Merge branch 'schiele-corexy_fix'

Moved I2C_LCD_Backpack from tiny_pcbs to pcbs to prevent connector clash.
Updated images and readme.

CHANGELOG.md

@@ -3,6 +3,20 @@
 This changelog is generated by `changelog.py` using manually added semantic version tags to classify commits as breaking changes, additions or fixes.
 
 
+### [v21.37.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.37.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.36.0...v21.37.0 "diff with v21.36.0")
+*   2025-04-15 [`edc7e17`](https://github.com/nophead/NopSCADlib/commit/edc7e174370ac8dcd6d4a78b31640347ab266f60 "show commit") [C.P.](# "Chris Palmer") Included `pcbs.scad` in `displays.scad`.
+Moved `I2C_LCD_Backpack` from `tiny_pcbs` to pcbs to prevent connector clash.
+Updated images and readme.
+
+*   2025-04-11 [`a9b501a`](https://github.com/nophead/NopSCADlib/commit/a9b501a2d2ce242c181c2cd5f5d1f86ba7150eec "show commit") [P.](# "pcremades") Added a 1602 LCD with I2C module
+
+*   2025-04-11 [`126343d`](https://github.com/nophead/NopSCADlib/commit/126343d5af75a2aa458db112305a62b953e23694 "show commit") [P.](# "pcremades") Added a I2C TWI SPI Serial Interface for 1602 LCD
+
+*   2025-04-11 [`1692fcc`](https://github.com/nophead/NopSCADlib/commit/1692fcc8116c9a0926231a95d0207a0085c814c5 "show commit") [P.](# "pcremades") Added `1/4"` square trimpot to `pcb.scad`
+
+### [v21.36.0](https://github.com/nophead/NopSCADlib/releases/tag/v21.36.0 "show release") Additions [...](https://github.com/nophead/NopSCADlib/compare/v21.35.6...v21.36.0 "diff with v21.35.6")
+*   2025-04-09 [`33ac382`](https://github.com/nophead/NopSCADlib/commit/33ac3820b0df87df05d7c2dbb3d553e2aafa6828 "show commit") [C.P.](# "Chris Palmer") Added `pose_stl()` module because `pose()` only works for assembly views.
+
 #### [v21.35.6](https://github.com/nophead/NopSCADlib/releases/tag/v21.35.6 "show release") Fixes [...](https://github.com/nophead/NopSCADlib/compare/v21.35.5...v21.35.6 "diff with v21.35.5")
 *   2025-03-30 [`5d0eda8`](https://github.com/nophead/NopSCADlib/commit/5d0eda87e44a70fdbed51407a43555a637e064f9 "show commit") [D.T.](# "Daniel Trnka") `barrel_jack:` added cutout
 

lib.scad

@@ -23,7 +23,7 @@
 include <core.scad>
 
 include <vitamins/psus.scad>
-include <vitamins/pcbs.scad>
+include <vitamins/displays.scad> // Includes pcbs.scad
 
 include <vitamins/antennas.scad>
 include <vitamins/batteries.scad>
@@ -34,7 +34,6 @@ include <vitamins/box_sections.scad>
 include <vitamins/bulldogs.scad>
 include <vitamins/cameras.scad>
 include <vitamins/components.scad>
-include <vitamins/displays.scad>
 include <vitamins/extrusions.scad>
 include <vitamins/extrusion_brackets.scad>
 include <vitamins/fastons.scad>

readme.md

@@ -1106,7 +1106,7 @@ LCD displays.
 |   1 | `display(BigTreeTech_TFT35v3_0)` |  BigTreeTech TFT35 v3.0 |
 |   1 | `display(HDMI5)` |  HDMI display 5" |
 |   1 | `display(TFT128x160)` |  LCD TFT ST7735 display 128x160 |
-|   1 | `display(LCD1602A)` |  LCD display 1602A |
+|   2 | `display(LCD1602A)` |  LCD display 1602A |
 |   1 | `display(LCD2004A)` |  LCD display 2004A |
 |   1 | `display(LCDS7282B)` |  LCD display S-7282B |
 |   1 | `display(SSD1963_4p3)` |  LCD display SSD1963 4.3" |
@@ -3000,6 +3000,7 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   1 | `pcb(EnviroPlus)` |  Enviro+ |
 |   1 | `pcb(ExtruderPCB)` |  Extruder connection PCB - not shown |
 |   1 | `pcb(HW803_1WAY_RELAY)` |  HW-803 5V 1 way relay module |
+|   1 | `pcb(I2C_LCD_Backpack)` |  I2C / SPI character LCD backpack |
 |   1 | `pcb(KY_040)` |  KY-040 rotart encoder breakout |
 |   1 | `pcb(Keyes5p1)` |  Keyes5.1 Arduino Uno expansion board - not shown |
 |   1 | `pcb(L9110S)` |  L9110S 2-Channel motor driver module |
@@ -3038,11 +3039,12 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 |   4 | `screw(M2_cap_screw, 25)` |  Screw M2 cap x 25mm |
 |   2 | `screw(M2p5_cap_screw, 20)` |  Screw M2.5 cap x 20mm |
 |   8 | `screw(M2p5_cap_screw, 30)` |  Screw M2.5 cap x 30mm |
-|   8 | `screw(M2p5_cap_screw, 35)` |  Screw M2.5 cap x 35mm |
-|   4 | `screw(M2p5_cap_screw, 40)` |  Screw M2.5 cap x 40mm |
+|   4 | `screw(M2p5_cap_screw, 35)` |  Screw M2.5 cap x 35mm |
+|   8 | `screw(M2p5_cap_screw, 40)` |  Screw M2.5 cap x 40mm |
 |   4 | `screw(M2p5_dome_screw, 25)` |  Screw M2.5 dome x 25mm |
 |   4 | `screw(M2p5_pan_screw, 20)` |  Screw M2.5 pan x 20mm |
-|   8 | `screw(M2p5_pan_screw, 30)` |  Screw M2.5 pan x 30mm |
+|   4 | `screw(M2p5_pan_screw, 30)` |  Screw M2.5 pan x 30mm |
+|   4 | `screw(M2p5_pan_screw, 35)` |  Screw M2.5 pan x 35mm |
 |  19 | `screw(M3_cap_screw, 16)` |  Screw M3 cap x 16mm |
 |  13 | `screw(M3_cap_screw, 20)` |  Screw M3 cap x 20mm |
 |   5 | `screw(M3_cap_screw, 25)` |  Screw M3 cap x 25mm |
@@ -3067,24 +3069,25 @@ PCBs and perfboard with optional components. The shape can be a rectangle with o
 | Qty | Filename |
 | ---:|:--- |
 |   4 | pcb_spacer20100.stl |
-|   4 | pcb_spacer20150.stl |
+|   4 | pcb_spacer20160.stl |
 |   4 | pcb_spacer2070.stl |
 |   4 | pcb_spacer2080.stl |
 |   4 | pcb_spacer2090.stl |
 |   2 | pcb_spacer25110.stl |
-|   4 | pcb_spacer25140.stl |
-|   4 | pcb_spacer25180.stl |
+|   4 | pcb_spacer25150.stl |
 |   4 | pcb_spacer25190.stl |
-|   4 | pcb_spacer25200_2.stl |
+|   4 | pcb_spacer25200.stl |
 |   4 | pcb_spacer25210_2.stl |
-|   4 | pcb_spacer25250.stl |
+|   4 | pcb_spacer25220_2.stl |
 |   4 | pcb_spacer25260.stl |
 |   4 | pcb_spacer25270.stl |
+|   4 | pcb_spacer25280.stl |
 |   4 | pcb_spacer2580.stl |
-|   5 | pcb_spacer30130.stl |
-|   4 | pcb_spacer30220.stl |
+|   1 | pcb_spacer30130.stl |
+|   4 | pcb_spacer30140.stl |
 |   4 | pcb_spacer30230.stl |
-|   3 | pcb_spacer30240.stl |
+|   4 | pcb_spacer30240.stl |
+|   3 | pcb_spacer30250.stl |
 |  10 | pcb_spacer3050.stl |
 |   9 | pcb_spacer3060.stl |
 |   9 | pcb_spacer3070.stl |

tests/core_xy.scad

@@ -161,7 +161,7 @@ module coreXY_motor_in_back_test2() {
     lower_drive_pulley_offset = [20, 5];
 
 
-    coreXY(coreXY_GT2_20_16, size, pos, separation, x_gap = 0, plain_idler_offset = [20, 0], upper_drive_pulley_offset, lower_drive_pulley_offset, show_pulleys = true, left_lower = false, motor_back = true);
+    coreXY(coreXY_GT2_20_16, size, pos, separation, x_gap = 0, plain_idler_offset = [20, 0], upper_drive_pulley_offset = upper_drive_pulley_offset, lower_drive_pulley_offset = lower_drive_pulley_offset, show_pulleys = true, left_lower = false, motor_back = true);
 
     translate (
         [ size.x - separation.x/2 - lower_drive_pulley_offset.x

utils/core_xy.scad

@@ -272,13 +272,13 @@ module coreXY(type, size, pos, separation, x_gap = 0, plain_idler_offset = [0, 0
         // lower belt
         hflip(!left_lower)
             explode(25)
-                coreXY_half(type, size, [size.x - pos.x - separation.x/2 - (left_lower ? x_gap : 0), pos.y], separation.y, x_gap, plain_idler_offset, [-lower_drive_pulley_offset.x, lower_drive_pulley_offset.y], show_pulleys, lower_belt = true, hflip = true, motor_back);
+                coreXY_half(type, size, [size.x - pos.x - separation.x/2 - (left_lower ? x_gap : 0), pos.y], separation.y, x_gap, plain_idler_offset, [-lower_drive_pulley_offset.x, lower_drive_pulley_offset.y], show_pulleys, lower_belt = true, hflip = true, motor_back = motor_back);
 
         // upper belt
         translate([separation.x, 0, separation.z])
             hflip(left_lower)
                 explode(25)
-                    coreXY_half(type, size, [pos.x + separation.x/2 + (left_lower ? x_gap : 0), pos.y], separation.y, x_gap, plain_idler_offset, upper_drive_pulley_offset, show_pulleys, lower_belt = false, hflip = false, motor_back);
+                    coreXY_half(type, size, [pos.x + separation.x/2 + (left_lower ? x_gap : 0), pos.y], separation.y, x_gap, plain_idler_offset, upper_drive_pulley_offset, show_pulleys, lower_belt = false, hflip = false, motor_back = motor_back);
     }
 }
 

vitamins/displays.scad

@@ -17,6 +17,8 @@
 // If not, see <https://www.gnu.org/licenses/>.
 //
 
+include <pcbs.scad>
+
 HDMI5PCB = pcb("", "",  [121.11, 77.93, 1.65], hole_d = 2.2, colour = "mediumblue",
     holes = [[4.6, 4.9], [4.6, -3.73], [97.69, -3.73], [97.69, 4.9]],
     components = [
@@ -46,6 +48,17 @@ LCD1602APCB = pcb("", "", [80, 36, 1.65], hole_d = 2.9, land_d = 5, colour = "gr
     ]
 );
 
+LCD1602APCBI2C = pcb("", "", [80, 36, 1.65], hole_d = 2.9, land_d = 5, colour = "green",
+    holes = [[-2.5, -2.5], [-2.5, 2.5], [2.5, 2.5], [2.5, -2.5]],
+    components = [
+        [-27.05, - 2.5, 0, "2p54header", 16, 1],
+        [ -27.05, -10.0, 0, "pcb", 3, I2C_LCD_Backpack],
+    ],
+    grid = [
+          52.95 - inch(0.75), 36 - 2.5, 16, 1, silver, inch(0.1), inch(0.1),
+    ]
+);
+
 LCD1602A = ["LCD1602A", "LCD display 1602A", 71.3, 24.3, 7.0, LCD1602APCB,
           [0, 0, 0],                             // pcb offst
           [[-64.5 / 2, -14.5 / 2], [64.5 / 2, 14.5 / 2, 0.6]],              // aperture
@@ -54,6 +67,14 @@ LCD1602A = ["LCD1602A", "LCD display 1602A", 71.3, 24.3, 7.0, LCD1602APCB,
           [],                                       // clearance need for the ts ribbon
         ];
 
+LCD1602AI2C = ["LCD1602A", "LCD display 1602A", 71.3, 24.3, 7.0, LCD1602APCBI2C,
+          [0, 0, 0],                             // pcb offst
+          [[-64.5 / 2, -14.5 / 2], [64.5 / 2, 14.5 / 2, 0.6]],              // aperture
+          [],                                       // touch screen
+          0,                                        // thread length
+          [],                                       // clearance need for the ts ribbon
+        ];
+
 LCD2004APCB = pcb("", "", [98, 60, 1.65], hole_d = 2.9, land_d = 5, colour = "green",
     holes = [[-2.5, -2.5], [-2.5, 2.5], [2.5, 2.5], [2.5, -2.5]],
     components = [
@@ -167,6 +188,6 @@ BigTreeTech_TFT35v3_0 = ["BigTreeTech_TFT35v3_0", "BigTreeTech TFT35 v3.0",
 ];
 
 
-displays = [HDMI5, SSD1963_4p3, LCD2004A, BigTreeTech_TFT35v3_0, LCD1602A, LCDS7282B, TFT128x160];
+displays = [HDMI5, SSD1963_4p3, LCD2004A, BigTreeTech_TFT35v3_0, LCD1602A, LCD1602AI2C, LCDS7282B, TFT128x160];
 
 use <display.scad>

vitamins/pcb.scad

@@ -1097,6 +1097,56 @@ module trimpot10(vertical, cutout = false) { //! Draw a ten turn trimpot
              }
 }
 
+//! Draw a 1/4" square trimpot (https://ar.mouser.com/datasheet/2/54/3362-776956.pdf)
+module trimpot3362() {
+    l = 6.60;
+    w = 6.99;
+    h = 4.88;
+    foot_w = 0.38;
+    foot_h = 0.38;
+    screw_h = 0;
+    screw_d = 2.25;
+    slot_w =  0.6;
+    slot_h = 0.8;
+
+    module adjust(){
+      d = 2.77;
+      width = 0.64;
+      deep = 0.89;
+
+      color("white"){
+        difference(){
+          cylinder(d=d, h=2*deep, center=true);
+          translate([0, 0, deep-deep/2+0.01])
+            cube([d, width, deep], center=true);
+          translate([0, 0, deep-deep/2+0.01]) rotate([0, 0, 90])
+            cube([d, width, deep], center=true);
+        }
+      }
+    }
+
+    color("#2CA1FD") {
+      difference(){
+      translate([0, 0, foot_h / 2 + h / 2])
+        cube([w, l, h - foot_h], center = true);
+      translate_z(h-0.88) hull() adjust();
+      //Grub
+      for(ang=[-30:30:210])
+        rotate([0, 0, ang])
+        translate([2.77/2+0.46, 0, h]) cube([1, 0.3, 0.3], center=true);
+      }
+
+      for(x = [-1, 1], y = [1, -1])
+        translate([x * (w - foot_w) / 2, y * (l - foot_w) / 2, h / 2])
+          cube([foot_w, foot_w, h], center = true);
+
+      for(x = [-1, 1])
+        translate([x*(w/2-1), -l/2, h/2+foot_h/2])
+          cube([0.7, 0.7, h-foot_h], center=true);
+    }
+    translate([0, 0, h-0.89]) adjust();
+}
+
 module block(size, colour, makes_cutout, cutouts, r = 0, rtop = 0) //! Draw a coloured cube to represent a random PCB component
     if(cutouts) {
         if(makes_cutout)
@@ -1181,6 +1231,7 @@ module pcb_component(comp, cutouts = false, angle = undef) { //! Draw pcb compon
             if(show(comp, "jst_ph"))        jst_xh_header(jst_ph_header, comp[4], param(5, false), param(6, false), param(7, undef));
             if(show(comp, "jst_zh"))        jst_xh_header(jst_zh_header, comp[4], param(5, false), param(6, false), param(7, undef));
             if(show(comp, "potentiometer")) let(pot = param(4, BTT_encoder)) translate_z(pot_size(pot).z) vflip() potentiometer(pot, shaft_length = param(5, undef));
+            if(show(comp, "trimpot3362"))   trimpot3362();
             if(show(comp, "buzzer"))        buzzer(param(4, 9), param(5, 12), param(6, grey(20)));
             if(show(comp, "smd_250V_fuse")) smd_250V_fuse(comp[4], comp[5]);
             if(show(comp, "smd_res"))       smd_resistor(comp[4], comp[5]);

vitamins/pcbs.scad

@@ -1296,11 +1296,28 @@ tiny_buck = pcb("tiny_buck", "Ultra Small 3A buck regulator", [20, 11, 1.6],
     grid = [inch(0.05), 11 / 2 - inch(0.15), 1, 4, "silver", 0, inch(0.1)]
 );
 
+I2C_LCD_Backpack = let(size=[42, 19, 1.2])
+  pcb("I2C_LCD_Backpack", "I2C / SPI character LCD backpack",
+      size = size, //size
+      colour = "black",
+      components = [[size[0]-2, -size[1]/2, 90, "2p54header", 4, 1, false, undef, true],
+                    [2, size[1]-8.5, 270, "2p54header", 2, 1, false, false, true],
+                    [size[0]/2,  size[1]/2,  90, "smd_soic", SOIC16, "PCF8574"],
+                    [size[0]*3/4,  11,  0, "trimpot3362"],
+                    // Silkscreen
+                    [size[0]*3/4+6, size[1]-5.8, 0, "text", 3, 1, "GND", "Liberation Sans:style=Bold"],
+                    [size[0]*3/4+6, size[1]-5.8-2.54, 0, "text", 3, 1, "VCC", "Liberation Sans:style=Bold"],
+                    [size[0]*3/4+6, size[1]-5.8-2.54*2, 0, "text", 3, 1, "SDA", "Liberation Sans:style=Bold"],
+                    [size[0]*3/4+6, size[1]-5.8-2.54*3, 0, "text", 3, 1, "SCL", "Liberation Sans:style=Bold"]
+                    ],
+      grid = [2, size[1]-2, 16, 1, silver, inch(0.1), inch(0.9)]
+      );
+
 tiny_pcbs = [ESP_201, ESP_01M, XIAO, ESP_12F, MP1584EN, ESP_01,tiny_buck, LIPO_fuel_gauge, 9DOF_stick];
 
 big_pcbs = [BTT_RELAY_V1_2, BTT_SKR_MINI_E3_V2_0, BTT_SKR_E3_TURBO, BTT_SKR_V1_4_TURBO, DuetE, Duex5];
 
-pcbs = [KY_040, TP4056, L9110S, ZC_A0591, RCWL0516, MT3608,RAMPSEndstop, ArduinoNano, HW803_1WAY_RELAY, Feather405, RPI_Pico,
+pcbs = [KY_040, TP4056, L9110S, ZC_A0591, RCWL0516, MT3608,RAMPSEndstop, ArduinoNano, I2C_LCD_Backpack, HW803_1WAY_RELAY, Feather405, RPI_Pico,
         ESP32_DOIT_V1, BlackPill, RPI0, EnviroPlus, ArduinoUno3, ArduinoLeonardo, WD2002SJ, OPZ2, PanelDue_v3, RPI3A, RPI3, RPI4];
 
 pcbs_not_shown = [Melzi, Duex2, PSU12V1A, Keyes5p1, PI_IO, ExtruderPCB];