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2 layers93 × 48 mmKeypadplz, the printed circuit board in 3D

This is all the files needed to build an 8 key ProMicro based MacroPad.

Size
93 × 48 mm
Copper layers
2
Thickness
1.6 mm
Parts
51
Nets
41
Pads
162
Tracks, vias
357, 26
Pours
2
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
17 Aug 2020
Updated
4 Jan 2021

Overview

Keypadplz is an open-source printed circuit board by MakerJake01, from the MakerJake01/ProMicro_MacroPad repository on GitHub. It is a 2-layer board of 93 × 48 mm with 51 parts on 41 nets, routed with 357 tracks and 26 vias.

Its parts include 16 capacitors, 16 diodes, 8 switches and 2 connectors. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.

README

README.md

ProMicro_MacroPad

Overview
This project is for anyone who wants to make an 8 key MacroPad. The parts will most likely cost more than buying one. It can be used for keybinds in many programs. It's perfect for switching between scenes in OBS or a mute/unmute button in Discord. Some of the code is probably not the most efficient as I am a beginner. I am looking into making it work with QMK.

MacroPad pics

The programing:
The code was all programmed in C++ using the Arduino IDE. It can be programmed with F keys (i.e. F13, F14, ...). It uses the keyboard.h library. I have tried to make it as easy to reprogram as possible. It may be possible to program the MacroPad more efficiently.

The soldering:
There is a lot of SMD soldering. The smallest parts are 1206 resistors and capacitors. Some of the pads for the LEDs on the back do get very close. It will be an intermediate to advanced soldering project. (I have been soldering for a while so, SMD soldering is easy for me.) SMD Soldering Guide

The PCB:
Use the Gerber files to make the PCBs. It's a two-layer PCB and a 1.6 mm board. A black solder mask will look better but will add some time and possible cost.

The switches
The PCB has the holes for an MX style switch. The PCB has the holes for a plate mount switch. If you have a PCB mount switch, the extra legs need to be cut off.

Build guide
I am working on a multi-part build guide for my youtube channel.
https://www.youtube.com/makerjake

printed parts
I am having some trouble finding the STL files and my fusion 360 subscriptions has run out. I will try to either redesign the parts of finding the files.

Creative Commons Attribution-NonCommercial 4.0 International License. cc-by-nc

Parts

51
QtyValueFootprintReferences
16C_SmallCapacitor_SMD:C_1206_3216MetricC1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15, C16
16Inolux_IN-PI554FCHLED_SMD:LED_Inolux_IN-PI554FCH_PLCC4_5.0x5.0mm_P3.2mmD1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16
8R1Resistor_SMD:R_1206_3216Metric10k1, 10k2, 10k3, 10k4, 10k5, 10k6, 10k7, 10k8
8SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PlateSW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8
2Conn_01x12_MaleConnector_PinSocket_2.54mm:PinSocket_1x12_P2.54mm_Vertical_SMD_Pin1LeftJ1, J2
1RResistor_SMD:R_1206_3216Metric300o1

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Questions

How big is the Keypadplz PCB?

It measures 93 × 48 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Keypadplz use?

51 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Keypadplz KiCad files?

From the MakerJake01/ProMicro_MacroPad repository on GitHub, at the commit this page was made from: the board is Pcb files and schem/keypadplz.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Keypadplz design in my own project?

Its repository states no licence, so its author keeps all rights: ask MakerJake01 before reusing the design.