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4 layers68.6 × 53.3 mmSFduino UNO S2, the printed circuit board in 3D

SF32LB52 Devkit

Size
68.6 × 53.3 mm
Copper layers
4
Thickness
1.6 mm
Parts
133
Nets
137
Pads
514
Tracks, vias
1,026, 188
Pours
3
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
8 Dec 2024
Updated
15 Dec 2024

Overview

SFduino UNO S2 is an open-source printed circuit board by HalfSweet, from the HalfSweet/SFduino-UNO-S2 repository on GitHub. It is a 4-layer board of 68.6 × 53.3 mm with 133 parts on 137 nets, routed with 1,026 tracks and 188 vias.

It is built around the FM8625H, CH343P and MT3608, with the NS4150B, PY25Q128HA-WXH-IR and MT9700 among its other parts. Its parts include 62 capacitors, 27 resistors, 12 ICs, 7 connectors and 4 diodes.

Main components

12

README

README.md

SFduino-UNO-S2

Parts

133
QtyValueFootprintReferences
150.1uCapacitor_SMD:C_0402_1005MetricC15, C20, C23, C27, C30, C33, C36, C39, C48, C50, C52, C53, C58, C59, C62
101uCapacitor_SMD:C_0402_1005MetricC6, C7, C28, C29, C42, C43, C45, C49, C51, C57
810uCapacitor_SMD:C_0402_1005MetricC1, C2, C3, C18, C19, C54, C55, C56
622uCapacitor_SMD:C_0603_1608MetricC24, C25, C26, C31, C32, C47
64.7uCapacitor_SMD:C_0402_1005MetricC4, C5, C8, C9, C14, C34
52.2uCapacitor_SMD:C_0402_1005MetricC11, C12, C13, C38, C44
410kResistor_SMD:R_0402_1005MetricR4, R7, R11, R27
44.7kResistor_SMD:R_0402_1005MetricR5, R19, R21, R22
4MountingHole_3.2mmArduino_MountingHole:MountingHole_3.2mmMH1, MH2, MH3, MH4
4TBDCapacitor_SMD:C_0402_1005MetricC16, C17, C60, C61
3100kResistor_SMD:R_0402_1005MetricR8, R20, R23
31kResistor_SMD:R_0402_1005MetricR3, R15, R16
3330pCapacitor_SMD:C_0402_1005MetricC35, C37, C40
3DSS34Diode_SMD:D_SOD-123FD1, D2, D3
2100RResistor_SMD:R_0402_1005MetricR24, R25
210uCapacitor_SMD:C_0603_1608MetricC21, C22
2120R@100MInductor_SMD:L_0402_1005MetricFB1, FB2
21MResistor_SMD:R_0402_1005MetricR10, R12
243.2kResistor_SMD:R_0402_1005MetricR13, R14
25.1kResistor_SMD:R_0402_1005MetricR17, R18
2MT9700Package_TO_SOT_SMD:SOT-23-5U3, U10
2SI2305Package_TO_SOT_SMD:SOT-23Q1, Q2
2TBD_RResistor_SMD:R_0402_1005MetricR1, R2
10524PPackage_SON:USON-10_2.5x1.0mm_P0.5mmU11
10RResistor_SMD:R_0603_1608MetricR26
11.5nCapacitor_SMD:C_0402_1005MetricC46
110nCapacitor_SMD:C_0402_1005MetricC41
112MCrystal:Crystal_SMD_2520-4Pin_2.5x2.0mmY2
12.2uHInductor_SMD:L_Sunlord_SWPA4020SL2
14.7uHInductor_SMD:L_Sunlord_SWPA4020SL3
14.7uHInductor_SMD:L_Murata_DFE201610PL1
1470nCapacitor_SMD:C_0402_1005MetricC10
148MCrystal:Crystal_SMD_2016-4Pin_2.0x1.6mmY1
154.9kResistor_SMD:R_0402_1005MetricR6
173.2kResistor_SMD:R_0402_1005MetricR9
1AO3407Package_TO_SOT_SMD:SOT-23Q3
1AnalogConnector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_VerticalJ3
1Antenna_ShieldConnector_Coaxial:U.FL_Molex_MCRF_73412-0110_VerticalAE2
1BLUELED_SMD:LED_0603_1608MetricD4
1CA-C03CrossAir ANT:CA-C03AE1
1CH334PPackage_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mmU8
1CH343PPackage_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mmU9
1CX90MMy USB Connector:USB-C-SMD_CX90M-16PJ6
1DC050-TConnector_BarrelJack:BarrelJack_GCT_DCJ200-10-A_HorizontalDC1
1Digital/PWMConnector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_VerticalJ4
1Digital/PWMConnector_PinSocket_2.54mm:PinSocket_1x10_P2.54mm_VerticalJ2
1FM8625HPackage_LGA:Infineon_PG-TSNP-6-10_0.7x1.1mm_0.7x1.1mm_P0.4mmU12
1FPC 16p 0.5mmConnector_FFC-FPC:Hirose_FH12-16S-0.5SH_1x16-1MP_P0.50mm_HorizontalJ5
1FSM42A3729micphone:MIC-SMD_4P-L3.8-W3.0MIC1
1ME6211C33M5Package_TO_SOT_SMD:SOT-23-5U5
1MT3608Package_TO_SOT_SMD:SOT-23-6U7
1MX1.25 2PConnector_JST:JST_GH_SM02B-GHS-TB_1x02-1MP_P1.25mm_HorizontalJ7
1NS4150BPackage_SO:MSOP-8_3x3mm_P0.65mmU6
1PY25Q128HA-WXH-IRPackage_SON:WSON-8-1EP_6x5mm_P1.27mm_EP3.4x4.3mmU2
1PowerConnector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_VerticalJ1
1SF32LB527UD6Package_DFN_QFN:ArtInChip_QFN-68-1EP_7x7mm_P0.35mm_EP5.49x5.49mmU1
1SK-3293SMy Switch:SW-SMD_SK-3293S_mini_7PSW2
1SKHMQLE010My Switch:KEY-SMD_4P-L6.2-W6.5-P4.50-LS8.0_SKHMXXSW1
1Speakerspeak:FUET-1818-1.8x1.8mm-H6.1mmLS1
1TPS563201Package_TO_SOT_SMD:SOT-23-6U4

Questions

How big is the SFduino UNO S2 PCB?

It measures 68.6 × 53.3 mm and has 4 copper layers, 1.6 mm thick.

What parts does the SFduino UNO S2 use?

133 parts, built around the FM8625H, CH343P, MT3608 and NS4150B. 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 SFduino UNO S2 KiCad files?

From the HalfSweet/SFduino-UNO-S2 repository on GitHub, at the commit this page was made from: the board is SFduino-UNO-S2.kicad_pcb and its schematic Audio.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the SFduino UNO S2 design in my own project?

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

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