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Mfx link2

GBert·misc·mfx-link2/mfx-link2.kicad_pcb

Mfx link2 PCB layout, top view — open source PIC board by GBert
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About the Mfx link2 PCB

Mfx link2 is an open source PIC PCB design by GBert, published on GitHub. It is a 2-layer board measuring 50 × 50 mm, with 61 components from 39 distinct parts.

Its main chip is the PIC16F1709, from the PIC family. Other key parts include the 6N137, 7805, LM393 and 78L05. By type, the board carries 24 resistors, 13 diodes, 8 connectors, 7 capacitors, 5 ICs and 1 transistor.

From the project

miscellaneous stuff / unsorted

mfx-Booster/Link - SMD Version ==============================

Booster incl. mfx-Rükmeldung zusammen mit einem IBT-2 Modul / SMD Version

Kombination aus mfx-Rückmelder und DCC Booster, der auch MM und mfx kann [](https://github.com/GBert/misc/raw/master/mfx-link/pictures/mfx-BoosterLink_sketch.png)

Der mfx-Booster/Link bietet zusammen mit dem IBT-2 Modul und einem entsprechenden Netzteil eine kostengünstige Erweiterung für eine leistungsstarke Zentrale (8A).

Mfx link2, from the project README
From the project README

Main components on the Mfx link2

6N1377805LM39378L05PIC16F1709

Mfx link2 bill of materials (BOM)

61 components, 39 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
6N137
U1
1
7805
U2
1
LM393
U3
1
78L05
U4
1
PIC16F1709
U5
1
MMBT5551
Q1
1
Conn_01x03
J1
1
Conn_01x04
P1
1
Gleisbox
P2
1
UART
P4
1
I2C
P5
1
CONN_02X03
P6
1
POTI
P7
1
IBT-2
P8
1
ICSP
JP1
1
SW_PUSH
SW1
1
53040C
T1
5
US1M
D1, D2, D3, D4, D5
3
1N4148
D6, D7, D8
1
B5819W
D9
Show 19 more
QtyPartRefs
1
C84256
LEDR
D10
2
US1M
D11, D12
1
LED
D13
4
100NF
100nF
C1, C2, C3, C6
2
10uF
C4, C5
1
1NF
1nF
C7
2
820
R0, R1
1
390
R2
1
22
R3
4
4K7
4k7
R4, R6, R16, R19
1
82
R5
1
1k
R7
7
1k
R8, R9, R10, R11, R12, R13, R14
1
1K5
1k5
R15
1
10K
10k
R17
1
560
R18
2
3K3
3k3
R20, R21
1
10K
39k
R22
1
1K8
10k
R23

Mfx link2 design files

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

Mfx link2: common questions

What microcontroller does the Mfx link2 use?

The Mfx link2 is built around the PIC16F1709, from the PIC family.

How big is the Mfx link2 PCB?

The Mfx link2 measures 50 × 50 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mfx link2?

61 components, from 39 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 Mfx link2 design files?

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

Can I use the Mfx link2 design in my own project?

The repository has no license, so all rights stay with GBert. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Mfx link2 without the hardware?

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

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