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4 layers65 × 30 mmGimmeGPIO, the printed circuit board in 3D

hardware to add GPIO to any PC running Linux

Size
65 × 30 mm
Copper layers
4
Thickness
1.6 mm
Parts
24
Nets
50
Pads
173
Tracks, vias
503, 119
Pours
4
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
14 Sep 2025
Updated
16 Sep 2025

Overview

GimmeGPIO is an open-source printed circuit board by mayermakes, from the mayermakes/GimmeGPIO repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 65 × 30 mm with 24 parts on 50 nets, routed with 503 tracks and 119 vias.

It is built around the ESP32-S2-MINI-1-N4. Its parts include 6 capacitors, 6 resistors, 3 connectors, 2 ICs and 2 switches. It belongs with the ESP32 boards of this library.

Main components

1

README

README.md

GimmeGPIO

hardware to add GPIO to any PC running Linux

basic test, pins and pwm working updated FW python library working. pushed changes. case fits.

Parts

24
QtyValueFootprintReferences
4MountingHole_2.7mm_M2.5MountingHole:MountingHole_2.7mm_M2.5MH1, MH2, MH3, MH4
30,1uFCapacitor_SMD:C_0603_1608MetricC3, C4, C7
2100kResistor_SMD:R_0603_1608MetricR16, R21
210uFCapacitor_SMD:C_0603_1608MetricC5, C6
227Resistor_SMD:R_0603_1608MetricR19, R20
25k1Resistor_SMD:R_0603_1608MetricR17, R18
11uFCapacitor_SMD:C_0603_1608MetricC2
12171790001USB-C_20_molex:MOLEX_2171790001J4
1BOOTButton_Switch_SMD:SW_SPST_PTS810SW1
1Conn_01x04_UARTConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ2
1ESP32-S2-MINI-1Espressif:ESP32-S2-MINI-1UU1
1GPIOConnector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_VerticalJ1
1MCP1825SPackage_TO_SOT_SMD:SOT-223-3_TabPin2U3
1RESETButton_Switch_SMD:SW_SPST_PTS810SW2
1Val**e14:e14presents logo 10mm silk and copper v2Ref**

Questions

How big is the GimmeGPIO PCB?

It measures 65 × 30 mm and has 4 copper layers, 1.6 mm thick.

What parts does the GimmeGPIO use?

24 parts, built around the ESP32-S2-MINI-1-N4. 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 GimmeGPIO KiCad files?

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

Can I use the GimmeGPIO design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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