2 layers17.8 × 33 mm
ProMicro UART
clayton13/ProMicro
collection of various PCBs fitting the Sparkfun ProMicro and Arduino ProMini
56 parts
2 layers17.8 × 30.5 mm
ProMicro BUS
clayton13/ProMicrocollection of various PCBs fitting the Sparkfun ProMicro and Arduino ProMini
- Size
- 17.8 × 30.5 mm
- Copper layers
- 2
- Thickness
- 0.8 mm
- Parts
- 15
- Nets
- 38
- Pads
- 82
- Tracks, vias
- 137, 42
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 22 Dec 2020
- Updated
- 5 Dec 2020
Overview
ProMicro BUS is an open-source printed circuit board by clayton13, from the clayton13/ProMicro repository on GitHub. It is a 2-layer board of 17.8 × 30.5 mm with 15 parts on 38 nets, routed with 137 tracks and 42 vias.
It is built around the MAX3483CPA+ and MAX3051EKA. Its parts include 4 capacitors, 3 ICs, 1 resistor, 1 connector and 1 crystal. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
2README
ESP12E/README.mdProMicro_ESP12E
This module can be mounted to an Arduino Pro Mini, Arduino Nano, Sparkfun Pro Micro, or any other pincompatible MCU running with 3.3V.
Documentation
All files can be found on Github.
Schematic
Layout
BoM
Gerbers
can be found within the Github repository.
Links
License
Copyright Stefan Herold 2020
This documentation describes Open Hardware and is licensed under the CERN OHL v.1.2.
You may redistribute and modify this documentation under the terms of the CERN OHL v.1.2. (http://ohwr.org/cernohl). This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN OHL v.1.2 for applicable conditions
Parts
15| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | SolderJumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm | JP1, JP2, JP3 |
| 2 | C | Capacitor_SMD:C_0603_1608Metric | C1, C4 |
| 1 | 100n | Capacitor_SMD:C_0402_1005Metric | C2 |
| 1 | 10µ | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 120 | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | Conn_01x03 | TerminalBlock_TE-Connectivity:TerminalBlock_TE_282834-3_1x03_P2.54mm_Horizontal | J1 |
| 1 | Crystal | Crystal:Crystal_SMD_5032-2Pin_5.0x3.2mm | Y1 |
| 1 | Logo_Open_Hardware_Small | Symbol:OSHW-Symbol_6.7x6mm_SilkScreen | LOGO1 |
| 1 | MAX3051 | Package_TO_SOT_SMD:SOT-23-8 | U2 |
| 1 | MAX3483 | Package_SO:SO-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | MCP2515-xSO | Package_SO:SOIC-18W_7.5x11.6mm_P1.27mm | U3 |
| 1 | Sparkfun_Pro_Micro | Module:Sparkfun_Pro_Micro | A1 |
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Questions
How big is the ProMicro BUS PCB?
It measures 17.8 × 30.5 mm and has 2 copper layers, 0.8 mm thick.
What parts does the ProMicro BUS use?
15 parts, built around the MAX3483CPA+ and MAX3051EKA. 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 ProMicro BUS KiCad files?
From the clayton13/ProMicro repository on GitHub, at the commit this page was made from: the board is BUS/ProMicro_BUS.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the ProMicro BUS design in my own project?
Its repository states no licence, so its author keeps all rights: ask clayton13 before reusing the design.