UDB-C-EZM
About the UDB-C-EZM PCB
UDB-C-EZM is an open source PCB design by Unified-Daughterboard, published on GitHub under the MIT license. It is a 4-layer board measuring 18 × 16.5 mm, with 7 components from 7 distinct parts.
Other key parts include the TPD4E05U06DQAR. By type, the board carries 2 connectors, 2 resistors, 1 IC, 1 fuse and 1 diode.
It belongs with the keyboards designs in this gallery.
From the project
For more details on the Unified Daughterboard project, see the main website.
For more details on the Unified Daughterboard project, see the main website.
The C5 daughterboard is the current most recent revision to the classic square form-factor daughterboard, with its roots in the C1 which was designed to be compatible with Wilba's keyboards. The daughterboard features the following:
- ESD protection, overcurrent protection, overvoltage protection, shielding noise decoupling, and single-path grounding to chassis functionality - Two variants: The new Molex Pico-EZmate and the classic JST-SH - 1:1 connector pinout to retain compatibility with existing PCBs - Same form…
Main components on the UDB-C-EZM
UDB-C-EZM bill of materials (BOM)
7 components, 7 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TPD4E05U06DQAR Texas Instruments | USON-10_2.5x1.0mm_P0.5mm | U1 |
| 1 | TYPE-C-31-M-12 TYPE-C-31-M12_13 Korean Hroparts | TYPE-C-31-M-12 | J1 |
| 1 | X1224WRS-04-LPV01 XKB Connectivity | PicoEZMate-Reinforced-Alt | J2 |
| 1 | ASMD1206-150 Shenzhen JDT Fuse | Fuse_1206_3216Metric | F1 |
| 1 | SMF6.0A FTR | D_SOD-123 | D1 |
| 1 | 0402WGF5101TCE 5.1k Uniroyal | R_0402_1005Metric | R1 |
| 1 | C25905 5.1k Uniroyal | R_0402_1005Metric | R2 |
UDB-C-EZM design files
The KiCad project lives in the Unified-Daughterboard/UDB-C-EZM repository on GitHub; these links point at the commit this page was built from.
- LayoutUDB.kicad_pcb
- SchematicUDB.kicad_sch
- BOMproduction/UDB-C-EZM_5.0_bom.csv
UDB-C-EZM: common questions
How big is the UDB-C-EZM PCB?
The UDB-C-EZM measures 18 × 16.5 mm, has 4 copper layers and is 1.6062 mm thick.
How many components are on the UDB-C-EZM?
7 components, from 7 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the UDB-C-EZM design files?
From the Unified-Daughterboard/UDB-C-EZM repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the UDB-C-EZM design in my own project?
Yes, under the terms of its MIT license, which Unified-Daughterboard chose for the repository.
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