2 layers112.7 × 198.2 mm
Booster Shield
martinfantini/ModelTrains
This repo contains all the information regarding to the model trains project
77 parts
2 layers129.5 × 515.6 mm
Block Detector
martinfantini/ModelTrainsThis repo contains all the information regarding to the model trains project
- Size
- 129.5 × 515.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 134
- Nets
- 101
- Pads
- 356
- Tracks, vias
- 831, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 19 Jan 2024
- Updated
- 4 Jan 2026
Overview
Block Detector is an open-source printed circuit board by martinfantini, from the martinfantini/ModelTrains repository on GitHub. It is a 2-layer board of 129.5 × 515.6 mm with 134 parts on 101 nets, routed with 831 tracks and 0 vias.
It is built around the BC547 and NE556.
Main components
2README
README.mdModelTrains
This repository contains all the necesarry information to develop an model trains mock-up
DCC Central
Here is all the information related to the DCC central, which has a DCC booster, to have more than 2A of the output current.
Expander
Here is the expander connected to the central, to have more input/output configuation.
Occupancy
Here is the Ocupancy board, to know where is the train located.
Control Program
For control all the model trains mock-up, I use the Rocrail. Because I do have the shema of the mock-up already dome.
for the future, I can test it on JMRI, because it seems more programaticlly.
Signal
This is the DCC circuic, which sniffers the DCC signaliing and generate changes for the signals in the mock-up.
Parts
134| Qty | Value | Footprint | References |
|---|---|---|---|
| 16 | 1K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R_Sig_1_1, R_Sig_1_2, R_Sig_2_1, R_Sig_2_2, R_Sig_3_1, R_Sig_3_2, R_Sig_4_1, R_Sig_4_2, R_Sig_5_1, R_Sig_5_2, R_Sig_6_1, R_Sig_6_2, R_Sig_7_1, R_Sig_7_2, R_Sig_8_1, R_Sig_8_2 |
| 9 | Conn_01x02_Female | Connector_Wago:Wago_734-132_1x02_P3.50mm_Vertical | J_DCC_IN_G1, J_Out_DCC_1, J_Out_DCC_2, J_Out_DCC_3, J_Out_DCC_4, J_Out_DCC_5, J_Out_DCC_6, J_Out_DCC_7, J_Out_DCC_8 |
| 8 | 100nF | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C_In_1_2, C_In_2_1, C_In_3_2, C_In_4_1, C_In_5_2, C_In_6_1, C_In_7_1, C_In_8_2 |
| 8 | 1A | Fuse:Fuseholder_Clip-5x20mm_Keystone_3512_Inline_P23.62x7.27mm_D1.02x1.57mm_Horizontal | F_1, F_2, F_3, F_4, F_5, F_6, F_7, F_8 |
| 8 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D_In_1, D_In_2, D_In_3, D_In_4, D_In_5, D_In_6, D_In_7, D_In_8 |
| 8 | 2,2n | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C_Out_1, C_Out_2, C_Out_3, C_Out_4, C_Out_5, C_Out_6, C_Out_7, C_Out_8 |
| 8 | 2200pf | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C_Traf_1, C_Traf_2, C_Traf_3, C_Traf_4, C_Traf_5, C_Traf_6, C_Traf_7, C_Traf_8 |
| 8 | 22K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R_In_1_1, R_In_2_1, R_In_3_1, R_In_4_1, R_In_5_1, R_In_6_1, R_In_7_1, R_In_8_1 |
| 8 | 470K | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R_IN_1_2, R_IN_2_2, R_IN_3_2, R_IN_4_2, R_IN_5_2, R_IN_6_2, R_IN_7_2, R_IN_8_2 |
| 8 | BC547 | Package_TO_SOT_THT:TO-92_Inline | Q_1, Q_2, Q_3, Q_4, Q_5, Q_6, Q_7, Q_8 |
| 8 | Conn_01x02_Female | LED_SMD:LED_2512_6332Metric | J_Bridge_1, J_Bridge_2, J_Bridge_3, J_Bridge_4, J_Bridge_5, J_Bridge_6, J_Bridge_7, J_Bridge_8 |
| 8 | L | Custom_Library:Transformator_Murata | L_1, L_2, L_3, L_4, L_5, L_6, L_7, L_8 |
| 8 | LED | LED_THT:LED_D5.0mm | D_Sig_1, D_Sig_2, D_Sig_3, D_Sig_4, D_Sig_5, D_Sig_6, D_Sig_7, D_Sig_8 |
| 8 | R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R_Out_1, R_Out_2, R_Out_3, R_Out_4, R_Out_5, R_Out_6, R_Out_7, R_Out_8 |
| 4 | NE556 | Package_DIP:DIP-14_W7.62mm_Socket_LongPads | U_1, U_2, U_3, U_4 |
| 2 | Conn_01x04_Female | Connector_Wago:Wago_734-134_1x04_P3.50mm_Vertical | J_Conn_1, J_Conn_2 |
| 1 | 10u | Capacitor_THT:C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal | C_Source1 |
| 1 | 1N5819 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
| 1 | Conn_01x02_Female | Connector_JST:JST_NV_B02P-NV_1x02_P5.00mm_Vertical | Source1 |
The 130 most common of 134 parts.
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Questions
How big is the Block Detector PCB?
It measures 129.5 × 515.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Block Detector use?
134 parts, built around the BC547 and NE556. 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 Block Detector KiCad files?
From the martinfantini/ModelTrains repository on GitHub, at the commit this page was made from: the board is Occupancy/Block-Detector/Block-Detector.kicad_pcb and its schematic DCC Central/Booster-Shield/Booster-Shield.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Block Detector design in my own project?
Its repository states no licence, so its author keeps all rights: ask martinfantini before reusing the design.