Zmod
hdlguy·kicad·zmod_m2_ssd/zmod.kicad_pcb
About the Zmod PCB
Zmod is an open source PCB design by hdlguy, published on GitHub under the MIT license. It is a 4-layer board measuring 50 × 70 mm, with 20 components from 10 distinct parts.
Other key parts include the SN74LVC1T45DBV and LTC6957xMS-2. By type, the board carries 11 capacitors, 3 resistors, 2 ICs, 2 connectors, 1 crystal and 1 diode.
From the project
Miscellaneous KiCad work
This is a repo to contain some simple attempts to use Kicad 6 to design printed circuit boards.
I like to make it so that design files are usable by just cloning them from GitHub but that is not completely possible with KiCad because libraries are external to the design folders and KiCad relies on user level pathname to access libraries.
The official KiCad libraries are cloned from these url:

Main components on the Zmod
Zmod bill of materials (BOM)
20 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SN74LVC1T45DBV | SOT-23-6 | U1 |
| 1 | LTC6957xMS-2 | MSOP-12_3x4mm_P0.65mm | U2 |
| 1 | ECS-2520MVQ-1000-BN-TR | OSC_ECS-2520S25-250-FN-TR | X1 |
| 1 | MDT420M02001 | TE_1-2199230-5 | J1 |
| 1 | QTH-020-01-X-D-DP-A | SAMTEC_QTH-020-01-X-D-DP-A | J2 |
| 1 | LED | LED_0603_1608Metric | D3 |
| 11 | 0.01uf | C_0603_1608Metric | C1, C2, C3, C4, C5, C6, C7, C8 +3 |
| 1 | 100 | R_0603_1608Metric | R1 |
| 1 | 49.9 | R_0603_1608Metric | R2 |
| 1 | 240 | R_0603_1608Metric | R3 |
Zmod design files
The KiCad project lives in the hdlguy/kicad repository on GitHub; these links point at the commit this page was built from.
- Layoutzmod_m2_ssd/zmod.kicad_pcb
- Schematiczmod_m2_ssd/zmod.kicad_sch
Zmod: common questions
How big is the Zmod PCB?
The Zmod measures 50 × 70 mm, has 4 copper layers and is 1.548384 mm thick.
How many components are on the Zmod?
20 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Zmod design files?
From the hdlguy/kicad repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Zmod design in my own project?
Yes, under the terms of its MIT license, which hdlguy chose for the repository.
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