> </td><td> <a href = "#Pulleys">Pulleys</a> </td><td></td><td> <a href = "#Strap_handle">Strap_handle</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#Displays">Displays</a> </td><td> <a href = "#PCB">PCB</a> </td><td> <a href = "#Terminals">Terminals</a> </td><td> <a href = "#Pocket_handle">Pocket_handle</a> </td><td> <a href = "#Sector">Sector</a> </td><td></td></tr>
+<tr><td> <a href = "#Extrusion_brackets">Extrusion_brackets</a> </td><td> <a href = "#PCBs">PCBs</a> </td><td> <a href = "#Toggles">Toggles</a> </td><td> <a href = "#Press_fit">Press_fit</a> </td><td> <a href = "#Sweep">Sweep</a> </td><td></td></tr>
+<tr><td> <a href = "#Extrusions">Extrusions</a> </td><td> <a href = "#PSUs">PSUs</a> </td><td> <a href = "#Transformers">Transformers</a> </td><td> <a href = "#Printed_box">Printed_box</a> </td><td> <a href = "#Thread">Thread</a> </td><td></td></tr>
+<tr><td> <a href = "#Fans">Fans</a> </td><td> <a href = "#Panel_meters">Panel_meters</a> </td><td> <a href = "#Tubings">Tubings</a> </td><td> <a href = "#Printed_pulleys">Printed_pulleys</a> </td><td> <a href = "#Tube">Tube</a> </td><td></td></tr>
+<tr><td> <a href = "#Fuseholder">Fuseholder</a> </td><td> <a href = "#Pillars">Pillars</a> </td><td> <a href = "#Variacs">Variacs</a> </td><td> <a href = "#Ribbon_clamp">Ribbon_clamp</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#Geared_steppers">Geared_steppers</a> </td><td> <a href = "#Pillow_blocks">Pillow_blocks</a> </td><td> <a href = "#Veroboard">Veroboard</a> </td><td> <a href = "#SSR_shroud">SSR_shroud</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#Green_terminals">Green_terminals</a> </td><td> <a href = "#Pin_headers">Pin_headers</a> </td><td> <a href = "#Washers">Washers</a> </td><td> <a href = "#Screw_knob">Screw_knob</a> </td><td></td><td></td></tr>
+<tr><td> <a href = "#Hot_ends">Hot_ends</a> </td><td> <a href = "#Potentiometers">Potentiometers</a> </td><td> <a href = "#Wire">Wire</a> </td><td> <a href = "#Socket_box">Socket_box</a> </td><td></td><td></td></tr>
+<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>
 
 ---
@@ -2546,6 +2546,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(ArduinoLeonardo)` |  Arduino Leonardo |
 |   1 | `pcb(ArduinoNano)` |  Arduino Nano |
 |   1 | `pcb(ArduinoUno3)` |  Arduino Uno R3 |
+|   1 | `pcb(BTT_RELAY_V1_2)` |  BigTreeTech Relay Module v1.2 |
 |   1 | `pcb(BTT_SKR_E3_TURBO)` |  BigTreeTech SKR E3 Turbo |
 |   1 | `pcb(BTT_SKR_MINI_E3_V2_0)` |  BigTreeTech SKR Mini E3 v2.0 |
 |   1 | `pcb(BTT_SKR_V1_4_TURBO)` |  BigTreeTech SKR v1.4 Turbo |
@@ -2570,7 +2571,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `molex_254(3)` |  Molex KK header 3 way - not shown |
 |  20 | `nut(M2_nut, nyloc = true)` |  Nut M2 x 1.6mm nyloc |
 |  30 | `nut(M2p5_nut, nyloc = true)` |  Nut M2.5 x 2.2mm nyloc |
-|  28 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
+|  32 | `nut(M3_nut, nyloc = true)` |  Nut M3 x 2.4mm nyloc |
 |   8 | `nut(M4_nut, nyloc = true)` |  Nut M4 x 3.2mm nyloc |
 |   1 | `pcb(PI_IO)` |  PI_IO V2 - not shown |
 |   1 | `pcb(PSU12V1A)` |  PSU 12V 1A - not shown |
@@ -2594,8 +2595,8 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   4 | `screw(M2p5_pan_screw, 20)` |  Screw M2.5 pan x 20mm |
 |   8 | `screw(M2p5_pan_screw, 25)` |  Screw M2.5 pan x 25mm |
 |  10 | `screw(M3_cap_screw, 16)` |  Screw M3 cap x 16mm |
-|  14 | `screw(M3_cap_screw, 30)` |  Screw M3 cap x 30mm |
-|   4 | `screw(M3_cap_screw, 35)` |  Screw M3 cap x 35mm |
+|  13 | `screw(M3_cap_screw, 30)` |  Screw M3 cap x 30mm |
+|   9 | `screw(M3_cap_screw, 35)` |  Screw M3 cap x 35mm |
 |   8 | `screw(M4_cap_screw, 35)` |  Screw M4 cap x 35mm |
 |   1 | `pcb(XIAO)` |  Seeeduino XIAO |
 |   1 | `pcb(TP4056)` |  TP4056 Li-lon Battery charger module |
@@ -2605,7 +2606,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(WD2002SJ)` |  WD2002SJ Buck Boost DC-DC converter |
 |  20 | `washer(M2_washer)` |  Washer  M2 x 5mm x 0.3mm |
 |  30 | `washer(M2p5_washer)` |  Washer  M2.5 x 5.9mm x 0.5mm |
-|  28 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
+|  32 | `washer(M3_washer)` |  Washer  M3 x 7mm x 0.5mm |
 |   8 | `washer(M4_washer)` |  Washer  M4 x 9mm x 0.8mm |
 |   1 | `pcb(ZC_A0591)` |  ZC-A0591 ULN2003 driver PCB |
 
@@ -2625,13 +2626,14 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   2 | pcb_spacer2550.stl |
 |   4 | pcb_spacer2580.stl |
 |   4 | pcb_spacer30160.stl |
-|   5 | pcb_spacer30190.stl |
+|   4 | pcb_spacer30190.stl |
 |   5 | pcb_spacer30200.stl |
-|   4 | pcb_spacer30210.stl |
+|   5 | pcb_spacer30210.stl |
+|   4 | pcb_spacer30220.stl |
 |   4 | pcb_spacer3050.stl |
 |   6 | pcb_spacer3060.stl |
-|   4 | pcb_spacer40220.stl |
 |   4 | pcb_spacer40230.stl |
+|   4 | pcb_spacer40240.stl |
 
 
 <a href="#top">Top</a>
@@ -2888,19 +2890,12 @@ Face order is bottom, top, left, right, front, back.
 | `psu_screw_hole_radius(type)` | Clearance hole for screw, bigger than normal on ATX |
 | `psu_terminals(type)` | How many terminals and the y offset from the back |
 | `psu_width(type)` | Width |
-| `terminal_block_depth(type)` | Total depth |
-| `terminal_block_depth2(type)` | Depth of contact well |
-| `terminal_block_divider(type)` | Width of the dividers |
-| `terminal_block_height(type)` | Height of the dividers |
-| `terminal_block_height2(type)` | Height under the contacts |
-| `terminal_block_pitch(type)` | Pitch between screws |
 
 ### Functions
 | Function | Description |
 |:--- |:--- |
 | `psu_face_transform(type, face)` | Returns a transformation matrix to get to the specified face |
 | `psu_size(type)` | Size |
-| `terminal_block_length(type, ways)` | Total length of terminal block |
 
 ### Modules
 | Module | Description |
@@ -2908,7 +2903,6 @@ Face order is bottom, top, left, right, front, back.
 | `atx_psu_cutout(type, face = f_front)` | Cut out for the rear of an ATX, which is actually f_front! |
 | `psu(type)` | Draw a power supply |
 | `psu_screw_positions(type, face = undef)` | Position children at the screw positions on the preferred mounting face, which can be overridden. |
-| `terminal_block(type, ways)` | Draw a power supply terminal block |
 
 ![psus](tests/png/psus.png)
 
@@ -3938,6 +3932,38 @@ Should be reasonably accurate if not close to fully open.
 |   2 | `swiss_clip(UKPFS1008_10)` |  Swiss picture clip UKPFS1008_10 11mm |
 
 
+<a href="#top">Top</a>
+
+---
+<a name="Terminals"></a>
+## Terminals
+[vitamins/terminal.scad](vitamins/terminal.scad) Implementation.
+
+[tests/terminals.scad](tests/terminals.scad) Code for this example.
+
+### Properties
+| Function | Description |
+|:--- |:--- |
+| `terminal_block_depth(type)` | Total depth |
+| `terminal_block_depth2(type)` | Depth of contact well |
+| `terminal_block_divider(type)` | Width of the dividers |
+| `terminal_block_height(type)` | Height of the dividers |
+| `terminal_block_height2(type)` | Height under the contacts |
+| `terminal_block_pitch(type)` | Pitch between screws |
+
+### Functions
+| Function | Description |
+|:--- |:--- |
+| `terminal_block_length(type, ways)` | Total length of terminal block |
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| `terminal_block(type, ways)` | Draw a power supply terminal block |
+
+![terminals](tests/png/terminals.png)
+
+
 <a href="#top">Top</a>
 
 ---

tests/terminals.scad

@@ -0,0 +1,28 @@
+//
+// NopSCADlib Copyright Chris Palmer 2018
+// 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 <../utils/core/core.scad>
+
+use<../vitamins/terminal.scad>
+
+mw_terminals = [9.525, 1.5, 15, 17.8, 7, 15];
+
+module terminals()
+    terminal_block(mw_terminals, 10);
+
+terminals();

vitamins/pcb.scad

@@ -38,6 +38,7 @@ use <led.scad>
 use <dip.scad>
 use <axial.scad>
 use <smd.scad>
+use <terminal.scad>
 include <potentiometers.scad>
 
 function pcb_name(type)         = type[1];  //! Description
@@ -1088,6 +1089,7 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
             if(show(comp, "smd_res"))       smd_resistor(comp[4], comp[5]);
             if(show(comp, "smd_cap"))       smd_capacitor(comp[4], comp[5]);
             if(show(comp, "vero_pin"))      vero_pin(param(4, false));
+            if(show(comp, "terminal"))      terminal_block(comp[5], comp[4]);
         }
     }
 }

vitamins/pcbs.scad

@@ -198,6 +198,34 @@ Duex5 = ["Duex5", "Duex5 expansion board",
                                                                     ]),
                                                                     []];
 
+BTT_RELAY_V1_2 = [
+    "BTT_RELAY_V1_2", "BigTreeTech Relay Module v1.2",
+    80.4, 36.3, 1.5, // size
+    1, // corner radius
+    3, // mounting hole diameter
+    5, // pad around mounting hole
+    grey(25), // color
+    false, // true if parts should be separate BOM items
+    [ // hole positions
+        [3, 3.5], [-3, 3.5], [3, -3.5], [-3, -3.5]
+    ],
+    [ // components
+        [  44.5,  10.0,    0, "block", 25,  20,    15.8, grey(20) ],
+        [  47.5,  -7.6,    0, "block", 19,  15.25, 15.8, "SkyBlue" ],
+        //[ -14.5,  18.15,   0, "block", 16,  30,    17.0, grey(25) ],
+        //[ -14.5,  18.15,   0, "block", 15,  25.5,  17.1, "PaleGoldenrod" ],
+        [   2.5,  10.65, 270, "jst_xh", 2, false, grey(20), ],
+        [   2.5,  18.15, 270, "jst_xh", 2, false, grey(20), ],
+        [   2.5,  25.65, 270, "jst_xh", 2, false, grey(20), ],
+        [  11.0,   2.0,    0, "2p54header", 2, 1 ],
+        [  23.0,   2.0,    0, "2p54header", 4, 1 ],
+        [   7.9,  -3.3,   90, "2p54header", 2, 1 ],
+        [  -6.5,   2.45, 180, "terminal",   3, [10, 1.33, 13.2, 16, 7, 13] ],
+    ],
+    [], // accessories
+    [], // grid
+];
+
 BTT_SKR_MINI_E3_V2_0 = [
     "BTT_SKR_MINI_E3_V2_0", "BigTreeTech SKR Mini E3 v2.0",
     100.75, 70.25, 1.6, // size
@@ -882,7 +910,7 @@ KY_040 = ["KY_040", "KY-040 rotart encoder breakout",
 
 tiny_pcbs = [XIAO, MP1584EN, TP4056, ESP_01, LIPO_fuel_gauge];
 
-pcbs = [RAMPSEndstop, KY_040, MT3608, ZC_A0591, ArduinoNano, RPI_Pico, ESP32_DOIT_V1, RPI0, EnviroPlus, ArduinoUno3, ArduinoLeonardo, WD2002SJ, RPI3, RPI4, BTT_SKR_MINI_E3_V2_0, BTT_SKR_E3_TURBO, BTT_SKR_V1_4_TURBO, DuetE, Duex5];
+pcbs = [RAMPSEndstop, KY_040, MT3608, ZC_A0591, ArduinoNano, RPI_Pico, ESP32_DOIT_V1, RPI0, EnviroPlus, ArduinoUno3, ArduinoLeonardo, WD2002SJ, RPI3, RPI4, BTT_RELAY_V1_2, BTT_SKR_MINI_E3_V2_0, BTT_SKR_E3_TURBO, BTT_SKR_V1_4_TURBO, DuetE, Duex5];
 
 pcbs_not_shown = [Melzi, Duex2, PSU12V1A, Keyes5p1, PI_IO, ExtruderPCB];
 

vitamins/psu.scad

@@ -30,6 +30,7 @@ use <../utils/round.scad>
 use <fan.scad>
 use <iec.scad>
 use <rocker.scad>
+use <terminal.scad>
 
 function psu_face_holes(type)        = type[0];     //! List of screw hole positions
 function psu_face_thickness(type)    = type[1];     //! The thickness
@@ -55,65 +56,6 @@ function psu_terminals(type)         = type[10];    //! How many terminals and t
 function psu_faces(type)             = type[11];    //! List of face descriptions
 function psu_accessories(type)       = type[12];    //! Accessories to add to BOM, e.g. mains lead
 
-function terminal_block_pitch(type)   = type[0];    //! Pitch between screws
-function terminal_block_divider(type) = type[1];    //! Width of the dividers
-function terminal_block_height(type)  = type[2];    //! Height of the dividers
-function terminal_block_depth(type)   = type[3];    //! Total depth
-function terminal_block_height2(type) = type[4];    //! Height under the contacts
-function terminal_block_depth2(type)  = type[5];    //! Depth of contact well
-
-function terminal_block_length(type, ways) = terminal_block_pitch(type) * ways + terminal_block_divider(type); //! Total length of terminal block
-
-module terminal_block(type, ways) { //! Draw a power supply terminal block
-    tl = terminal_block_length(type, ways);
-    depth = terminal_block_depth(type);
-    depth2 = terminal_block_depth2(type);
-    div = terminal_block_divider(type);
-    h = terminal_block_height(type);
-    h2 = terminal_block_height2(type);
-    pitch = terminal_block_pitch(type);
-    back_wall = depth - depth2;
-    contact_depth = depth2 - back_wall;
-    contact_width = pitch - div;
-    contact_h = 0.4;
-    washer_t = 1.2;
-    translate([0, -tl]) {
-        color(grey(20)) {
-            cube([depth, tl, h2]);
-
-            translate([depth2, 0])
-                cube([depth - depth2, tl, h]);
-
-            for(i = [0 : ways])
-                translate([0, i * pitch + div])
-                    rotate([90, 0, 0])
-                        linear_extrude(div)
-                            hull() {
-                                r = 2;
-                                square([depth, eps]);
-
-                                translate([depth - eps, 0])
-                                    square([eps, h]);
-
-                                translate([r, h - r])
-                                    circle4n(r);
-                            }
-        }
-        color("silver")
-            for(i = [0 : ways - 1]) translate([0, i * pitch + div, h2]) {
-                translate([back_wall, 1])
-                    cube([contact_depth, contact_width - 2, contact_h]);
-
-                translate([back_wall + contact_depth / 2 - contact_width / 2, 0])
-                    cube([contact_width, contact_width, contact_h + washer_t]);
-
-                translate([back_wall + contact_depth / 2, contact_width / 2, contact_h + washer_t])
-                    not_on_bom() no_explode()
-                        screw(M3_pan_screw, 8);
-            }
-    }
-}
-
 function psu_face_transform(type, face) =           //! Returns a transformation matrix to get to the specified face
     let(l = psu_length(type),
         w = psu_width(type),

vitamins/terminal.scad

@@ -0,0 +1,79 @@
+//
+// NopSCADlib Copyright Chris Palmer 2018
+// 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>
+
+function terminal_block_pitch(type)   = type[0];    //! Pitch between screws
+function terminal_block_divider(type) = type[1];    //! Width of the dividers
+function terminal_block_height(type)  = type[2];    //! Height of the dividers
+function terminal_block_depth(type)   = type[3];    //! Total depth
+function terminal_block_height2(type) = type[4];    //! Height under the contacts
+function terminal_block_depth2(type)  = type[5];    //! Depth of contact well
+
+function terminal_block_length(type, ways) = terminal_block_pitch(type) * ways + terminal_block_divider(type); //! Total length of terminal block
+
+module terminal_block(type, ways) { //! Draw a power supply terminal block
+    tl = terminal_block_length(type, ways);
+    depth = terminal_block_depth(type);
+    depth2 = terminal_block_depth2(type);
+    div = terminal_block_divider(type);
+    h = terminal_block_height(type);
+    h2 = terminal_block_height2(type);
+    pitch = terminal_block_pitch(type);
+    back_wall = depth - depth2;
+    contact_depth = depth2 - back_wall;
+    contact_width = pitch - div;
+    contact_h = 0.4;
+    washer_t = 1.2;
+    translate([0, -tl]) {
+        color(grey(20)) {
+            cube([depth, tl, h2]);
+
+            translate([depth2, 0])
+                cube([depth - depth2, tl, h]);
+
+            for(i = [0 : ways])
+                translate([0, i * pitch + div])
+                    rotate([90, 0, 0])
+                        linear_extrude(div)
+                            hull() {
+                                r = 2;
+                                square([depth, eps]);
+
+                                translate([depth - eps, 0])
+                                    square([eps, h]);
+
+                                translate([r, h - r])
+                                    circle4n(r);
+                            }
+        }
+        color("silver")
+            for(i = [0 : ways - 1]) translate([0, i * pitch + div, h2]) {
+                translate([back_wall, 1])
+                    cube([contact_depth, contact_width - 2, contact_h]);
+
+                translate([back_wall + contact_depth / 2 - contact_width / 2, 0])
+                    cube([contact_width, contact_width, contact_h + washer_t]);
+
+                translate([back_wall + contact_depth / 2, contact_width / 2, contact_h + washer_t])
+                    not_on_bom() no_explode()
+                        screw(M3_pan_screw, 8);
+            }
+    }
+}