2 layers121.9 × 88.9 mm
2 layers37 × 108.5 mm
Uniboard
greyltc/hardwareHardware disign files, for use with the KiCAD EDA
- Size
- 37 × 108.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 26
- Nets
- 37
- Pads
- 266
- Tracks, vias
- 23, 0
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 20 Oct 2016
- Updated
- 13 Mar 2022
Overview
Uniboard is an open-source printed circuit board by greyltc, from the greyltc/hardware repository on GitHub. It is a 2-layer board of 37 × 108.5 mm with 26 parts on 37 nets, routed with 23 tracks and 0 vias.
It is built around the PCF8574T and MAX14662ETI+. Its parts include 12 connectors, 6 ICs, 5 capacitors and 3 resistors. It belongs with the power boards of this library.
Main components
2
PCF8574T
SOP-16-300mil-40℃~+85℃ 100kHz 10uA 2.5V~6V 25mA 300uA 8 8 Cascading and address extension、Built-in LED driver I2C Interrupt Output Open-drain SOP-16-300mil I/O Expanders ROHSHGSEMII/O Expanders
MAX14662ETI+
TQFN-28-EP(4x4)-40℃~+85℃ 1.6V~5.5V 1:1 400MHz 425mΩ 5.5us 5.5us 80ns TQFN-28-EP(4x4) Analog Switches, Multiplexers ROHSMaxim Integrated (Analog Devices)Analog Switches, Multiplexers
README
README.mdhardware
Hardware disign files, for use with the KiCAD EDA
Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 8 | 2x1_pogo_pin | myparts:2x1_pogo_pin | P1, P2, P3, P4, P5, P6, P7, P8 |
| 3 | 0.1uF | Capacitors_SMD:C_0402 | C1, C2, C5 |
| 3 | MAX14662 | Housings_DFN_QFN:QFN-28-1EP_4x4mm_Pitch0.4mm | U1, U2, U3 |
| 2 | 100k | Resistors_SMD:R_0402 | R2, R3 |
| 2 | CONN_01X17 | Socket_Strips:Socket_Strip_Straight_1x17 | P11, P12 |
| 1 | 0R1 | Resistors_SMD:R_0402 | R1 |
| 1 | 2.2uF | Capacitors_SMD:C_0402 | C4 |
| 1 | 47uF | Capacitors_SMD:C_0402 | C3 |
| 1 | ARDUINO_MICRO | myparts:arduino_micro | U5 |
| 1 | CONN_01X04 | Socket_Strips:Socket_Strip_Angled_1x04 | P10 |
| 1 | CONN_02X08 | Socket_Strips:Socket_Strip_Straight_2x08 | P9 |
| 1 | LTC2345-18 | Housings_DFN_QFN:QFN-48-1EP_7x7mm_Pitch0.5mm | U6 |
| 1 | PCF8574 | SMD_Packages:SO-16-N | U4 |
Questions
How big is the Uniboard PCB?
It measures 37 × 108.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Uniboard use?
26 parts, built around the PCF8574T and MAX14662ETI+. 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 Uniboard KiCad files?
From the greyltc/hardware repository on GitHub, at the commit this page was made from: the board is KiCAD/uniboard/KiCad/uniboard.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Uniboard design in my own project?
Its repository states no licence, so its author keeps all rights: ask greyltc before reusing the design.
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