Merge pull request #571 from aryatajne28/main

Add Full-Size Hackpad.V1
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Alex Ren 2025-03-13 16:19:38 -04:00 committed by GitHub
commit 6be52358f8
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21 changed files with 93636 additions and 0 deletions

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import board
from kmk.kmk_keyboard import KMKKeyboard
from kmk.scanners.keypad import KeysScanner
from kmk.keys import KC
from kmk.scanners import DiodeOrientation
from kmk.extensions.display import Display, TextEntry, ImageEntry
from kmk.extensions.display.ssd1306 import SSD1306
from kmk.extensions.RGB import RGB, AnimationModes
import busio
keyboard = KMKKeyboard()
keyboard.col_pins = (board.D10, board.D9, board.D8, board.D7)
keyboard.row_pins = (board.D0, board.D1, board.D2, board.D3)
keyboard.diode_orientation = DiodeOrientation.COL2ROW
keyboard.keymap = [
[
KC.N7, KC.N8, KC.N9, KC.KP_ASTERISK,
KC.N4, KC.N5, KC.N6, KC.KP_MINUS,
KC.N1, KC.N2, KC.N3, KC.KP_SLASH,
KC.BSPC, KC.N0, KC.KP_DOT, KC.KP_ENTER,
]
]
i2c_bus = busio.I2C(board.GP_SCL, board.GP_SDA)
driver=SSD1306(
i2c=i2c_bus,
device_address=0x3C,
)
display = Display(
display=display_driver,
entries=[
TextEntry(text='Full-Size Hackpad.V1', x=0, y=0, y_anchor='M'),
],
width=128,
height=32,
dim_time=10,
dim_target=0.2,
off_time=1200,
brightness=1,
)
keyboard.extensions.append(display)
rgb = RGB(
pixel_pin=board.D6,
num_pixels=16,
animation_mode=AnimationModes.STATIC,
val=100,
hue=230,
)
keyboard.extensions.append(rgb)
if __name__ == '__main__':
keyboard.go()

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{
"board": {
"active_layer": 37,
"active_layer_preset": "All Layers",
"auto_track_width": true,
"hidden_netclasses": [],
"hidden_nets": [],
"high_contrast_mode": 0,
"net_color_mode": 1,
"opacity": {
"images": 0.6,
"pads": 1.0,
"tracks": 1.0,
"vias": 1.0,
"zones": 0.6
},
"selection_filter": {
"dimensions": true,
"footprints": true,
"graphics": true,
"keepouts": true,
"lockedItems": false,
"otherItems": true,
"pads": true,
"text": true,
"tracks": true,
"vias": true,
"zones": true
},
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"visible_layers": "fffffff_ffffffff",
"zone_display_mode": 0
},
"git": {
"repo_password": "",
"repo_type": "",
"repo_username": "",
"ssh_key": ""
},
"meta": {
"filename": "HackpadV1.kicad_prl",
"version": 3
},
"project": {
"files": []
}
}

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{
"board": {
"3dviewports": [],
"design_settings": {
"defaults": {
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"apply_defaults_to_fp_shapes": false,
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"copper_text_italic": false,
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"copper_text_thickness": 0.3,
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"dimension_precision": 4,
"dimension_units": 3,
"dimensions": {
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},
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"footprint_symbol_mismatch": "warning",
"footprint_type_mismatch": "ignore",
"hole_clearance": "error",
"hole_near_hole": "error",
"holes_co_located": "warning",
"invalid_outline": "error",
"isolated_copper": "warning",
"item_on_disabled_layer": "error",
"items_not_allowed": "error",
"length_out_of_range": "error",
"lib_footprint_issues": "warning",
"lib_footprint_mismatch": "warning",
"malformed_courtyard": "error",
"microvia_drill_out_of_range": "error",
"missing_courtyard": "ignore",
"missing_footprint": "warning",
"net_conflict": "warning",
"npth_inside_courtyard": "ignore",
"padstack": "warning",
"pth_inside_courtyard": "ignore",
"shorting_items": "error",
"silk_edge_clearance": "warning",
"silk_over_copper": "ignore",
"silk_overlap": "warning",
"skew_out_of_range": "error",
"solder_mask_bridge": "error",
"starved_thermal": "error",
"text_height": "ignore",
"text_thickness": "warning",
"through_hole_pad_without_hole": "error",
"too_many_vias": "error",
"track_dangling": "warning",
"track_width": "error",
"tracks_crossing": "error",
"unconnected_items": "error",
"unresolved_variable": "error",
"via_dangling": "warning",
"zones_intersect": "error"
},
"rules": {
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"min_clearance": 0.0,
"min_connection": 0.0,
"min_copper_edge_clearance": 0.5,
"min_hole_clearance": 0.25,
"min_hole_to_hole": 0.25,
"min_microvia_diameter": 0.2,
"min_microvia_drill": 0.1,
"min_resolved_spokes": 2,
"min_silk_clearance": 0.0,
"min_text_height": 0.8,
"min_text_thickness": 0.08,
"min_through_hole_diameter": 0.3,
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"min_via_annular_width": 0.1,
"min_via_diameter": 0.5,
"solder_mask_to_copper_clearance": 0.0,
"use_height_for_length_calcs": true
},
"teardrop_options": [
{
"td_onpadsmd": true,
"td_onroundshapesonly": false,
"td_ontrackend": false,
"td_onviapad": true
}
],
"teardrop_parameters": [
{
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"td_curve_segcount": 0,
"td_height_ratio": 1.0,
"td_length_ratio": 0.5,
"td_maxheight": 2.0,
"td_maxlen": 1.0,
"td_on_pad_in_zone": false,
"td_target_name": "td_round_shape",
"td_width_to_size_filter_ratio": 0.9
},
{
"td_allow_use_two_tracks": true,
"td_curve_segcount": 0,
"td_height_ratio": 1.0,
"td_length_ratio": 0.5,
"td_maxheight": 2.0,
"td_maxlen": 1.0,
"td_on_pad_in_zone": false,
"td_target_name": "td_rect_shape",
"td_width_to_size_filter_ratio": 0.9
},
{
"td_allow_use_two_tracks": true,
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"td_length_ratio": 0.5,
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"td_maxlen": 1.0,
"td_on_pad_in_zone": false,
"td_target_name": "td_track_end",
"td_width_to_size_filter_ratio": 0.9
}
],
"track_widths": [],
"tuning_pattern_settings": {
"diff_pair_defaults": {
"corner_radius_percentage": 80,
"corner_style": 1,
"max_amplitude": 1.0,
"min_amplitude": 0.2,
"single_sided": false,
"spacing": 1.0
},
"diff_pair_skew_defaults": {
"corner_radius_percentage": 80,
"corner_style": 1,
"max_amplitude": 1.0,
"min_amplitude": 0.2,
"single_sided": false,
"spacing": 0.6
},
"single_track_defaults": {
"corner_radius_percentage": 80,
"corner_style": 1,
"max_amplitude": 1.0,
"min_amplitude": 0.2,
"single_sided": false,
"spacing": 0.6
}
},
"via_dimensions": [],
"zones_allow_external_fillets": false
},
"ipc2581": {
"dist": "",
"distpn": "",
"internal_id": "",
"mfg": "",
"mpn": ""
},
"layer_presets": [],
"viewports": []
},
"boards": [],
"cvpcb": {
"equivalence_files": []
},
"erc": {
"erc_exclusions": [],
"meta": {
"version": 0
},
"pin_map": [
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],
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],
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]
],
"rule_severities": {
"bus_definition_conflict": "error",
"bus_entry_needed": "error",
"bus_to_bus_conflict": "error",
"bus_to_net_conflict": "error",
"conflicting_netclasses": "error",
"different_unit_footprint": "error",
"different_unit_net": "error",
"duplicate_reference": "error",
"duplicate_sheet_names": "error",
"endpoint_off_grid": "warning",
"extra_units": "error",
"global_label_dangling": "warning",
"hier_label_mismatch": "error",
"label_dangling": "error",
"lib_symbol_issues": "warning",
"missing_bidi_pin": "warning",
"missing_input_pin": "warning",
"missing_power_pin": "error",
"missing_unit": "warning",
"multiple_net_names": "warning",
"net_not_bus_member": "warning",
"no_connect_connected": "warning",
"no_connect_dangling": "warning",
"pin_not_connected": "error",
"pin_not_driven": "error",
"pin_to_pin": "warning",
"power_pin_not_driven": "error",
"similar_labels": "warning",
"simulation_model_issue": "ignore",
"unannotated": "error",
"unit_value_mismatch": "error",
"unresolved_variable": "error",
"wire_dangling": "error"
}
},
"libraries": {
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"pinned_symbol_libs": []
},
"meta": {
"filename": "HackpadV1.kicad_pro",
"version": 1
},
"net_settings": {
"classes": [
{
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"clearance": 0.2,
"diff_pair_gap": 0.25,
"diff_pair_via_gap": 0.25,
"diff_pair_width": 0.2,
"line_style": 0,
"microvia_diameter": 0.3,
"microvia_drill": 0.1,
"name": "Default",
"pcb_color": "rgba(0, 0, 0, 0.000)",
"schematic_color": "rgba(0, 0, 0, 0.000)",
"track_width": 0.2,
"via_diameter": 0.6,
"via_drill": 0.3,
"wire_width": 6
}
],
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"version": 3
},
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},
"pcbnew": {
"last_paths": {
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"idf": "",
"netlist": "",
"plot": "C:/Users/omtaj/Downloads/",
"pos_files": "",
"specctra_dsn": "",
"step": "HackpadV1-PCB.step",
"svg": "../../../Downloads/",
"vrml": ""
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},
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"ref_range_delimiter": "",
"string_delimiter": "\""
},
"bom_presets": [],
"bom_settings": {
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"fields_ordered": [
{
"group_by": false,
"label": "Reference",
"name": "Reference",
"show": true
},
{
"group_by": true,
"label": "Value",
"name": "Value",
"show": true
},
{
"group_by": false,
"label": "Datasheet",
"name": "Datasheet",
"show": true
},
{
"group_by": false,
"label": "Footprint",
"name": "Footprint",
"show": true
},
{
"group_by": false,
"label": "Qty",
"name": "${QUANTITY}",
"show": true
},
{
"group_by": true,
"label": "DNP",
"name": "${DNP}",
"show": true
}
],
"filter_string": "",
"group_symbols": true,
"name": "Grouped By Value",
"sort_asc": true,
"sort_field": "Reference"
},
"connection_grid_size": 50.0,
"drawing": {
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"dashed_lines_gap_length_ratio": 3.0,
"default_line_thickness": 6.0,
"default_text_size": 50.0,
"field_names": [],
"intersheets_ref_own_page": false,
"intersheets_ref_prefix": "",
"intersheets_ref_short": false,
"intersheets_ref_show": false,
"intersheets_ref_suffix": "",
"junction_size_choice": 3,
"label_size_ratio": 0.375,
"operating_point_overlay_i_precision": 3,
"operating_point_overlay_i_range": "~A",
"operating_point_overlay_v_precision": 3,
"operating_point_overlay_v_range": "~V",
"overbar_offset_ratio": 1.23,
"pin_symbol_size": 25.0,
"text_offset_ratio": 0.15
},
"legacy_lib_dir": "",
"legacy_lib_list": [],
"meta": {
"version": 1
},
"net_format_name": "",
"page_layout_descr_file": "",
"plot_directory": "",
"spice_current_sheet_as_root": false,
"spice_external_command": "spice \"%I\"",
"spice_model_current_sheet_as_root": true,
"spice_save_all_currents": false,
"spice_save_all_dissipations": false,
"spice_save_all_voltages": false,
"subpart_first_id": 65,
"subpart_id_separator": 0
},
"sheets": [
[
"75e5a835-0f9d-485c-b104-c334cc1c0ba9",
"Root"
]
],
"text_variables": {}
}

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import board
from kmk.kmk_keyboard import KMKKeyboard
from kmk.scanners.keypad import KeysScanner
from kmk.keys import KC
from kmk.scanners import DiodeOrientation
from kmk.extensions.display import Display, TextEntry, ImageEntry
from kmk.extensions.display.ssd1306 import SSD1306
from kmk.extensions.RGB import RGB, AnimationModes
import busio
keyboard = KMKKeyboard()
keyboard.col_pins = (board.D10, board.D9, board.D8, board.D7)
keyboard.row_pins = (board.D0, board.D1, board.D2, board.D3)
keyboard.diode_orientation = DiodeOrientation.COL2ROW
keyboard.keymap = [
[
KC.N7, KC.N8, KC.N9, KC.KP_ASTERISK,
KC.N4, KC.N5, KC.N6, KC.KP_MINUS,
KC.N1, KC.N2, KC.N3, KC.KP_SLASH,
KC.BSPC, KC.N0, KC.KP_DOT, KC.KP_ENTER,
]
]
i2c_bus = busio.I2C(board.GP_SCL, board.GP_SDA)
driver=SSD1306(
i2c=i2c_bus,
device_address=0x3C,
)
display = Display(
display=display_driver,
entries=[
TextEntry(text='Full-Size Hackpad.V1', x=0, y=0, y_anchor='M'),
],
width=128,
height=32,
dim_time=10,
dim_target=0.2,
off_time=1200,
brightness=1,
)
keyboard.extensions.append(display)
rgb = RGB(
pixel_pin=board.D6,
num_pixels=16,
animation_mode=AnimationModes.STATIC,
val=100,
hue=230,
)
keyboard.extensions.append(rgb)
if __name__ == '__main__':
keyboard.go()

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# Full-Size Hackpad.V1
Finally completed my Hackpad consisting of 16 keys and a 0.91" OLED after lots of research and routing lol!
![HackpadV1-PCB v1](img/Full-Hackpad.PNG)
### Inspiration
I wanted to create a separte full size numpad as my laptop does not have a numpad.
### Challenges
Everything was a challenge for me from using KiCad to designing the case in Fusion360. But the Hackpad guide was super useful so it helped me a lot!
### Specifications
BOM:
- 16x Cherry MX Switches
- 16x SK6812 MINI-E Reverse Mount Leds
- 1x XIAO RP2040
- 16x Blank DSA Keycaps
- 4x M3x16 Bolt
- 4x M3 Heatset
- 1x 0.91"inch OLED
- 16x 1N4148
Others:
- KMK Firmware
- Top.step
- Bottom.step
## PCB
| Schematic |
| - |
| ![](img/Schematic.jpg) |
| Two sides |
| - |
| ![](img/PCB.png) |
| Front |
| - |
| ![](img/front.png) |
| Back |
| - |
| ![](img/back.png) |
## Case
| Bottom |
| - |
| ![](img/Bottom-Case.png) |
| Top |
| - |
| ![](img/Plate.png) |
| Both |
| - |
| ![](img/Case.png) |
## Complete Keyboard CAD
![](https://github.com/aryatajne28/hackpad/blob/main/hackpads/Full-Size%20Hackpad.V1/img/HackpadV1-PCB%20v3.png)

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