2 layers65 × 56 mm
2 layers24 × 27.9 mm
OneWireFEC
medo64/OneWireFECNon-isolated 1-Wire master.
- Size
- 24 × 27.9 mm
- Copper layers
- 2
- Thickness
- 0.8 mm
- Parts
- 26
- Nets
- 20
- Pads
- 102
- Tracks, vias
- 232, 27
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 19 Feb 2024
- Updated
- 1 May 2024
Overview
OneWireFEC is an open-source printed circuit board by medo64, from the medo64/OneWireFEC repository on GitHub, published under the MIT licence. It is a 2-layer board of 24 × 27.9 mm with 26 parts on 20 nets, routed with 232 tracks and 27 vias.
It is built around the PIC16F1454-I/P, DS2482S-100 and B2B-XH-A. Its parts include 9 capacitors, 5 resistors, 3 ICs, 2 connectors and 1 inductor. It belongs with the PIC boards of this library.
Main components
3
PIC16F1454-I/P
PDIP-14-40℃~+85℃ 14KB 1KB 2.3V~5.5V 48MHz 8 8 Bit Built-in FLASH PIC PDIP-14 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
DS2482S-100
SOIC-8-40℃~+85℃ 2.9V~5.5V 400Kbps I2C SOIC-8 Interface - SpecializedMaxim Integrated (Analog Devices)Interface - Specialized
B2B-XH-A
插件,P=2.5mm-25℃~+85℃ 1 1x2P 2 2.5mm 250V 2P 3A 5.75mm 7.4mm 7mm Brass K Pin PA66 Through Hole Tin UL94V-0 White XH 插件,P=2.5mm Wire To Board Connector ROHSJSTWire To Board Connector
README
README.md1-Wire Framework Expansion Card
Non-isolated 1-Wire master.
Pinout
To connect to this board, one has to use a 3-pin JST XH connector. The following table represents the pinout, pin 1 being on the left as looking into the expansion card.
| # | Ref | Description |
|---|---|---|
| 1 | GND | Ground connection |
| 2 | DQ | Data |
| 3 | V+ | Positive voltage |
Output voltage is either 3.3V or 5V at up to 100 mA.
LEDs
Left LED signals if serial data is received or sent.
Right LED signals if output is active and there is no fault.
You can check my blog and other projects at www.medo64.com.
Parts
26| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 100n | Medo64:C (0805) | C1, C2, C3, C4 |
| 3 | 1u | Medo64:C (0805) | C5, C6, C7 |
| 2 | 10u | Medo64:C (0805) | C8, C9 |
| 2 | 1K | Medo64:R (0805) | R1, R2 |
| 2 | 3K3 | Medo64:R (0805) | R3, R4 |
| 2 | Jumper | Medo64:JP Dual (1205) | JP1, JP2 |
| 1 | 105444-0001 | Medo64:J USB C 3.2 Edge (24w) | J1 |
| 1 | 120R | Medo64:L (0805) | L1 |
| 1 | 5K1 | Medo64:R (0805) | R5 |
| 1 | B2B-XH-A | Medo64:J JST XH Edge [1WIRE] (3w) | J2 |
| 1 | DS2482S | Medo64:U Transceiver 1Wire [DS2482S-100+] (SOIC-8) | U2 |
| 1 | IN | Medo64:DS (0805) | DS1 |
| 1 | MCP1700 | Medo64:VR Linear 3.3V 250mA [MCP1700] (SOT-23) | VR1 |
| 1 | MIC2091 | Medo64:U LoadSwitch 100mA [MIC2091-1] (SOT23-5) | U3 |
| 1 | Microchip PIC | Medo64:ICSP PIC Pogo (5w) | ICSP |
| 1 | OUT | Medo64:DS (0805) | DS2 |
| 1 | PIC16F1454 | Medo64:U Micro [PIC16F1454] (SOIC-14) | U1 |
Questions
How big is the OneWireFEC PCB?
It measures 24 × 27.9 mm and has 2 copper layers, 0.8 mm thick.
What parts does the OneWireFEC use?
26 parts, built around the PIC16F1454-I/P, DS2482S-100 and B2B-XH-A. 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 OneWireFEC KiCad files?
From the medo64/OneWireFEC repository on GitHub, at the commit this page was made from: the board is hardware/OneWireFEC.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the OneWireFEC design in my own project?
Its repository publishes it under the MIT 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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