leechwort/uleaf3Minimalistic STM32 devboard to run audio synthesis toolkits
Uleaf is an open-source printed circuit board by leechwort, from the leechwort/uleaf repository on GitHub, published under the MIT licence. It is a 4-layer board of 25.7 × 26.3 mm with 26 parts on 48 nets, routed with 823 tracks and 81 vias.
It is built around the W25Q128JVSIQ, PCM5102PW and ABM8-25.000MHZ-B2-T. Its parts include 15 capacitors, 4 ICs, 3 resistors, 3 connectors and 1 crystal. It belongs with the microcontroller boards boards and the STM32 boards of this library.
uLEAF is a minimalistic STM32 platform for developing audio synthesis applications. It was primarily designed for use with LEAF (Lightweight Embedded Audio Framework), but is not limited to it.
This development board tries to be as cheap and simple as possible. It is designed to be highly versatile, allowing you to easily embed it directly into your own projects or use it as a starting point to develop your own custom PCB based on this design.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 2.2u | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C4, C7, C8 |
| 5 | 100n | Capacitor_SMD:C_0603_1608Metric | C9, C10, C11, C14, C15 |
| 2 | 2.2nF | Capacitor_SMD:C_0603_1608Metric | C5, C6 |
| 2 | 27pF | Capacitor_SMD:C_0603_1608Metric | C16, C17 |
| 2 | 470 | Resistor_SMD:R_0603_1608Metric | R2, R3 |
| 2 | Conn_01x10 | uleaf:PinHeader_1x10_P2.54mm_Vertical_Castellated | J3, J4 |
| 1 | 10k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | ABM8-25.000MHZ-B2 | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm | Y1 |
| 1 | APS6404L-3SQRx-SN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | PCM5102 | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U2 |
| 1 | STM32H533CEUx | Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm | U5 |
| 1 | SWD Debug | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J2 |
| 1 | W25Q128JVS | Package_SO:SOIC-8_5.3x5.3mm_P1.27mm | U4 |
It measures 25.7 × 26.3 mm and has 4 copper layers, 1.6 mm thick.
26 parts, built around the W25Q128JVSIQ, PCM5102PW and ABM8-25.000MHZ-B2-T. 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 leechwort/uleaf repository on GitHub, at the commit this page was made from: the board is uleaf.kicad_pcb and its schematic uleaf.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT 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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