2 layers68 × 100 mm
2 layers95 × 78 mm
SSRU v3.3
HKUST-Red-Bird-Racing-EVRT/GEN6_ELECELEC Github Repo for Gen 6
- Size
- 95 × 78 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 211
- Nets
- 55
- Pads
- 233
- Tracks, vias
- 416, 721
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 27 Feb 2026
- Updated
- 29 Oct 2026
Overview
SSRU v3.3 is an open-source printed circuit board by HKUST-Red-Bird-Racing-EVRT, from the HKUST-Red-Bird-Racing-EVRT/GEN6_ELEC repository on GitHub. It is a 2-layer board of 95 × 78 mm with 211 parts on 55 nets, routed with 416 tracks and 721 vias.
It is built around the ATMEGA328P-AU, TJA1051T and LM2576S-5.0. Its parts include 27 capacitors, 14 resistors, 6 ICs, 2 diodes and 2 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
3
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)
TJA1051T
SOIC-8-40℃~+150℃ 2.5mA 4.5V~5.5V 5Mbps 70mA CAN Transceiver SOIC-8 CAN Transceivers ROHSNXP SemiconductorsCAN Transceivers
LM2576S-5.0
TO-263-5-40℃~+125℃@(TJ) 1 3A 4V~40V 52kHz 5V 5mA Buck Built-in Fixed No Step-down type TO-263-5 DC-DC Converters ROHSSlkorDC-DC Converters
Parts
211| Qty | Value | Footprint | References |
|---|---|---|---|
| 147 | LOGO | LOGO | G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G***, G*** +131 |
| 19 | 100nF | RMC_Capacitor:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder_L | C1, C3, C4, C10, C12, C13, C14, C23, C24, C29, C31, C32, C36, C37, C39, C40 +3 |
| 6 | 1M | RMC_Resistor:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_L | R1, R2, R3, R8, R9, R10 |
| 5 | Jumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_Pad1.0x1.5mm | JP1, JP2, JP3, JP4, JP5 |
| 2 | 10M | RMC_Resistor:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_L | R4, R15 |
| 2 | 10uF | RMC_Capacitor:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder_L | C2, C18 |
| 2 | 16pF | RMC_Capacitor:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder_L | C26, C27 |
| 2 | 22pF | RMC_Capacitor:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder_L | C5, C17 |
| 2 | 4.7k | RMC_Resistor:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_L | R5, R7 |
| 2 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_ISO14580_Pad | H1, H2 |
| 2 | SGM722 | RMC_SO:SOIC-8_3.9x4.9mm_P1.27mm_RMC_Handsolder | U3, U69 |
| 1 | 100uF | RMC_Capacitor:CP_Radial_D6.3mm_P2.50mm_handsolder | C7 |
| 1 | 10k | RMC_Resistor:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_L | R16 |
| 1 | 120R | RMC_Resistor:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_L | R17 |
| 1 | 16MHz | RMC_Crystal:Crystal_HC49-U_Vertical_W_SMD | Y1 |
| 1 | 20MHz | RMC_Crystal:Crystal_HC49-U_Vertical_W_SMD | Y4 |
| 1 | 330R | RMC_Resistor:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_L | R38 |
| 1 | 330uF | RMC_Capacitor:CP_Radial_D6.3mm_P2.50mm_handsolder | C11 |
| 1 | 330uH | RMC_Inductor:L_10.4x10.4_H4.8 | L1 |
| 1 | 4k7 | RMC_Resistor:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder_L | R40 |
| 1 | ATmega328P-A | RMC_QFP:TQFP-32_7x7mm_P0.8mm_L | U2 |
| 1 | AVR-ISP-6 | Connector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_Vertical | J4 |
| 1 | Conn_01x24 | RMC_Connnector:HD241_24pin | J2 |
| 1 | Fuse | to be sorted:Fuse_1210_3225Metric_Pad1.42x2.65mm_HandSolder | F2 |
| 1 | LED | RMC_LED:LED_0805_2012Metric_Pad1.45x1.40mm_HandSolder | D3 |
| 1 | LM2576S-5 | RMC_TO:TO-263-5_TabPin3_Handsolder | U4 |
| 1 | LOGO | RBR_logo:RBR_logo | G*** |
| 1 | MCP2515-xST | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U6 |
| 1 | SMA Diode | Diode_SMD:D_SMA_Handsoldering | D2 |
| 1 | SW_Push | Button_Switch_THT:SW_PUSH_6mm_H5mm | SW1 |
| 1 | TJA1051T | RMC_SO:SOIC-8_3.9x4.9mm_P1.27mm_RMC_Handsolder | U10 |
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Questions
How big is the SSRU v3.3 PCB?
It measures 95 × 78 mm and has 2 copper layers, 1.6 mm thick.
What parts does the SSRU v3.3 use?
211 parts, built around the ATMEGA328P-AU, TJA1051T and LM2576S-5.0. 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 SSRU v3.3 KiCad files?
From the HKUST-Red-Bird-Racing-EVRT/GEN6_ELEC repository on GitHub, at the commit this page was made from: the board is SSRU_v3.3/SSRU_v3.3.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the SSRU v3.3 design in my own project?
Its repository states no licence, so its author keeps all rights: ask HKUST-Red-Bird-Racing-EVRT before reusing the design.