2 layers40.6 × 66 mm
4 layers163.7 × 99.6 mm
Shield
SyedAymen/Shield- Size
- 163.7 × 99.6 mm
- Copper layers
- 4
- Thickness
- 1.62 mm
- Parts
- 98
- Nets
- 255
- Pads
- 682
- Tracks, vias
- 1,964, 142
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 1 Sep 2026
- Updated
- 25 Oct 2026
Overview
Shield is an open-source printed circuit board by SyedAymen, from the SyedAymen/Shield repository on GitHub. It is a 4-layer board of 163.7 × 99.6 mm with 98 parts on 255 nets, routed with 1,964 tracks and 142 vias.
It is built around the AMS1117-3.3, AMS1117-1.8 and LM1117S-1.2, with the TCA9406DCUR, USB5744/2GX01 and 1N4148WT among its other parts. Its parts include 35 capacitors, 20 resistors, 14 connectors, 11 ICs and 8 diodes.
Main components
10
AMS1117-3.3
SOT-223-40℃~+125℃ 0.003%Vout 1 1.1V@(800mA) 15V 1A 3.3V 5mA 72dB@(120Hz) Fixed Over Current Protection、Short Circuit Protection、Thermal shutdown Positive SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) RegulatorsAMS1117-1.8
SOT-223-40℃~+125℃@(Tj) 0.003%Vout 1 1.3V@(1A) 1.8V 15V 1A 72dB@(120Hz) Fixed Positive Short Circuit Protection、Thermal shutdown SOT-223 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSAdvanced Monolithic SystemsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
LM1117S-1.2
SOT-223-3-40℃~+125℃@(Tj) 1 1.2V 1.2V@(1A) 100uV 12V 1A 5mA 75dB@(120Hz) Fixed Over Temperature Protection Positive SOT-223-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSHTC Korea TAEJIN TechVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
TCA9406DCUR
VSSOP-8-0.5mm-40℃~+85℃ 1 1.65V~3.6V 2 2.3V~5.5V 24Mbps Automatic direction detection、Output enable high-impedance、Integrated pull-up resistor Bidirectional Level translator Open-drain SMBus、I2C、UART VSSOP-8-0.5mm Translators, Level Shifters ROHSTexas InstrumentsTranslators, Level Shifters
USB5744/2GX01
VQFN-56-EP(7x7)VQFN-56-EP(7x7) USB HUB Controllers ROHSMicrochip TechnologyUSB ICs
1N4148WT
SOD-523-55℃~+150℃ 1.25V@150mA 100V 150mA 150mW 1uA@75V 2A 4ns Independent SOD-523 Switching Diodes ROHShongjiachengSwitching Diodes
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
TPD4E02B04DQAR
USON-10(1x2.5)-40℃~+125℃ 0.33pF 10nA 17W@8/20us 2A@8/20us 3.6V 7.5V 8.8V Bidirectional Four channels IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 TVS USON-10(1x2.5) ESD and Surge Protection (TVS/ESD) ROHSTexas InstrumentsESD And Surge Protection (TVS/ESD)
WS2812B
5mm X 5mm Surface Mount RGB LED with Intelligent ControlWorldsemiUncategorised77313-118-40LF
插件,P=2.54mmPlugin,P=2.54mm Pin Headers ROHSAmphenolPin Headers
Parts
98| Qty | Value | Footprint | References |
|---|---|---|---|
| 18 | 0.1 u | Capacitor_SMD:C_0805_2012Metric | C2, C13, C15, C16, C18, C20, C21, C22, C24, C25, C26, C27, C29, C33, C34, C35 +2 |
| 5 | 10 u | Capacitor_SMD:C_0805_2012Metric | C7, C9, C10, C14, C28 |
| 5 | 22 u | Capacitor_SMD:C_0805_2012Metric | C8, C11, C12, C30, C31 |
| 4 | 10 K | Resistor_SMD:R_0805_2012Metric | R3, R7, R8, R15 |
| 3 | 1 K | Resistor_SMD:R_0805_2012Metric | R18, R20, R21 |
| 3 | 100 K | Resistor_SMD:R_0805_2012Metric | R1, R2, R6 |
| 3 | 100 u | Capacitor_SMD:C_0805_2012Metric | C17, C19, C23 |
| 3 | TPS2051BDBVR | TPS2051BDBVR:DBV0005A_N | U7, U8, U9 |
| 3 | USB3_A | Connector_USB:USB_A_Receptacle_XKB_U231-091N-4BLRA00-S | J9, J14, J15 |
| 2 | 12 K | Resistor_SMD:R_0805_2012Metric | R9, R10 |
| 2 | 1N4148WT | Diode_SMD:D_SOD-523 | D3, D4 |
| 2 | 22 p | Capacitor_SMD:C_0805_2012Metric | C3, C6 |
| 2 | 4.7 u | Capacitor_SMD:C_0805_2012Metric | C1, C4 |
| 2 | 5.1 K | Resistor_SMD:R_0805_2012Metric | R11, R12 |
| 2 | 5051102291 | Molex_22Pin_5051102291:CON_5051102291_MOL | J3, J4 |
| 2 | 56 K | Resistor_SMD:R_0805_2012Metric | R13, R14 |
| 2 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3, U4 |
| 2 | Bus_PCI_Express_Mini | mPCIe_52Pin_1775862-2:TE_1775862-2 | J6, J8 |
| 2 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q2, Q3 |
| 2 | SAMTEC-FTS-130-01-X-DV | SAMTEC-FTS-130-01-X-DV:SAMTEC-FTS-130-01-X-DV | J1, J2 |
| 2 | TPD4E02B04DQAR | TPD4E02B04DQAR:DIO_TPD4E02B04DQAR | D5, D6 |
| 2 | WS2812B | WS2812B:WS2812B | LED1, LED2 |
| 1 | 10 | Resistor_SMD:R_0805_2012Metric | R5 |
| 1 | 2.2 K | Resistor_SMD:R_0805_2012Metric | R19 |
| 1 | 200 K | Resistor_SMD:R_0805_2012Metric | R4 |
| 1 | 2N3904 | Package_TO_SOT_SMD:SOT-23_Handsoldering | Q1 |
| 1 | 3.3 uH | Inductor_SMD:L_0805_2012Metric_Pad1.05x1.20mm_HandSolder | L1 |
| 1 | 33 K | Resistor_SMD:R_0805_2012Metric | R16 |
| 1 | 77313-118-40LF | 77313-118-40LF:AMPHENOL_77313-118-40LF | J5 |
| 1 | AMS1117-1.8 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U5 |
| 1 | AP62300Z6-7 | AP62300Z6-7:SOT563-Z6_1_DIO | U10 |
| 1 | Conn_02x03_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J13 |
| 1 | Crystal | Crystal:Crystal_SMD_3215-2Pin_3.2x1.5mm | Y1 |
| 1 | D_Schottky | Diode_SMD:D_3220_8050Metric_Pad2.65x5.15mm_HandSolder | D1 |
| 1 | D_TVS | Diode_SMD:D_SMA_Handsoldering | D2 |
| 1 | LM1117S-1.2 | LM1117S-1.2:SOT230P695X180-4N | U6 |
| 1 | Polyfuse | Fuse:Fuse_1812_4532Metric | F1 |
| 1 | SIM_Card_Shielded | Connector_Card:nanoSIM_Hinged_CUI_NSIM-2-C | J12 |
| 1 | TCA9406DCUR | TCA9406DCUR:SOP50P310X90-8N | U1 |
| 1 | TXB0102DCUR | TXB0102DCUR:DCU0008A_N | U11 |
| 1 | USB5744_2G | USB5744_2G:QFN40P700X700X100-57N | U2 |
| 1 | USB_C_Receptacle | Connector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J7 |
| 1 | USB_C_Receptacle_PowerOnly_6P | Type C 6 pin_ul_U262-061N-4BVC10:U262-061N-4BVC10_XKB | J11 |
The 94 most common of 98 parts.
Questions
How big is the Shield PCB?
It measures 163.7 × 99.6 mm and has 4 copper layers, 1.62 mm thick.
What parts does the Shield use?
98 parts, built around the AMS1117-3.3, AMS1117-1.8, LM1117S-1.2 and TCA9406DCUR. 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 Shield KiCad files?
From the SyedAymen/Shield repository on GitHub, at the commit this page was made from: the board is Shield.kicad_pcb and its schematic Docs/Uno_Q_Shield_1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Shield design in my own project?
Its repository states no licence, so its author keeps all rights: ask SyedAymen before reusing the design.
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