2 layers100 × 88 mm
2 layers75 × 30 mm
Digital Trains
- Size
- 75 × 30 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 22
- Nets
- 16
- Pads
- 51
- Tracks, vias
- 67, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 14 Feb 2019
- Updated
- 2 Mar 2025
Overview
DCC is an open-source printed circuit board by danielvilas, from the danielvilas/DigitalTrains repository on GitHub, published under the MIT licence. It is a 2-layer board of 75 × 30 mm with 22 parts on 16 nets, routed with 67 tracks and 0 vias.
It is built around the BC560. Its parts include 5 resistors, 5 diodes, 2 ICs, 2 connectors and 1 capacitor.
Main components
1README
README.mdDigitalTrains
Digital Trains is a repository for storing and sharing my DCC/LCC setups
Up to Date this contians Circuits, boards and projects usefull for my model layout. Each folder is a project I started. some are finished, others are Work In Progress
| Folder | Description | Status1 |
|---|---|---|
| ArduinoDCC++ | Board for use whit DCC++ | Deprecated for DccBlocks |
| Breaker | DC breaker board, shorts protections | Frozen, no need on DCC2 |
| dcc-turnout | Board to control a turnout with servo | Alive - prototype phase |
| dcc-turnout-config | Tool to configure the dcc-turnout boards | Alive - conceptual design |
| DccBlocks | Components to create a DCC system whit DCC++. Has subprojects | Stall - currently works, needs update to DCC++EX |
| docs | Different documents may be usefull | Alive - Slow |
| Esp32Lcc | Use an ESP32 as node for LCC | Stall - Reading about |
| Interfaces | Reference Designs to add conectivity | Done - until new needs |
| kibot | Yaml Config for kibot scripts.. | Done - until new needs |
| Libs | KiCad Libraries | WIP |
| MimicPanel | Hardware and software to create Mimic Panels | WIP |
| pcbdraw | PcbDraw Library | WIP |
| STM32103_Devel | STM32F103 Custom board | Depecated for refenece repository |
Versioning
First projects uses a folder per version system, easy to follow, easy to view older versions, but mess the file system.
Current system based on tags, and the creation of doc directories with PDFs of the schematic and the layers.
Tags of projects
- db_dt_VERSION -> DccBlocks/Detection
- dt_VERSION -> DccTurnout
- dt_ms_VERSION -> DccTurnout/Modules/ServoPmosModule
- db_abc_stop_VERSION -> DccBlocks/ABC/AbcStop
- db_pd_VERSION -> DccBlocks/DccPowerDistribution
- i_lb_esp32_VERSION -> Interfaces/LocoBufferEsp32/board/LocoBufferEsp32
- i_lb_esp32_c_VERSION -> Interfaces/LocoBufferEsp32/board/LocoBufferEsp32Craddle
Footnotes
Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5 |
| 4 | MountingHole | MountingHole:MountingHole_2.7mm_M2.5 | H1, H2, H3, H4 |
| 2 | 10k | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R4, R5 |
| 2 | Jumper_NC_Small | Jumper:SolderJumper-2_P1.3mm_Bridged_RoundedPad1.0x1.5mm | JP1, JP2 |
| 1 | 100 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1 |
| 1 | 100uf | Capacitor_THT:C_Disc_D3.0mm_W1.6mm_P2.50mm | C1 |
| 1 | 1K | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R3 |
| 1 | 3k9 | Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R2 |
| 1 | 6N137 | Package_DIP:DIP-8_W7.62mm | U1 |
| 1 | BC560 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | Conn_01x04 | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J2 |
| 1 | PC817 | Package_DIP:DIP-4_W7.62mm | U2 |
| 1 | Screw_Terminal_01x02 | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J1 |
Questions
How big is the DCC PCB?
It measures 75 × 30 mm and has 2 copper layers, 1.6 mm thick.
What parts does the DCC use?
22 parts, built around the BC560. 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 DCC KiCad files?
From the danielvilas/DigitalTrains repository on GitHub, at the commit this page was made from: the board is Interfaces/DCC/DCC_0.0.1/DCC.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the DCC 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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