2crabs/Tornado-Board1Tornado is an open-source printed circuit board by 2crabs, from the 2crabs/Tornado-Board repository on GitHub, published under the CERN-OHL-S-2.0 licence. It is a 4-layer board of 22.9 × 22.9 mm with 45 parts on 47 nets, routed with 385 tracks and 51 vias.
It is built around the AP63205WU, AP2112K-3.3 and LSM6DSV, with the WS2812B among its other parts. Its parts include 20 capacitors, 7 connectors, 6 ICs, 5 diodes and 4 resistors. It belongs with the STM32 boards of this library.
Tornado is a fully open-source IMU board built for FRC
| Qty | Value | Footprint | References |
|---|---|---|---|
| 11 | 100nF | Capacitor_SMD:C_0402_1005Metric | C1, C9, C10, C11, C12, C13, C14, C17, C18, C19, C20 |
| 3 | 1uF | Capacitor_SMD:C_0603_1608Metric | C3, C4, C8 |
| 3 | 3k | Resistor_SMD:R_0603_1608Metric | R1, R2, R3 |
| 2 | 10uF | Capacitor_SMD:C_0805_2012Metric | C6, C7 |
| 2 | 18pF | Capacitor_SMD:C_0603_1608Metric | C15, C16 |
| 2 | 22uF | Capacitor_SMD:C_0805_2012Metric | C2, C5 |
| 2 | CANH | Tornado_Footprints:Wire_Hole | J3, J3 |
| 2 | CANL | Tornado_Footprints:Wire_Hole | J4, J4 |
| 2 | WS2812B | Tornado_Footprints:WS2812B-2020 | D3, D4 |
| 1 | 32MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | 4.7uH | Inductor_SMD:L_1008_2520Metric | L1 |
| 1 | 5 | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | AP2112K-3.3 | Package_TO_SOT_SMD:SOT-23-5 | U4 |
| 1 | AP63205WU | Package_TO_SOT_SMD:TSOT-23-6 | U1 |
| 1 | BLU | LED_SMD:LED_0603_1608Metric | D5 |
| 1 | D_Schottky | Diode_SMD:D_SOD-523 | D1 |
| 1 | GND | Tornado_Footprints:Wire_Hole | J5 |
| 1 | ID | Tornado_Footprints:TC029 | SW1 |
| 1 | LSM6DSV | Package_LGA:LGA-14_3x2.5mm_P0.5mm_LayoutBorder3x4y | U3 |
| 1 | M34E04 | Tornado_Footprints:8-UFDFPN | U6 |
| 1 | MOLEX | Tornado_Footprints:5050040812-MOLEX | J1 |
| 1 | PWR | Tornado_Footprints:Wire_Hole | J2 |
| 1 | STM32G431KBUx | Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm | U2 |
| 1 | TCAN1057A | Package_DFN_QFN:DFN-8-1EP_3x3mm_P0.65mm_EP1.7x2.05mm | U5 |
| 1 | TVS | Diode_SMD:D_SOD-323 | D2 |
It measures 22.9 × 22.9 mm and has 4 copper layers, 1.6 mm thick.
45 parts, built around the AP63205WU, AP2112K-3.3, LSM6DSV and WS2812B. 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.
From the 2crabs/Tornado-Board repository on GitHub, at the commit this page was made from: the board is Tornado.kicad_pcb and its schematic Tornado.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the CERN-OHL-S-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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