2 layers60 × 55 mm
2 layers60 × 55 mm
MiniArcade MainBoard
fnmax1/MiniArcadePCB- Size
- 60 × 55 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 31
- Nets
- 75
- Pads
- 168
- Tracks, vias
- 227, 38
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 22 Oct 2025
- Updated
- 23 Feb 2026
Overview
MiniArcade MainBoard is an open-source printed circuit board by fnmax1, from the fnmax1/MiniArcadePCB repository on GitHub. It is a 2-layer board of 60 × 55 mm with 31 parts on 75 nets, routed with 227 tracks and 38 vias.
It is built around the ATSAMD21J18A-AU, LM321 and F3311A7H121026E200. Its parts include 11 capacitors, 8 resistors, 4 connectors, 3 ICs and 1 diode. It belongs with the computers and single-board computers boards and the SAM D and SAM boards of this library.
Main components
3
ATSAMD21J18A-AU
TQFP-64(10x10)-40℃~+85℃ 1.62V~3.6V 10bit 12bit 256KB 32 Bit 32KB 48MHz 52 ARM Cortex-M0+ Built-in FLASH TQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
LM321
SOT-23-50℃~+70℃ 1 2mV 3nA 400V/ms 40mA 430uA 45nA 90dB SOT-23-5 Operational Amplifier ROHSPJSEMIOperational AmplifierF3311A7H121026E200
SMD,P=0.5mm,卧贴-55℃~+85℃ 0.3mm 0.5mm 1.02mm 26P Double-Sided Contacts, Top and Bottom Entry Gold Hinged Lid Phosphor bronze Surface Mount, Right Angle SMD,P=0.5mm,卧贴 FFC, FPC (Flat Flexible) Connector Assemblies ROHSAmphenolFFC, FPC (Flat Flexible) Connector Assemblies
Parts
31| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100n | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C5, C6, C7, C10, C11 |
| 2 | 100p | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C4 |
| 2 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3, R5 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C9 |
| 2 | 2k2 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R10 |
| 1 | 100 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6 |
| 1 | 1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C8 |
| 1 | 2u2 | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2 |
| 1 | 330 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | 62701021721 | MainBoard:62701021721 | J1 |
| 1 | 742792022 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | FB1 |
| 1 | AA3021LZGSK | MainBoard:LEDM3020X150N | LED1 |
| 1 | ATSAMD21J18A-A | Package_QFP:TQFP-64_10x10mm_P0.5mm | U1 |
| 1 | CPT-1207-3TH | MainBoard:SPKR_CPT-1207-3TH | LS1 |
| 1 | Conn_01x05_Pin | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J2 |
| 1 | Conn_01x06_Pin | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J3 |
| 1 | EVPAA | MainBoard:EVPAA | SW1 |
| 1 | F3311A7H121026E200 | MainBoard:F3311A7H121026E200 | J4 |
| 1 | LM321 | MainBoard:SOT95P280X145-5N | U2 |
| 1 | NetTie_2 | NetTie:NetTie-2_SMD_Pad0.5mm | NT1 |
| 1 | R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 1 | ~ | MainBoard:ERTFT144 | U3 |
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Questions
How big is the MiniArcade MainBoard PCB?
It measures 60 × 55 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MiniArcade MainBoard use?
31 parts, built around the ATSAMD21J18A-AU, LM321 and F3311A7H121026E200. 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 MiniArcade MainBoard KiCad files?
From the fnmax1/MiniArcadePCB repository on GitHub, at the commit this page was made from: the board is MiniArcade_MainBoard/MiniArcade_MainBoard.kicad_pcb and its schematic MiniArcade_Controller/MiniArcade_Controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the MiniArcade MainBoard design in my own project?
Its repository states no licence, so its author keeps all rights: ask fnmax1 before reusing the design.