4 layers74 × 44 mm
4 layers88.9 × 50.8 mm
Spudglo business card
wrig0421/spud-hardware- Size
- 88.9 × 50.8 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 163
- Nets
- 122
- Pads
- 586
- Tracks, vias
- 1,528, 173
- Pours
- 9
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 15 Jan 2023
- Updated
- 27 Jul 2026
Overview
Spudglo business card is an open-source printed circuit board by wrig0421, from the wrig0421/spud-hardware repository on GitHub. It is a 4-layer board of 88.9 × 50.8 mm with 163 parts on 122 nets, routed with 1,528 tracks and 173 vias.
It is built around the SN74HCT245PW, ECS-.327-9-1210-TR and ECS-480-8-36-RWN-TR, with the LP5907MFX-3.3, WS2812B-2020 and BC2AAPC among its other parts. Its parts include 70 capacitors, 47 diodes, 17 resistors, 10 ICs and 1 connector. It belongs with the STM32 boards of this library.
Main components
7
SN74HCT245PW
TSSOP-20-40℃~+85℃ 1 14ns@5.5V,50pF 4.5V~5.5V 6mA 6mA 74HCT 8 80uA Bidirectional Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, Transceivers
ECS-.327-9-1210-TR
SMD1210-2P-40℃~+85℃ 32.768kHz 90kΩ 9pF ±20ppm SMD1210-2P Crystals ROHSECSCrystals
ECS-480-8-36-RWN-TR
SMD2520-4P-40℃~+85℃ 40Ω 48MHz 8pF ±15ppm ±15ppm SMD2520-4P Crystals ROHSECSCrystals
LP5907MFX-3.3
SOT-23-5-40℃~+125℃@(Tj) 1 10uVrms 12uA 250mA 250mV@(250mA) 3.3V 5.5V 82dB@(1kHz) Fixed Positive Short Circuit Protection、Thermal shutdown、Enable control、Input under-voltage protection、Output discharge SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
WS2812B-2020
SMD,2.2x2mm0.6mA 0.84mm 120us 160mcd 200mcd 2kHz 2mm 2mm 300ns 470.4nm 515.6nm 520mcd 5V 622.5nm 800Kbit/s Built-in power-on reset circuit、Built-in power-on reset circuit、Integrated intelligent reverse connection protection function Top-mount SMD,2.2x2mm RGB LEDs(Built-in IC) ROHSWorldsemiRGB LEDs(Built-In IC)
BC2AAPC
插件-10℃~+100℃ 插件 Button And Strip Battery Connector ROHSMPDButton And Strip Battery Connector
LQM21PN1R0MC0D
08051uH 238mΩ 800mA 90MHz Multilayer inductor ±20% 0805 Inductors (SMD) ROHSMurataInductors (SMD)
Parts
163| Qty | Value | Footprint | References |
|---|---|---|---|
| 46 | 0.1uF | Capacitor_SMD:C_0201_0603Metric | C25, C26, C27, C28, C29, C30, C31, C32, C33, C34, C35, C36, C37, C38, C39, C40 +30 |
| 46 | WS2812B-2020 | LED_SMD:LED_WS2812B-2020_PLCC4_2.0x2.0mm | D1, D2, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23 +30 |
| 15 | LOGO | LOGO | G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G*** |
| 9 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3, R4, R5, R6, R7, R8, R11, R12 |
| 7 | 0.1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C8, C9, C10, C11, C12, C13, C14 |
| 5 | 4.7uF | Capacitor_SMD:C_0402_1005Metric | C1, C2, C5, C6, C7 |
| 4 | 100k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R13, R14, R15, R16 |
| 4 | 1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C17, C22, C23, C24 |
| 4 | ~ | srw_custom:MCSLPT4848C3DTR | U7, U8, U9, U10 |
| 2 | 6p | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C18, C21 |
| 2 | 8p | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C19, C20 |
| 1 | 0 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10 |
| 1 | 0.01u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C16 |
| 1 | 100 | Resistor_SMD:R_0402_1005Metric | R17 |
| 1 | 100k | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 10uF | Capacitor_SMD:C_0402_1005Metric | C3 |
| 1 | 1uF | Capacitor_SMD:C_0402_1005Metric | C4 |
| 1 | 4.7u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C15 |
| 1 | BC2AAPC | srw_custom:BAT_BC2AAPC | BT1 |
| 1 | Conn_01x08_Male | Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_Vertical | J1 |
| 1 | DNI | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R9 |
| 1 | ECS-.327-9-1210-TR | srw_custom:XTAL_ECS-.327-9-1210-TR | U5 |
| 1 | ECS-480-8-36-RWN-TR | srw_custom:XTAL_ECS-480-8-36-RWN-TR | U4 |
| 1 | LP5907MFX-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U6 |
| 1 | LQM21PN1R0MC0 | Inductor_SMD:L_0805_2012Metric | L1 |
| 1 | RED_LED | LED_SMD:LED_0603_1608Metric | D47 |
| 1 | SN74HCT245PW | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U2 |
| 1 | STM32L431RCTx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U3 |
| 1 | SW_DIP_x01 | srw_custom:SW_CFS-0102MA_NDC-L | SW1 |
| 1 | ~ | Package_DFN_QFN:DFN-6-1EP_2x2mm_P0.65mm_EP1x1.6mm | U1 |
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Questions
How big is the Spudglo business card PCB?
It measures 88.9 × 50.8 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Spudglo business card use?
163 parts, built around the SN74HCT245PW, ECS-.327-9-1210-TR, ECS-480-8-36-RWN-TR and LP5907MFX-3.3. 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 Spudglo business card KiCad files?
From the wrig0421/spud-hardware repository on GitHub, at the commit this page was made from: the board is Design/spudglo_business_card/spudglo_business_card/spudglo_business_card.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Spudglo business card design in my own project?
Its repository states no licence, so its author keeps all rights: ask wrig0421 before reusing the design.