2 layers27.9 × 27.9 mm
SensorBasic
rmemory/microcontroller_header
The purpose of this project is to design a hardware (PCB) header which can be used as an interface from general I/O hardware to any uC of choice.
29 parts
4 layers111.8 × 81.3 mm
Pi Shield
IdleEngineers/Pi-ShieldPi Shield expansion and protection board for Raspberry Pi
- Size
- 111.8 × 81.3 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 40
- Pads
- 201
- Tracks, vias
- 511, 27
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 15 Jun 2014
- Updated
- 14 Jul 2014
Overview
Pi Shield is an open-source printed circuit board by IdleEngineers, from the IdleEngineers/Pi-Shield repository on GitHub. It is a 4-layer board of 111.8 × 81.3 mm with 32 parts on 40 nets, routed with 511 tracks and 27 vias.
It is built around the DS7505S+, MAX7313AEG+T and DS3231S#, with the TXB0108PW among its other parts. Its parts include 11 connectors, 7 resistors, 5 capacitors and 4 ICs.
Main components
4
DS7505S+
SOIC-8Temperature SensorsMaxim Integrated (Analog Devices)
MAX7313AEG+T
QSOP-24-150mil-40℃~+125℃ 16 2V~3.6V 400kHz Cascading and address extension、Built-in LED driver、PWMOptocouplers I2C Interrupt Output Open-drain QSOP-24-150mil I/O Expanders ROHSMaxim Integrated (Analog Devices)I/O Expanders
DS3231S#
RTC, I²C, ±3.5ppm, SOIC16Maxim Integrated (Analog Devices)Uncategorised
TXB0108PW
TSSOP-20-40℃~+85℃ 1 1.2V~3.6V 1.65V~5.5V 100Mbps 8 Automatic direction detection、Power-off protection、Output enable high-impedance Bidirectional Level translator Tri-State TSSOP-20 Translators, Level Shifters ROHSTexas InstrumentsTranslators, Level Shifters
README
Readme.mdPi Shield
This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/4.0/.
Here Be Dragons
We want to get the project in front of people, but be warned, we have bugs in our current design. Version 1.0.0 is only partially functional due to some physical problems in our design.
We are currently troubleshooting the problems and fixing the design for version 1.1.0. You can see current details by following our Pi Shield blog.
Precursor
This project is just getting off the ground, so please bear with us as we develop the documentation and get the source files online. Thanks!
The Project
Pi Shield is an open source expansion to the Raspberry Pi ensuring that technological knowledge is accessible to everyone. Providing new functionality and expanded I/O access.
Usage
TODO: Write section
Contributing
- Fork it ( http://github.com//Pi-Shield/fork )
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request
Parts
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 0 | SM0603 | R1, R2, R3, R4, R5, R6, R7 |
| 5 | 1uF | SM0603 | C1, C2, C3, C5, C6 |
| 4 | CONN_1 | 1pin-no-silk | P8, P9, P10, P11 |
| 2 | 10k | R_10k_bus_8qty | RR1, RR2 |
| 2 | CONN_1 | 1pin | P6, P7 |
| 1 | 3V | BAT-HLD-CR2032-on-board | BT1 |
| 1 | CONN_11 | PIN_ARRAY_11x1 | P3 |
| 1 | CONN_11 | PIN_ARRAY_11x1_0-2in | P5 |
| 1 | CONN_13X2 | pin_array_13x2 | P1 |
| 1 | CONN_16 | PIN_ARRAY_16x1 | P2 |
| 1 | CONN_16 | PIN_ARRAY_16x1_0-2in | P4 |
| 1 | DS3231 | SO16E | U1 |
| 1 | DS7505 | SO8N | U3 |
| 1 | LOGO | LOGO | G*** |
| 1 | MAX7313AEG | SSOP24 | U4 |
| 1 | OSHW-logo_silkscreen-back_7mm | OSHW-logo_silkscreen-back_7mm | G*** |
| 1 | TXB0108 | TSSOP_PW_20 | U2 |
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Questions
How big is the Pi Shield PCB?
It measures 111.8 × 81.3 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Pi Shield use?
32 parts, built around the DS7505S+, MAX7313AEG+T, DS3231S# and TXB0108PW. 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 Pi Shield KiCad files?
From the IdleEngineers/Pi-Shield repository on GitHub, at the commit this page was made from: the board is Hardware/PiShield/pi shield.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pi Shield design in my own project?
Its repository states no licence, so its author keeps all rights: ask IdleEngineers before reusing the design.