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Keyboard NumPad v2.1

PsychoDuckTech·Schematics·Modules/NumPad-MacroPadMatrix/v2.1/Keyboard NumPad v2.1.kicad_pcb

Keyboard NumPad v2.1 PCB layout, top view — open source ESP32 board by PsychoDuckTech

About the Keyboard NumPad v2.1 PCB

Keyboard NumPad v2.1 is an open source ESP32 PCB design by PsychoDuckTech, published on GitHub. It is a 2-layer board measuring 80.3 × 123.2 mm, with 55 components from 3 distinct parts.

Its main chip is the ESP32-C3_SUPERMINI_SMD, from the ESP32 family. By type, the board carries 27 switches, 27 diodes and 1 IC.

It belongs with the keyboards designs in this gallery, and the repository also holds 3 earlier revisions of it.

From the project

Schematic and PCB Files for PsychoDuck Tech PCBs

22 pins for the keyboard - 6 rows, 16 cols

with the multiplexer - 11 pins - 6 rows, 5 cols

Main components on the Keyboard NumPad v2.1

ESP32-C3_SUPERMINI_SMD

Keyboard NumPad v2.1 bill of materials (BOM)

55 components, 3 distinct parts.

QtyPartRefs
1
ESP32-C3_SUPERMINI_SMD
U2
27
Keyswitch
S1, S2, S3, S4, S5, S6, S7, S8 +19
27
Diode
D1, D2, D3, D4, D5, D6, D7, D8 +19

Keyboard NumPad v2.1 design files

The KiCad project lives in the PsychoDuckTech/Schematics repository on GitHub; these links point at the commit this page was built from.

Keyboard NumPad v2.1: common questions

What microcontroller does the Keyboard NumPad v2.1 use?

The Keyboard NumPad v2.1 is built around the ESP32-C3_SUPERMINI_SMD, from the ESP32 family.

How big is the Keyboard NumPad v2.1 PCB?

The Keyboard NumPad v2.1 measures 80.3 × 123.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyboard NumPad v2.1?

55 components, from 3 distinct parts. The full bill of materials is listed on this page.

Where can I download the Keyboard NumPad v2.1 design files?

From the PsychoDuckTech/Schematics repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Keyboard NumPad v2.1 design in my own project?

The repository has no license, so all rights stay with PsychoDuckTech. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Keyboard NumPad v2.1 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.

More boards in Schematics

Earlier revisions in the repo: Keyboard NumPad v2, Keyboard NumPad v1, Keyboard NumPad v0

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