4 layers65 × 56.5 mm
4 layers35.4 × 90.9 mm
RP2350 80QFN minimal
Sphyrna-029/Yet-Another-Rocket-ComputerYARC (Yet Another Rocket Comptuer). Rocket flight computers are all the craze nowa-days. This is my attempt at one.
- Size
- 35.4 × 90.9 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 51
- Nets
- 103
- Pads
- 323
- Tracks, vias
- 577, 227
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 30 Sep 2024
- Updated
- 27 May 2025
Overview
RP2350 80QFN minimal is an open-source printed circuit board by Sphyrna-029, from the Sphyrna-029/Yet-Another-Rocket-Computer repository on GitHub. It is a 4-layer board of 35.4 × 90.9 mm with 51 parts on 103 nets, routed with 577 tracks and 227 vias.
It is built around the E22-900M30S, W25Q128JVSIQ and ABM8-272-T3, with the MPU-6050 among its other parts. Its parts include 21 capacitors, 10 resistors, 5 ICs, 2 connectors and 1 inductor. It belongs with the RP2350 boards of this library.
Main components
4
E22-900M30S
SMD,38.5x24mm-151dBm 12km 14mA 2.5V~5.5V 31dBm 650mA Continuous frequency coverage IPEX interface LoRa SPI SMD,38.5x24mm LoRa Modules ROHSChengdu Ebyte Elec TechLoRa Modules
W25Q128JVSIQ
SOIC-8-208mil-40℃~+85℃ 100,000 cycles 120ms@(32KB) 128Mbit 133MHz 1uA 2.7V~3.6V 20 Years 3ms Power-on reset、Hardware write protection、Software write protection、Write enable latch、Absolute write protection SPI SOIC-8-208mil NOR FLASH ROHSWinbondNOR FLASH
ABM8-272-T3
SMD3225-4P-40℃~+85℃ 10pF 12MHz 50Ω SMD crystal oscillator ±30ppm ±30ppm SMD3225-4P Crystals ROHSAbraconCrystals
MPU-6050
QFN-24-EP(4x4)-40℃~+85℃ 16bit 1KB 2.375V~3.46V 5uA Accelerometer Gyroscope I2C X,Y,Z X,Y,Z ±16g ±2000dps QFN-24-EP(4x4) Accelerometers ROHSTDK InvenSenseAccelerometers
README
README.mdYet-Another-Rocket-Computer
YARC (Yet Another Rocket Comptuer). Rocket flight computers are all the craze nowa-days. This is my attempt at one.
Features
- 3-axis gyroscope and a 3-axis accelerometer (MPU6050)
- GPS (LC86G with built in patch)
- Telemetry (1 Watt Ebyte E22 Lora Module)
- Total footprint is 35mm x 90mm
Firmware will track flight events (launch, apogee, landing), altitude, location, and attitude. In addition to aiding in post flight recovery.
Parts
51| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 100n | Capacitor_SMD:C_0402_1005Metric | C2, C8, C11, C12, C13, C14, C15, C16, C17, C18, C20, C21 |
| 4 | LOGO | LOGO | G***, G***, G***, G*** |
| 3 | 10u | Capacitor_SMD:C_0805_2012Metric | C19, C23, C24 |
| 3 | 1k | Resistor_SMD:R_0402_1005Metric | R2, R4, R6 |
| 2 | 15p | Capacitor_SMD:C_0402_1005Metric | C3, C4 |
| 2 | 27 | Resistor_SMD:R_0402_1005Metric | R7, R8 |
| 2 | 4.7k | Resistor_SMD:R_0402_1005Metric | R1, R9 |
| 2 | 4.7u | RP2350_80QFN_minimal:C_0402_1005Metric_small_pads | C6, C7 |
| 2 | 4.7u | Capacitor_SMD:C_0402_1005Metric | C9, C10 |
| 2 | 5.1k | Resistor_SMD:R_0402_1005Metric | R5, R12 |
| 2 | LED | LED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolder | GPS, POWER |
| 2 | SW_Push | Button_Switch_SMD:SW_Push_1P1T_NO_Vertical_Wuerth_434133025816 | BOOT, RESET |
| 1 | 3.3u | RP2350_80QFN_minimal:L_pol_2016 | L1 |
| 1 | 33 | Resistor_SMD:R_0402_1005Metric | R3 |
| 1 | ABM8-272-T3 | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | Conn_01x20 | Connector_PinHeader_2.54mm:PinHeader_1x20_P2.54mm_Vertical | J2 |
| 1 | E22-900M30S | Library:XCVR_E22-900M30S | U2 |
| 1 | LC86G | GPS:XCVR_LC86G | U5 |
| 1 | LED_ARGB | LED_SMD:LED_Avago_PLCC4_3.2x2.8mm_CW | STATUS |
| 1 | MPU-6050 | Sensor_Motion:InvenSense_QFN-24_4x4mm_P0.5mm | IMU |
| 1 | MountingHole | MountingHole:MountingHole_2.7mm_M2.5 | H3 |
| 1 | NCP1117-3.3_SOT223 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U6 |
| 1 | RP2350_80QFN | RP2350_80QFN_minimal:RP2350-QFN-80-1EP_10x10_P0.4mm_EP3.4x3.4mm_ThermalVias | U1 |
| 1 | USB_C_Receptacle_USB2.0_14P | Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J5 |
| 1 | W25Q128JVS | flash:SOIC-8_5.23x5.23mm_P1.27mm | U3 |
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Questions
How big is the RP2350 80QFN minimal PCB?
It measures 35.4 × 90.9 mm and has 4 copper layers, 1.6 mm thick.
What parts does the RP2350 80QFN minimal use?
51 parts, built around the E22-900M30S, W25Q128JVSIQ, ABM8-272-T3 and MPU-6050. 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 RP2350 80QFN minimal KiCad files?
From the Sphyrna-029/Yet-Another-Rocket-Computer repository on GitHub, at the commit this page was made from: the board is Micro-Flight/RP2350_80QFN_minimal.kicad_pcb and its schematic Micro-Flight/RP2350_80QFN_minimal.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the RP2350 80QFN minimal design in my own project?
Its repository states no licence, so its author keeps all rights: ask Sphyrna-029 before reusing the design.