2 layers21 × 21 mm Arduino mini, the printed circuit board in 3D

Arduino mini

A super mini arduino board

Size: 21 × 21 mm
Copper layers: 2
Thickness: 1.6 mm
Parts: 14
Nets: 32
Pads: 81
Tracks, vias: 142, 19
Pours: 60
Routed: Yes
KiCad: KiCad 7 (file 20221018)
Created: 17 Sep 2021
Updated: 2 Nov 2023

Overview

Arduino mini is an open-source printed circuit board by anxndsgn, from the anxndsgn/Arduino-mini repository on GitHub, published under the MIT licence. It is a 2-layer board of 21 × 21 mm with 14 parts on 32 nets, routed with 142 tracks and 19 vias.

It is built around the ATMEGA328P-AU, 1N5819WS and EVPBB4A9B000. Its parts include 5 capacitors, 4 connectors, 1 resistor, 1 IC and 1 diode. It belongs with the AVR (ATmega, ATtiny) boards of this library.

Main components

README

README.md

Arduino-mini

The Minimum Arduino board, based on ATmega328P.

The size is 21*21mm.

The 0.1 version is on EasyEDA.

Category and platform

AVR (ATmega, ATtiny)

Topics

openhardware arduino arduino-boards

Project files

Show this board on your page

https://pcbkit.io/boards/anxndsgn/Arduino-mini

The board's own page, for a message or a post.

Source

Repository: anxndsgn/Arduino-mini
Board file: Kicad File/Arduino Mini.kicad_pcb
Commit: 6734e7b
Homepage: anxin.design/project4
Licence: MIT

Parts

Qty	Value	Footprint	References
3	100nF	Capacitor_SMD:C_0805_2012Metric	C3, C4, C5
2	0.1uF	Capacitor_SMD:C_0805_2012Metric	C1, C2
2	Conn_01x06_Pin	Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical	J3, J4
2	Conn_01x08_Pin	Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical	J1, J2
1	1N5819WS	Diode_SMD:D_SOD-323	D1
1	ATmega328P-A	Package_QFP:TQFP-32_7x7mm_P0.8mm	U1
1	Crystal_GND3_Small	Crystal:Resonator_SMD_Murata_CSTxExxV-3Pin_3.0x1.1mm	Y1
1	EVPBB4A9B000	EVPBB4A9B000:SW_EVPBB4A9B000	S1
1	R	Resistor_SMD:R_0805_2012Metric	R1

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Questions

How big is the Arduino mini PCB?

It measures 21 × 21 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Arduino mini use?

14 parts, built around the ATMEGA328P-AU, 1N5819WS and EVPBB4A9B000. 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 Arduino mini KiCad files?

From the anxndsgn/Arduino-mini repository on GitHub, at the commit this page was made from: the board is Kicad File/Arduino Mini.kicad_pcb and its schematic Kicad File/Arduino Mini.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Arduino mini design in my own project?

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