2 layers290.1 × 130 mm
2 layers64.8 × 54.9 mm
Leoniduction
marcusmueller/leoniductionLDC0851 breakout board
- Size
- 64.8 × 54.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 14
- Pads
- 78
- Tracks, vias
- 171, 41
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 18 May 2026
- Updated
- 18 May 2026
Overview
Leoniduction is an open-source printed circuit board by marcusmueller, from the marcusmueller/leoniduction repository on GitHub, published under the CERN-OHL-S-2.0 licence. It is a 2-layer board of 64.8 × 54.9 mm with 29 parts on 14 nets, routed with 171 tracks and 41 vias.
It is built around the AMS1117-3.3. Its parts include 10 capacitors, 7 connectors, 4 inductors, 2 ICs and 1 resistor.
Main components
1Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | 100n | Capacitor_SMD:C_0603_1608Metric | C2, C4 |
| 2 | 22u | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | 2u3 | pcb_coils:pcb_coil_2u3_12mm | L3, L4 |
| 2 | C | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C11, C12 |
| 2 | C | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C8 |
| 2 | L | Inductor_THT:L_Axial_L5.3mm_D2.2mm_P2.54mm_Vertical_Vishay_IM-1 | L1, L2 |
| 1 | 1n | Capacitor_SMD:C_0603_1608Metric | C6 |
| 1 | 3.3V | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J2 |
| 1 | 50k | Potentiometer_THT:Potentiometer_Runtron_RM-065_Vertical | RV1 |
| 1 | 50k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U1 |
| 1 | C | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5 |
| 1 | Conn_01x04_Socket | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J7 |
| 1 | EN | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP3 |
| 1 | LDC0851 | Package_SON:WSON-8-1EP_2x2mm_P0.5mm_EP0.9x1.6mm | U2 |
| 1 | Logo_Open_Hardware_Small | Symbol:OSHW-Logo_7.5x8mm_SilkScreen | Sym1 |
| 1 | Power | Connector_Phoenix_MC_HighVoltage:PhoenixContact_MC_1,5_2-G-5.08_1x02_P5.08mm_Horizontal | J1 |
| 1 | basic | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP2 |
| 1 | coils | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J4 |
| 1 | en | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J3 |
| 1 | external coils | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J5 |
| 1 | internal 3.3V | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1 |
| 1 | on-board coils | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J6 |
Questions
How big is the Leoniduction PCB?
It measures 64.8 × 54.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Leoniduction use?
29 parts, built around the AMS1117-3.3. 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 Leoniduction KiCad files?
From the marcusmueller/leoniduction repository on GitHub, at the commit this page was made from: the board is leoniduction.kicad_pcb and its schematic leoniduction.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Leoniduction design in my own project?
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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