2 layers80 × 130 mm
ProyectoFinalCarrito2
Carlos-Santos-prog/rc-car-esp32
Vehículo RC de combate con seguidor de línea basado en ESP32. Diseño electrónico completo en KiCad 10.
93 partsMIT
2 layers165 × 127 mm
Motherboard
slimcdk/sdb-xmas-train2Controller software for christmas train at Dagli'Brugsen Stjær
- Size
- 165 × 127 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 75
- Nets
- 87
- Pads
- 242
- Tracks, vias
- 372, 228
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 21 Oct 2019
- Updated
- 5 Dec 2025
Overview
Motherboard is an open-source printed circuit board by slimcdk, from the slimcdk/sdb-xmas-train repository on GitHub. It is a 2-layer board of 165 × 127 mm with 75 parts on 87 nets, routed with 372 tracks and 228 vias.
It is built around the 74HCT125PW and TDA2003. Its parts include 21 resistors, 20 connectors, 18 capacitors, 7 diodes and 3 ICs. It belongs with the computers and single-board computers boards of this library.
Main components
2
74HCT125PW
TSSOP-14-40℃~+125℃ 1 15ns@4.5V,50pF 160uA 4 4.5V~5.5V 6mA 6mA 74HCT Tri-State Unidirectional TSSOP-14 Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffers, Drivers, Receivers, Transceivers
TDA2003
TO-220B-50.15% 1-Channel 36dB 44mA 65%、69% 6Wx1@6Ω 8V~18V TO-220B-5 Audio Amplifiers ROHSGcoreAudio Power OpAmps
README
README.mdStjær Dagli'Brugsens juletog
Normalize audio
$ pip3 install ffmpeg-normalize
$ cd audio
audio$ ffmpeg-normalize -fp -pr --audio-codec libmp3lame -ext mp3 **/*.mp3 --output-folder normalizedParts
75| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | ? | Resistor_SMD:R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R1, R2, R4, R18, R21, R24, R25 |
| 7 | LED | LED_SMD:LED_1210_3225Metric_Pad1.42x2.65mm_HandSolder | D2, D3, D4, D5, D6, D7, D9 |
| 5 | 10K | Resistor_SMD:R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R5, R6, R16, R19, R22 |
| 4 | 1000µF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C10, C12, C13, C14 |
| 4 | 100nF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C9, C11, C15, C16 |
| 4 | 10µF | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C1, C2, C3, C4 |
| 4 | Conn_01x02_Female | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J8, J10, J11, J16 |
| 3 | Conn_01x03_Male | Connector:FanPinHeader_1x03_P2.54mm_Vertical | J12, J13, J14 |
| 2 | 1000µF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C17, C18 |
| 2 | 100R | Resistor_SMD:R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R7, R8 |
| 2 | 10K | Potentiometer_SMD:Potentiometer_Bourns_3314J_Vertical | RV1, RV2 |
| 2 | 1R | Resistor_SMD:R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R13, R14 |
| 2 | 470R | Resistor_SMD:R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R9, R11 |
| 2 | 470µF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C6, C8 |
| 2 | 4R7 | Resistor_SMD:R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R10, R12 |
| 2 | 8n2 | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C5, C7 |
| 2 | Conn_01x01_Female | Connector_Wire:SolderWirePad_1x01_Drill2.5mm | J18, J19 |
| 2 | Conn_01x03_Male | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2, J17 |
| 2 | Conn_01x05_Female | Connector_PinSocket_2.54mm:PinSocket_1x05_P2.54mm_Vertical | J6, J7 |
| 2 | Conn_01x06_Female | Connector_PinSocket_2.54mm:PinSocket_1x06_P2.54mm_Vertical | J5, J15 |
| 2 | TDA2003 | Package_TO_SOT_THT:TO-220-5_P3.4x3.7mm_StaggerOdd_Lead3.8mm_Vertical | U1, U2 |
| 2 | TRANSF5 | Local_Transformer_Audio:MURATA_DA10XJ_Audo_Transformer | TR1, TR2 |
| 1 | 5.1K | Resistor_SMD:R_1210_3225Metric_Pad1.42x2.65mm_HandSolder | R17 |
| 1 | 74HCT125 | Package_DIP:DIP-14_W7.62mm_Socket_LongPads | U3 |
| 1 | Conn_01x03_Female | TerminalBlock:TerminalBlock_bornier-3_P5.08mm | J9 |
| 1 | Conn_01x04_Female | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J1 |
| 1 | Conn_01x05_Female | TerminalBlock:TerminalBlock_bornier-5_P5.08mm | J3 |
| 1 | Conn_01x05_Female | Connector_TE-Connectivity:TE_826576-5_1x05_P3.96mm_Vertical | J4 |
| 1 | Conn_02x20_Odd_Even | Connector_PinSocket_2.54mm:PinSocket_2x20_P2.54mm_Vertical | P1 |
The 73 most common of 75 parts.
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Questions
How big is the Motherboard PCB?
It measures 165 × 127 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Motherboard use?
75 parts, built around the 74HCT125PW and TDA2003. 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 Motherboard KiCad files?
From the slimcdk/sdb-xmas-train repository on GitHub, at the commit this page was made from: the board is hardware/motherboard/motherboard.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Motherboard design in my own project?
Its repository states no licence, so its author keeps all rights: ask slimcdk before reusing the design.