E24-receiver board
mikesmitty·rp24-dcc-decoder·hardware/e24-receiver-board/e24-receiver-board.kicad_pcb
About the E24-receiver board
E24-receiver board is an open source PCB design by mikesmitty, published on GitHub under the CERN-OHL-P-2.0 license. It is a 2-layer board measuring 24 × 8.6 mm, with 21 components from 21 distinct parts.
It belongs with the audio designs in this gallery.
From the project
DIY DCC decoder for model railroad locomotives in an E24 form factor, powered by an RP2350 (Raspberry Pi Pico 2)
Inspired by the rp2040-decoder project by gab-k: https://github.com/gab-k/RP2040-Decoder

E24-receiver board bill of materials (BOM)
21 components, 21 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 505070-2422 | CONN-SMD_24P-P0.35_5050702422 | J1 |
| 1 | TRACK_LEFT | SolderWirePad_1x01_SMD_1.5x3mm | J2 |
| 1 | MOTOR- | SolderWirePad_1x01_SMD_1.5x3mm | J3 |
| 1 | LAMP_FRONT | SolderWirePad_1x01_SMD_1x2mm | J4 |
| 1 | VCC | SolderWirePad_1x01_SMD_1x2mm | J5 |
| 1 | AUX1 | SolderWirePad_1x01_SMD_1x2mm | J6 |
| 1 | AUX2 | SolderWirePad_1x01_SMD_1x2mm | J7 |
| 1 | AUX4 | SolderWirePad_1x01_SMD_1x2mm | J8 |
| 1 | AUX11 | SolderWirePad_1x01_SMD_1x2mm | J9 |
| 1 | SPEAKER- | SolderWirePad_1x01_SMD_1x2mm | J10 |
| 1 | GND1 | SolderWirePad_1x01_SMD_1.5x3mm | J11 |
| 1 | TRACK_RIGHT | SolderWirePad_1x01_SMD_1.5x3mm | J12 |
| 1 | MOTOR+ | SolderWirePad_1x01_SMD_1.5x3mm | J13 |
| 1 | LAMP_REAR | SolderWirePad_1x01_SMD_1x2mm | J14 |
| 1 | CAP+ | SolderWirePad_1x01_SMD_1x2mm | J15 |
| 1 | U+ | SolderWirePad_1x01_SMD_1x2mm | J16 |
| 1 | AUX3 | SolderWirePad_1x01_SMD_1x2mm | J17 |
| 1 | AUX10 | SolderWirePad_1x01_SMD_1x2mm | J18 |
| 1 | AUX12 | SolderWirePad_1x01_SMD_1x2mm | J19 |
| 1 | SPEAKER+ | SolderWirePad_1x01_SMD_1x2mm | J20 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | GND2 | SolderWirePad_1x01_SMD_1.5x3mm | J21 |
E24-receiver board design files
The KiCad project lives in the mikesmitty/rp24-dcc-decoder repository on GitHub; these links point at the commit this page was built from.
E24-receiver board: common questions
How big is the E24-receiver board?
The E24-receiver board measures 24 × 8.6 mm, has 2 copper layers and is 1.04 mm thick.
How many components are on the E24-receiver board?
21 components, from 21 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the E24-receiver board design files?
From the mikesmitty/rp24-dcc-decoder repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the E24-receiver board design in my own project?
Yes, under the terms of its CERN-OHL-P-2.0 license, which mikesmitty chose for the repository.
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