2 layers22 × 30 mm
Cardspansion u5
XyrusB2010/Cardspansion
A modular microcontroller system, featuring a customizable MCU
7 partsMIT
2 layers96 × 62.6 mm
Cardspansion dev
XyrusB2010/CardspansionA modular microcontroller system, featuring a customizable MCU
- Size
- 96 × 62.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 65
- Nets
- 73
- Pads
- 254
- Tracks, vias
- 729, 128
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 13 Aug 2025
- Updated
- 18 Sep 2025
Overview
Cardspansion dev is an open-source printed circuit board by XyrusB2010, from the XyrusB2010/Cardspansion repository on GitHub, published under the MIT licence. It is a 2-layer board of 96 × 62.6 mm with 65 parts on 73 nets, routed with 729 tracks and 128 vias.
It is built around the AMS1117-3.3, AMS1117-5.0 and USBLC6-2SC6, with the BAT54C, CR2032 and USB4110-GF-A among its other parts. Its parts include 32 resistors, 10 connectors, 7 capacitors, 7 diodes and 3 ICs.
Main components
6
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) RegulatorsAMS1117-5.0
SOT-223-40℃~+125℃ 1 1.3V 15V 1A 5V 60dB 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
USBLC6-2SC6
SOT-23-60.35pF、0.8pF 100nA 150W@8/20us 15V 2 5V 6A@8/20us 6V ESD SOT-23-6 ESD and Surge Protection (TVS/ESD) ROHSUMWESD And Surge Protection (TVS/ESD)
BAT54C
SOT-231 Pair Common Cathode 200mA 2uA@25V 30V 600mA 800mV@100mA SOT-23 Schottky Diodes ROHSNexperiaSchottky Diodes
CR2032
-- Unclassified goods ROHSMaxellUncategorised
USB4110-GF-A
SMD-40℃~+85℃ 1 48V 5A Black Female Surface Mount, Right Angle Type-C USB 2.0 SMD USB Connectors ROHSGlobal Connector Technology (GCT)USB Connectors
README
ESP32/README.mdCardspansion-ESP
This is the second MCU to be implemented into the Cardspansion series. Featuring an ESP32-WROOM-32UE, it is suited for applications requiring wireless connectivity (Wi-Fi and/or BLE). Because the ESP32 has no need for an 8MHz crystal, this card should have a simpler design. Unlike the STM32U5, it also comes with a different set of features (JTAG & SPI). Please note that this board does not directly interface USB due to the lack of a controller in the MCU.
Features
- I2C
- UART
- SPI
- JTAG
- I2S (including support for input)
- 2 LEDs (broken out for carrier board)
PCB Render
Parts
65| Qty | Value | Footprint | References |
|---|---|---|---|
| 14 | 10K | Resistor_SMD:R_0805_2012Metric | R15, R16, R17, R18, R23, R24, R25, R26, R27, R28, R29, R30, R31, R32 |
| 6 | 4.7K | Resistor_SMD:R_0805_2012Metric | R13, R14, R19, R20, R21, R22 |
| 5 | 220 | Resistor_SMD:R_0805_2012Metric | R5, R6, R9, R11, R12 |
| 4 | 10UF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C3, C5 |
| 3 | 100NF | Capacitor_SMD:C_0805_2012Metric | C4, C6, C7 |
| 3 | 1K | Resistor_SMD:R_0805_2012Metric | R7, R8, R10 |
| 2 | 22 | Resistor_SMD:R_0805_2012Metric | R3, R4 |
| 2 | 5.1K | Resistor_SMD:R_0805_2012Metric | R1, R2 |
| 1 | 12V-IN | Connector_BarrelJack:BarrelJack_Horizontal | J3 |
| 1 | 3.3V-PWR | LED_SMD:LED_0805_2012Metric | D3 |
| 1 | 5V-PWR | LED_SMD:LED_0805_2012Metric | D4 |
| 1 | 5V-SOURCE | Button_Switch_SMD:SW_SPDT_CK_JS102011SAQN | SW3 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | AMS1117-5.0 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | BAT54C | Package_TO_SOT_SMD:SOT-23 | D7 |
| 1 | BOOT | Button_Switch_SMD:SW_Tactile_SPST_NO_Straight_CK_PTS636Sx25SMTRLFS | SW2 |
| 1 | CR2032 | Battery:BatteryHolder_Multicomp_BC-2001_1x2032 | BT1 |
| 1 | EN | Button_Switch_SMD:SW_Tactile_SPST_NO_Straight_CK_PTS636Sx25SMTRLFS | SW1 |
| 1 | I2C | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical_SMD_Pin1Left | J5 |
| 1 | I2S | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical_SMD_Pin1Left | J8 |
| 1 | JTAG | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical_SMD_Pin1Left | J6 |
| 1 | LED1 | LED_SMD:LED_0805_2012Metric | D1 |
| 1 | LED2 | LED_SMD:LED_0805_2012Metric | D2 |
| 1 | M2-MOUNT | MountingHole:MountingHole_2.2mm_M2_Pad | H1 |
| 1 | M2-SOCKET-E | M2-SOCKET-E:TE_2199119-4 | J1 |
| 1 | SDIO | Connector_PinHeader_2.54mm:PinHeader_1x08_P2.54mm_Vertical_SMD_Pin1Left | J10 |
| 1 | SPI | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical_SMD_Pin1Left | J9 |
| 1 | SWD | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical_SMD_Pin1Left | J7 |
| 1 | UART | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical_SMD_Pin1Left | J4 |
| 1 | UART-RX | LED_SMD:LED_0805_2012Metric | D5 |
| 1 | UART-TX | LED_SMD:LED_0805_2012Metric | D6 |
| 1 | USB4110 | Connector_USB:USB_C_Receptacle_GCT_USB4110 | J2 |
| 1 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U1 |
The 64 most common of 65 parts.
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Questions
How big is the Cardspansion dev PCB?
It measures 96 × 62.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Cardspansion dev use?
65 parts, built around the AMS1117-3.3, AMS1117-5.0, USBLC6-2SC6 and BAT54C. 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 Cardspansion dev KiCad files?
From the XyrusB2010/Cardspansion repository on GitHub, at the commit this page was made from: the board is CarrierBoards/Cardspansion-Dev-Gen1/cardspansion-dev.kicad_pcb and its schematic CarrierBoards/Cardspansion-Dev-Gen1/cardspansion-dev.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Cardspansion dev 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).