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2 layersMacropad, the printed circuit board in 3D

My first PCB Schematic

Copper layers
2
Thickness
1.6 mm
Parts
32
Nets
99
Pads
196
Tracks, vias
118, 9
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
21 Jun 2024
Updated
28 Jun 2024

Overview

Macropad is an open-source printed circuit board by eRgo35, from the eRgo35/Macropad repository on GitHub. It is a 2-layer board with 32 parts on 99 nets, routed with 118 tracks and 9 vias.

It is built around the ATMEGA32U4-MU. Its parts include 10 switches, 6 resistors, 4 diodes, 3 capacitors and 2 connectors. It belongs with the keyboards and input boards and the AVR (ATmega, ATtiny) boards of this library.

Main components

1

README

README.md

Macropad

My first PCB Schematic. A useful multipurpose Macropad.

Parts

32
QtyValueFootprintReferences
9SW_PushPCM_Switch_Keyboard_Cherry_MX:SW_Cherry_MX_PCBSW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10
4LEDLED_THT:LED_D1.8mm_W3.3mm_H2.4mmD1, D2, D3, D4
210kPCM_Resistor_THT_AKL:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_HorizontalR1, R6
222PCM_Resistor_THT_AKL:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_HorizontalR2, R3
222pCapacitor_SMD:C_0201_0603Metric_Pad0.64x0.40mm_HandSolderC1, C2
25k1PCM_Resistor_THT_AKL:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_HorizontalR4, R5
2RotaryEncoder_Switch_MPRotary_Encoder:RotaryEncoder_Alps_EC12E-Switch_Vertical_H20mmROTARY_SW1, ROTARY_SW2
11uCapacitor_SMD:C_0201_0603Metric_Pad0.64x0.40mm_HandSolderC3
1500mAFuse:Fuse_0603_1608MetricF1
1ATmega32U4-MPackage_DFN_QFN:QFN-44-1EP_7x7mm_P0.5mm_EP5.2x5.2mmU1
1AVR-ISP-6Connector_IDC:IDC-Header_2x03_P2.54mm_Vertical_SMDJ2
1Crystal_GND2Crystal:Resonator-3Pin_W7.0mm_H2.5mmY1
1SW_PushButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PlateSW1
1SW_PushButton_Switch_THT:SW_PUSH-12mmMode_SW1
1SW_PushButton_Switch_THT:SW_PUSH_6mmReset_SW1
1USB_C_Receptacle_USB2.0_16PConnector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_HorizontalJ1

Questions

What parts does the Macropad use?

32 parts, built around the ATMEGA32U4-MU. 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 Macropad KiCad files?

From the eRgo35/Macropad repository on GitHub, at the commit this page was made from: the board is Macropad.kicad_pcb and its schematic Macropad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Macropad design in my own project?

Its repository states no licence, so its author keeps all rights: ask eRgo35 before reusing the design.

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