HardLabs

Macropad

idlisambarchutneychutney-prog·macropad·PCB/hackpad.kicad_pcb

Macropad PCB layout, top view — open source board by idlisambarchutneychutney-prog

About the Macropad PCB

Macropad is an open source PCB design by idlisambarchutneychutney-prog, published on GitHub under the MIT license. It is a 2-layer board measuring 99 × 99 mm, with 38 components from 6 distinct parts.

Other key parts include the MOUDLE-SEEEDUINO-XIAO and ER_OLEDM0.91_1x-I2C. By type, the board carries 26 diodes, 10 switches and 2 ICs.

It belongs with the keyboards and displays & leds designs in this gallery.

From the project

A custom 9-key macropad powered by the Seeed XIAO RP2040 microcontroller running KMK Firmware on CircuitPython. Featuring a 3x3 key matrix, an EC11 rotary encoder for media control, a 0.91" OLED status display, and per-key SK6812MINI-E RGB lighting.

A custom 9-key macropad powered by the Seeed XIAO RP2040 microcontroller running KMK Firmware on CircuitPython. Featuring a 3x3 key matrix, an EC11 rotary encoder for media control, a 0.91" OLED status display, and per-key SK6812MINI-E RGB lighting.

- Brain: Seeed XIAO RP2040 Microcontroller - Key Matrix: 9 MX switches configured in a 3x3 matrix with 1N4148 diodes (COL2ROW). - Rotary Encoder: EC11 encoder mapped to Volume Down, Volume Up, and Mute (push button). - Display: 0.91" I2C OLED display (128x32) running custom status text. - Lighting: 9x SK6812MINI-E addressable per-key RGB LEDs. -…

Macropad, from the project README
From the project README

Main components on the Macropad

MOUDLE-SEEEDUINO-XIAOER_OLEDM0.91_1x-I2C

Macropad bill of materials (BOM)

38 components, 6 distinct parts.

QtyPartRefs
1
MOUDLE-SEEEDUINO-XIAO
U1
1
ER_OLEDM0.91_1x-I2C
U2
9
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +1
1
RotaryEncoder_Switch_MP
SW10
17
SK6812MINI-E
D1, D2, D3, D4, D5, D7, D9, D20 +9
9
1N4148
D6, D12, D13, D14, D15, D16, D17, D18 +1

Macropad design files

The KiCad project lives in the idlisambarchutneychutney-prog/macropad repository on GitHub; these links point at the commit this page was built from.

Macropad: common questions

How big is the Macropad PCB?

The Macropad measures 99 × 99 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Macropad?

38 components, from 6 distinct parts. The full bill of materials is listed on this page.

Where can I download the Macropad design files?

From the idlisambarchutneychutney-prog/macropad repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Macropad design in my own project?

Yes, under the terms of its MIT license, which idlisambarchutneychutney-prog chose for the repository.

Similar boards