4 layers86 × 100 mm
2 layers69.3 × 31.8 mm
VexLidarBoard
PascalSkylake/VexLidarBoard- Size
- 69.3 × 31.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 49
- Nets
- 55
- Pads
- 198
- Tracks, vias
- 254, 56
- Pours
- 127
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 17 Sep 2025
- Updated
- 18 Sep 2025
Overview
VexLidarBoard is an open-source printed circuit board by PascalSkylake, from the PascalSkylake/VexLidarBoard repository on GitHub. It is a 2-layer board of 69.3 × 31.8 mm with 49 parts on 55 nets, routed with 254 tracks and 56 vias.
It is built around the STM32F103C8T6 and THVD1420D. Its parts include 16 capacitors, 11 resistors, 9 diodes, 5 connectors and 4 ICs. It belongs with the STM32 boards of this library.
Main components
2
STM32F103C8T6
LQFP-48(7x7)-40℃~+85℃ 12bit 20KB 2V~3.6V 32 Bit 37 64KB 72MHz ARM Cortex-M3 Built-in FLASH LQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
THVD1420D
SOIC-8-40℃~+125℃ 1 1 1.5mA 12Mbps 256 3V~5.5V Half-Duplex Transceiver ±12kV SOIC-8 RS-485 / RS-422 ICs ROHSTexas InstrumentsRS-485 / RS-422 ICs
Parts
49| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C9, C11, C12, C13, C14 |
| 4 | 10uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C6, C10 |
| 4 | 22uF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C5, C7, C8 |
| 4 | D_TVS | Diode_SMD:D_1206_3216Metric_Pad1.42x1.75mm_HandSolder | D3, D4, D5, D6 |
| 3 | 220 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R7, R8 |
| 2 | 10pF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C15, C16 |
| 2 | 5.1k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10, R11 |
| 2 | Conn_01x07_Pin | Connector_Molex:Molex_PicoBlade_53261-0771_1x07-1MP_P1.25mm_Horizontal | J3, J4 |
| 2 | D_Schottky | Diode_SMD:D_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D1, D2 |
| 2 | SW_SPST | Button_Switch_SMD:SW_Tactile_SPST_NO_Straight_CK_PTS636Sx25SMTRLFS | SW1, SW2 |
| 1 | 1.5k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9 |
| 1 | 100k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5 |
| 1 | 10k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2 |
| 1 | 120 | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R3 |
| 1 | 16MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | Y1 |
| 1 | 3.3uH | Inductor_SMD:L_Abracon_ASPI-0425 | L1 |
| 1 | 4.7k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4 |
| 1 | 56.2k | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1 |
| 1 | Conn_01x04_Pin | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J2 |
| 1 | DBG_LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D9 |
| 1 | NCP1117-3.3_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | PWR_LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D7 |
| 1 | RJ9 | Connector_RJ:RJ9_Evercom_5301-440xxx_Horizontal | J1 |
| 1 | STAT_LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | D8 |
| 1 | STM32F103C8T6 | Package_QFP:LQFP-48_7x7mm_P0.5mm | U4 |
| 1 | THVD1420D | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | TPS563200 | Package_TO_SOT_SMD:SOT-23-6 | U1 |
| 1 | USB_C_Receptacle_USB2.0_14P | Connector_USB:USB_C_Receptacle_GCT_USB4105-xx-A_16P_TopMnt_Horizontal | J5 |
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Questions
How big is the VexLidarBoard PCB?
It measures 69.3 × 31.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the VexLidarBoard use?
49 parts, built around the STM32F103C8T6 and THVD1420D. 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 VexLidarBoard KiCad files?
From the PascalSkylake/VexLidarBoard repository on GitHub, at the commit this page was made from: the board is VexLidarBoard.kicad_pcb and its schematic VexLidarBoard.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the VexLidarBoard design in my own project?
Its repository states no licence, so its author keeps all rights: ask PascalSkylake before reusing the design.