2 layers95 × 75 mm
2 layers50 × 67 mm
Vehicle for Exploration, Mapping & Air-quality Recon 🪖
- Size
- 50 × 67 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 94
- Nets
- 61
- Pads
- 273
- Tracks, vias
- 579, 75
- Pours
- 432
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 1 Dec 2025
- Updated
- 7 May 2026
Overview
Car is an open-source printed circuit board by le-flav-b, from the le-flav-b/VEMAR repository on GitHub. It is a 2-layer board of 50 × 67 mm with 94 parts on 61 nets, routed with 579 tracks and 75 vias.
It is built around the ATMEGA328P-AU, AMS1117-3.3 and TPS54302, with the SS36, AO3400A and FQP27P06 among its other parts. Its parts include 30 resistors, 23 capacitors, 12 diodes, 12 transistors and 6 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
7
ATMEGA328P-AU
TQFP-32(7x7)-40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 2KB 32KB 8 Bit AVR Built-in FLASH TQFP-32(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
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) Regulators
TPS54302
UncategorisedTexas Instruments
SS36
SMA(DO-214AC)-55℃~+125℃ 3A 500uA@60V 60V 700mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
AO3400A
SOT-23-55℃~+150℃ 1 N-channel 1.45V 1.4W 30V 48mΩ@2.5V 5.7A 50pF 630pF 75pF 7nC@10V N-Channel SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
FQP27P06
TO-220-55℃~+175℃ 1 P-Channel 1.4nF 120W 27A 43nC@10V 4V 60V 70mΩ@10V TO-220 MOSFETs ROHSonsemiMOSFETs
RS1MFA
SOD-123 FL-55℃~+150℃ 1 Independent 1.3V@800mA 1kV 30A 500ns 5uA@1kV 800mA SOD-123 FL Fast Recovery / High Efficiency Diodes ROHSonsemiFast Recovery / High Efficiency Diodes
README
hardware/boards/modules/gasses/README.mddescription of the board, maybe advice or intructions
Parts
94| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C5, C6, C7, C8, C10, C11, C16, C18, C21, C23 |
| 8 | SS36 | common:SMA(DO-214AC) | D5, D6, D7, D8, D9, D10, D11, D12 |
| 7 | 10K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R13, R14, R21, R22, R29, R30 |
| 6 | 4.7K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6, R7, R19, R20, R27, R28 |
| 4 | 1K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R15, R16, R23, R24 |
| 4 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline | Q5, Q6, Q11, Q12 |
| 4 | 47 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R17, R18, R25, R26 |
| 4 | AO3400A | Package_TO_SOT_SMD:SOT-23 | Q3, Q4, Q9, Q10 |
| 4 | FQP27P06 | Package_TO_SOT_THT:TO-220-3_Vertical | Q1, Q2, Q7, Q8 |
| 3 | JST | Connector_JST:JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J4, J5, J6 |
| 2 | 12pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C2, C3 |
| 2 | 22uF | common:CP_Elec_6.3x5.4 | C15, C17 |
| 2 | 22uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C12, C13 |
| 2 | 330 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4 |
| 2 | 470uF | common:CP_Elec_8x10.5 | C20, C22 |
| 2 | RED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D3 |
| 1 | 1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
| 1 | 105K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R9 |
| 1 | 10uF | Capacitor_SMD:CP_Elec_4x5.4 | C9 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C19 |
| 1 | 10uH | common:Inductor_octogone | L1 |
| 1 | 16MHz | air_sens_foots:crys_osc_smd3225_4 | Y1 |
| 1 | 4.7uF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4 |
| 1 | 43.2K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10 |
| 1 | 5.76K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R11 |
| 1 | 511K | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R8 |
| 1 | 680 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | 75pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C14 |
| 1 | ? | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U3 |
| 1 | ATmega328P-A | Package_QFP:TQFP-32_7x7mm_P0.8mm | U1 |
| 1 | Buzzer | common:buzzer_8.5x8.5 | BZ1 |
| 1 | Dupont | connector:Pin_02x04 | J3 |
| 1 | Dupont | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | Dupont | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J1 |
| 1 | GREEN | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
| 1 | JST | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | BT1 |
| 1 | LEFT | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | M1 |
| 1 | RIGHT | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | M2 |
| 1 | RS1MFA | common:D_SOD123 | D4 |
| 1 | SD Card Slot | air_sens_foots:SD_SLOT | SD1 |
| 1 | SW_Push | switch:SW_Tactile3x2.5 | SW1 |
| 1 | TPS54302 | Package_TO_SOT_SMD:TSOT-23-6_HandSoldering | U2 |
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Questions
How big is the Car PCB?
It measures 50 × 67 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Car use?
94 parts, built around the ATMEGA328P-AU, AMS1117-3.3, TPS54302 and SS36. 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 Car KiCad files?
From the le-flav-b/VEMAR repository on GitHub, at the commit this page was made from: the board is hardware/boards/vehicles/car/car.kicad_pcb and its schematic hardware/boards/controller/controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Car design in my own project?
Its repository states no licence, so its author keeps all rights: ask le-flav-b before reusing the design.