2 layers36 × 36 mm
2 layers36 × 36 mm
Dual serial breakout
chickadee-tech/dsbDual Serial Breakout Polystack mod
- Size
- 36 × 36 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 42
- Nets
- 80
- Pads
- 247
- Tracks, vias
- 965, 94
- Pours
- 4
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 7 Jul 2016
- Updated
- 9 Jul 2016
Overview
Dual serial breakout is an open-source printed circuit board by chickadee-tech, from the chickadee-tech/dsb repository on GitHub, published under the CC-BY-4.0 licence. It is a 2-layer board of 36 × 36 mm with 42 parts on 80 nets, routed with 965 tracks and 94 vias.
It is built around the BSS138, SN74LVC1G58DCK and AT24CS02-MAHM-T, with the SN74LVC1G0832DBV among its other parts. Its parts include 6 fuses, 4 transistors and 4 connectors. It belongs with the interfaces and adapters boards of this library.
Main components
4
BSS138
SOT-23-55℃~+150℃ 1 N-channel 1.1Ω@10V、1.2Ω@4.5V 1.2V 1.7nC@10V 17.5pF 340mA 350mW 50V 6.5pF N-Channel SOT-23 MOSFETs ROHShongjiachengMOSFETs
SN74LVC1G58DCK
SC-70-6-40℃~+125℃ 1 1.2V、1.9V、2.3V、2.4V、3.8V 1.65V~5.5V 10uA 2 300mV、400mV、450mV、550mV 32mA 32mA 6.3ns@3.3V,50pF 74LVC Series Configurable Multi-Function Gate Rear drive protection、Local shutdown mode、Live insertion protection Schmitt trigger SOT-363-6 Logic Gates ROHSTexas InstrumentsLogic Gates
AT24CS02-MAHM-T
UDFN-8-40℃~+85℃ 1,000,000 cycles 1.7V~5.5V 100 Years 1MHz 2Kbit 5ms Hardware write protection function、Noise suppression function、Built-in power-on reset (POR) I2C DFN-8-EP(2x3) EEPROM ROHSMicrochip TechnologyEEPROM
SN74LVC1G0832DBV
SOT-23-6-40℃~+85℃ 0V 1 1.2V、1.9V、2.3V、2.4V、3.8V 1.65V~5.5V 1.7V~5.5V、2V~5.5V 10uA 3 300mV、400mV、450mV、550mV 32mA 32mA 5.9ns@3.3V,50pF 74LVC Series OR Gate、AND Gate Rear drive protection、Level shifting、Local shutdown mode、Live insertion protection SOT-23-6 Logic Gates ROHSTexas InstrumentsLogic Gates
README
README.mdChickadee Tech Dual Serial Breakout Polystack Mod
This mod breakouts out two UARTs for any use. It includes 3.3v to 5v logic level shifting so ensure that all things connected are 5v tolerant.
Documentation
See the wiki for documentation.
Polystack
This mod board is part of the Polystack platform for modular microcontrol systems. More information on the platform can be found at polystack.org.
Support
If you need support with a board you own or have development questions please email support@chickadee.tech or check chickadee.tech/support for other ways to get support.
Contributing
Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.
Setup
Components and footprints for PCB parts are not included in this repository. Instead, checkout the chickadee-tech/kicad-libs repository in the same directory that this repository is checked out in. All part definitions should be relative so that they will load correctly.
Pull requests
For fixes please submit a pull request to the original repository. After the pull request is merged, check the Chickadee Tech Active Contributor Discount (ACD) to see if you are eligible for a discount code to use on your next purchase.
Derivatives
If developing your own version of the Dual Serial Breakout board please remove all Chickadee Tech trademarks and follow the CC-BY license. While not required, please consider open sourcing your modifications so others can learn from your improvements. If you do email support@chickadee.tech and we may choose to add your project to the ACD.
You may also license the Polystack logo for free by emailing support@chickadee.tech. We'll ask for your gerbers to ensure the design complies with specifications laid out here and provide written permission to use the trademark after compliance has been demonstrated.
Parts
42| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 10k | Resistors_SMD:R_0603_HandSoldering | PORT_R1, R1, R2, R3, R4, R5, R6, R7, R8 |
| 6 | 1mm | macrofab:Fiducial | F1, F2, F3, F4, F5, F6 |
| 4 | BSS138 | TO_SOT_Packages_SMD:SOT-23_Handsoldering | Q1, Q2, Q3, Q4 |
| 3 | CONN_01X01 | Measurement_Points:Measurement_Point_Round-SMD-Pad_Small | P2, P3, PORT_P1 |
| 2 | Chickadee 3mm | chickadee:chickadee_3mm_fcu | G***, G*** |
| 2 | G*** | polystack:polystack-bold-0.4 | svg2mod, svg2mod |
| 2 | G*** | polystack:polystack-bold-0.625 | svg2mod, svg2mod |
| 2 | OSHW | oshw:oshw-4mm | G***, G*** |
| 2 | SN74LVC1G58 | Housings_SOT-23_SOT-143_TSOT-6:SC-70-6_Handsoldering | PORT_INV1, PORT_XOR1 |
| 1 | 0.1uF | Capacitors_SMD:C_0603_HandSoldering | PORT_C1 |
| 1 | AT24CS02-MAHM | Housings_DFN_QFN:DFN-8-1EP_3x2mm_Pitch0.5mm | PORT_IC1 |
| 1 | CKD_SANDWICH | DF40-80pin-Header | PORT_IN1 |
| 1 | CKD_SANDWICH | DF40-3-4mm-80pin-Receptacle | PORT_OUT1 |
| 1 | CONN_01X08 | Pin_Headers:Pin_Header_Angled_1x08 | P1 |
| 1 | SN74LVC1G0832 | Housings_SOT-23_SOT-143_TSOT-6:SC-70-6_Handsoldering | PORT_ANDOR1 |
The 38 most common of 42 parts.
Questions
How big is the Dual serial breakout PCB?
It measures 36 × 36 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Dual serial breakout use?
42 parts, built around the BSS138, SN74LVC1G58DCK, AT24CS02-MAHM-T and SN74LVC1G0832DBV. 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 Dual serial breakout KiCad files?
From the chickadee-tech/dsb repository on GitHub, at the commit this page was made from: the board is pcb/dual-serial-breakout.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Dual serial breakout design in my own project?
Its repository publishes it under the CC-BY-4.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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