HardLabs

Dcc Decoder Devel Board

danielvilas·DigitalTrains·dcc-turnout/board/DccDecoderDevel/DccDecoderDevel.kicad_pcb

Dcc Decoder Devel Board layout, top view — open source AVR/Arduino board by danielvilas

About the Dcc Decoder Devel Board

Dcc Decoder Devel Board is an open source AVR/Arduino PCB design by danielvilas, published on GitHub under the MIT license. It is a 4-layer board measuring 78 × 54.3 mm, with 34 components from 24 distinct parts.

Its main chip is the ATMEGA328P-AU, from the AVR/Arduino family. Other key parts include the 6N137, PC817 and AMS1117-5.0. By type, the board carries 9 resistors, 8 capacitors, 4 ICs, 4 diodes, 3 connectors and 2 jumpers.

From the project

Digital Trains

From PowerDistribution: Power selection from DCC or External 12V supply A switch is OK Auto selecction if possible Power Rails 12V Vin 5V for accesories (servo, rele), Buck * 3.3V for MCU If needed, LDO

Main components on the Dcc Decoder Devel Board

6N137PC817ATMEGA328P-AUAMS1117-5.0

Dcc Decoder Devel Board bill of materials (BOM)

34 components, 24 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
6N137
U1
1
PC817
U2
1
ATMEGA328P-AU
ATmega328P-AU
U3
1
AMS1117-5.0
U4
1
BC560
Q1
1
CRYSTAL_GND24
Crystal_GND24
Y1
1
CONN_01X02
Conn_01x02
J1
1
CONN_01X06
Conn_01x06
J3
1
ICSP
J4
1
DB107S
Rectron Semiconductor
BR1
2
Jumper_NO
JP3, JP4
1
SW_Push
SW1
2
LED
D1, D2
1
1N4148
D5
1
CD1206-S01575
D6
3
100NF
100nf
C1, C3, C4
1
10UF
10uf
C2
2
10UF
10uf
C5, C6
2
22PF
22pf
C7, C8
1
100
R1
Show 4 more
QtyPartRefs
1
3k
R2
1
1K
R3
5
10K
R4, R5, R7, R8, R9
1
1M
R6

Dcc Decoder Devel Board design files

The KiCad project lives in the danielvilas/DigitalTrains repository on GitHub; these links point at the commit this page was built from.

Dcc Decoder Devel Board: common questions

What microcontroller does the Dcc Decoder Devel Board use?

The Dcc Decoder Devel Board is built around the ATMEGA328P-AU, from the AVR/Arduino family.

How big is the Dcc Decoder Devel Board?

The Dcc Decoder Devel Board measures 78 × 54.3 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Dcc Decoder Devel Board?

34 components, from 24 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 Dcc Decoder Devel Board design files?

From the danielvilas/DigitalTrains repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Dcc Decoder Devel Board design in my own project?

Yes, under the terms of its MIT license, which danielvilas chose for the repository.

Can I test firmware for the Dcc Decoder Devel Board without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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