4 layers86 × 125 mm
4 layers48 × 106.5 mm
Kicad cassandra
ayham-1/cassandraA CMSIS-DAP/CAN Bus viewer/CAN Payload Injector doodad, with functionality for libumdr (formula student).
- Size
- 48 × 106.5 mm
- Copper layers
- 4
- Thickness
- 1.58 mm
- Parts
- 54
- Nets
- 90
- Pads
- 277
- Tracks, vias
- 384, 84
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 1 Apr 2026
- Updated
- 23 Apr 2026
Overview
Kicad cassandra is an open-source printed circuit board by ayham-1, from the ayham-1/cassandra repository on GitHub. It is a 4-layer board of 48 × 106.5 mm with 54 parts on 90 nets, routed with 384 tracks and 84 vias.
It is built around the SN65HVD232D, BD33FC0WFP-E2 and 150060RS73220, with the SZNUP2105L among its other parts. Its parts include 13 capacitors, 13 resistors, 8 connectors, 4 switches and 3 ICs. It belongs with the STM32 boards of this library.
Main components
4
SN65HVD232D
SOIC-8-40℃~+85℃ 17mA 1Mbps 3.3V CAN Transceiver SOIC-8 CAN Transceivers ROHSTexas InstrumentsCAN Transceivers
BD33FC0WFP-E2
TO-252-5-25℃~+85℃@(Ta) 1 1A 2.5mA 26.5V 3.3V 700mV@(500mA) Fixed Over Current Protection、Over Temperature Protection Positive TO-252-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSROHM SemiconductorVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
150060RS73220
0603120° 20mA 2V 624nm 632nm 90mcd Red Water Clear 0603 LED Indication - Discrete ROHSWürth ElektronikLED Indication - Discrete
SZNUP2105L
SOT-23100nA 2 24V 30pF 32V 350W@8/20us 44V 8A@8/20us Bidirectional ESD IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 SOT-23 ESD and Surge Protection (TVS/ESD) ROHSonsemiESD And Surge Protection (TVS/ESD)
Parts
54| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 100n | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C6, C7, C8, C9, C10, C11 |
| 6 | 10k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R15, R16, R17, R18, R19 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | H1, H2, H3, H4 |
| 3 | SW_Push | cassandra:430162073826 | SW1, SW2, SW3 |
| 2 | 10p | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C12, C13 |
| 2 | 4.7k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12, R13 |
| 2 | 4.7u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C5 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10, R11 |
| 2 | Conn_ST_STDC14 | cassandra:ST_Link_Connection | J1, J4 |
| 2 | LOGO | the.funnies:no_hand | G***, G*** |
| 2 | RED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2 |
| 2 | ~ | cassandra:CONN4_05010302_WRE | J7, J8 |
| 1 | 120 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R14 |
| 1 | 1u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3 |
| 1 | 2.2u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2 |
| 1 | 230 | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 330 | Resistor_SMD:R_0603_1608Metric | R8 |
| 1 | 744235510 | cassandra:L_CommonModeChoke_Coilcraft_1812CAN | L1 |
| 1 | 831024589 | cassandra:831024589 | Y1 |
| 1 | BD33FC0WFP | Package_TO_SOT_SMD:TO-252-4 | U1 |
| 1 | Conn_02x10_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x10_P2.54mm_Vertical | J5 |
| 1 | DE9_Pins_MountingHoles | cassandra:WE-D-SUB_THT90_EC_210112013 | J3 |
| 1 | Micro_SD_Card_Det1 | cassandra:693071010811 | J6 |
| 1 | SN65HVD232 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | STM32F446RETx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U2 |
| 1 | SW_SPDT | cassandra:450302014072 | SW4 |
| 1 | SZNUP2105L | Package_TO_SOT_SMD:SOT-23_Handsoldering | D7 |
| 1 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | SolderJumper_3_Open | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm_NumberLabels | JP2 |
| 1 | USB_C_Receptacle_USB2.0_16P | cassandra:USB_C_Receptacle_Palconn_UTC16-G | J2 |
Questions
How big is the Kicad cassandra PCB?
It measures 48 × 106.5 mm and has 4 copper layers, 1.58 mm thick.
What parts does the Kicad cassandra use?
54 parts, built around the SN65HVD232D, BD33FC0WFP-E2, 150060RS73220 and SZNUP2105L. 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 Kicad cassandra KiCad files?
From the ayham-1/cassandra repository on GitHub, at the commit this page was made from: the board is kicad-cassandra/kicad-cassandra.kicad_pcb and its schematic kicad-cassandra/can.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Kicad cassandra design in my own project?
Its repository states no licence, so its author keeps all rights: ask ayham-1 before reusing the design.
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