Merge pull request #545 from isobel-p/main

Add Ankipad

Author: Dongathan-Jong

hackpads/Ankipad/README.md

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+# Ankipad
+_10-key macropad designed for Anki revision._
+
+### For reference...
+[Anki](https://apps.ankiweb.net/) is an active recall revision software, if you haven't heard of it how have you been revising until now? This macropad will bring you a ***STEP*** (cough cough) closer to acing your next Anki study session.
+
+## Features
+![Overall view of hackpad](https://cdn.hackclubber.dev/slackcdn/96724c006044ab476172d34c9e80c9d5.png)
+
+- Powered by a seeed XIAO RP2040
+- 10 mechanical MX-style keys
+- 3D printed case
+
+![Breakdown of hackpad case](https://cdn.hackclubber.dev/slackcdn/a7c4783f74d1fa51aa624c3d8ec1fe54.png)
+
+## Inspiration
+![PCB of hackpad A](https://cdn.hack.pet/slackcdn/46f52e5f468250cd2d4019a69cfc0848.png)
+
+I picked this project because I didn't like my current Anki keyboard setup, which made revising SUPER hard. But then, with basically no experience in PCB design or CAD, I learned how to use KiCad, FreeCAD and met some cool people on ```#hackpad```. I wrangled with FreeCAD for sooo long, and watched so many YouTube tutorials, most of all ScottoKeebs, but in the end I'm happy with how it turned out.
+
+![Schematic of hackpad](https://cdn.hackclubber.dev/slackcdn/db33b678bd7c74396faeacdd625412fb.png)
+
+I put doing this off for a while, so I didn't get time to add some of the other features I wanted like rotary encoders and OLED screens. But maybe if Hackpad V3 comes...?
+
+![PCB of hackpad B](https://cdn.hack.pet/slackcdn/9ac1312a16688a2119521cce77ff10f7.png)
+
+## Bill of Materials
+|Quantity|Item|
+|--------|----|
+|1|Seeed XIAO RP2040|
+|10|Cherry MX switches|
+|10|DSA keycaps|
+|4|M3x16mm screws|
+|4|M3 hex nuts|
+|10|1N4148 Diodes|
+|1|3D-printed case|

hackpads/Ankipad/cad/case.step

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+ISO-10303-21;
+HEADER;
+FILE_DESCRIPTION(('FreeCAD Model'),'2;1');
+FILE_NAME('Open CASCADE Shape Model','2025-02-19T20:26:01',(''),(''),
+  'Open CASCADE STEP processor 7.8','FreeCAD','Unknown');
+FILE_SCHEMA(('AUTOMOTIVE_DESIGN { 1 0 10303 214 1 1 1 1 }'));
+ENDSEC;
+DATA;
+#1 = APPLICATION_PROTOCOL_DEFINITION('international standard',
+  'automotive_design',2000,#2);
+#2 = APPLICATION_CONTEXT(
+  'core data for automotive mechanical design processes');
+#3 = SHAPE_DEFINITION_REPRESENTATION(#4,#10);
+#4 = PRODUCT_DEFINITION_SHAPE('','',#5);
+#5 = PRODUCT_DEFINITION('design','',#6,#9);
+#6 = PRODUCT_DEFINITION_FORMATION('','',#7);
+#7 = PRODUCT('Unnamed3','Unnamed3','',(#8));
+#8 = PRODUCT_CONTEXT('',#2,'mechanical');
+#9 = PRODUCT_DEFINITION_CONTEXT('part definition',#2,'design');
+#10 = SHAPE_REPRESENTATION('',(#11),#15);
+#11 = AXIS2_PLACEMENT_3D('',#12,#13,#14);
+#12 = CARTESIAN_POINT('',(0.,0.,0.));
+#13 = DIRECTION('',(0.,0.,1.));
+#14 = DIRECTION('',(1.,0.,-0.));
+#15 = ( GEOMETRIC_REPRESENTATION_CONTEXT(3) 
+GLOBAL_UNCERTAINTY_ASSIGNED_CONTEXT((#19)) GLOBAL_UNIT_ASSIGNED_CONTEXT(
+(#16,#17,#18)) REPRESENTATION_CONTEXT('Context #1',
+  '3D Context with UNIT and UNCERTAINTY') );
+#16 = ( LENGTH_UNIT() NAMED_UNIT(*) SI_UNIT(.MILLI.,.METRE.) );
+#17 = ( NAMED_UNIT(*) PLANE_ANGLE_UNIT() SI_UNIT($,.RADIAN.) );
+#18 = ( NAMED_UNIT(*) SI_UNIT($,.STERADIAN.) SOLID_ANGLE_UNIT() );
+#19 = UNCERTAINTY_MEASURE_WITH_UNIT(LENGTH_MEASURE(1.E-07),#16,
+  'distance_accuracy_value','confusion accuracy');
+#20 = PRODUCT_RELATED_PRODUCT_CATEGORY('part',$,(#7));
+ENDSEC;
+END-ISO-10303-21;

hackpads/Ankipad/firmware/kmk/main.py

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+import board
+from kmk.kmk_keyboard import KMKKeyboard
+from kmk.scanners.keypad import MatrixScanner
+from kmk.keys import KC
+
+keyboard = KMKKeyboard() # main instance of keeb
+
+keyboard.matrix = MatrixScanner(
+    column_pins=[board.AO, board.A1, board.A2, board.A3, board.MISO],  # column
+    row_pins=[board.SCK, board.RX],  # row
+    value_when_pressed=False,
+)
+
+# keymap
+keyboard.keymap = [
+    [
+        KC.D, KC.A, KC.B, KC.T, KC.Y,
+        KC.SPACE, KC.KP_1, KC.KP_2, KC.KP_3, KC.KP_4
+    ]
+]
+
+if __name__ == '__main__':
+    keyboard.go()