Model Railroad Control Systems
Model Railroad Control Systems

MRCS-cpNode-Wemos

Fork project on GitHub

cpNode (2.7" Tyco Rail) processor for MRCS CMRI applications

 

 

MRCS-cpNode-Wemos Version 5.0

First built: 2019-03

Using an outboard CMRI-Net driver board CMRI-Bus-Interface.

Designed for MRCS as an outgrowth of the Core-Wemos project, this version includes CMRI-Net interface circuitry (V4) or interconnect to an external driver board (V5).

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

Download MRCS-cpNode-Wemos.gerbers.zip - Gerber Fabrication files
Download MRCS-cpNode-Wemos.parts - Parts List (spreadsheet data)

 

MRCS-cpNode-Wemos.bom

Parts Value Package Quantity Library Type/Feeder
CMRI-IO 0.100 1X05_LOCK_LONGPADS 1x SPCoast PTH
C2 1.0uF 0603-CAP 1x SPCoast 20
J1 2.1mm DCJ0202 1x SPCoast PTH
U$1 2mm POWER-R2 1x SPCoast PTH
Q1, Q2, Q3, Q4, Q5 2n7002 SOT23 5x SPCoast NONE
CON5 3.5mm SCREWTERMINAL-3.5MM-2_LOCK 1x SPCoast PTH
LABEL1 7.5-12vDC PWR_LABEL 1x SPCoast PTH
R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 10k 0603-RES 10x SPCoast 46
C3 10uF 0603-CAP 1x SPCoast 22
C1 220uF 0810-CAP 1x SPCoast NONE
BOARD BOARD BOARD-DINRAIL-2.7IN-8CM 1x SPCoast PTH
VR5.0 CJ7805 TO-252 1x SPCoast NONE
I2C I2C I2C-L 1x SPCoast PTH
WEMOS Mini-R2 WEMOS-D1 1x SPCoast PTH
OSHW1 OSHW OSHW-LOGO-L 1x SparkFun PTH

MRCS-cpNode-Wemos Version 4.0

First built: 2019-03

WiFi, CMRI and I2C in a MRCS-sized form factor. Designed for MRCS as an outgrowth of the Core-Wemos project, this version includes CMRI-Net interface circuitry (V4) or interconnect to an external driver (V5 - CMRI-Bus-Interface).

Schematic
Schematic
Bot Silk
Bot Silk
Board
Board
Top Silk
Top Silk

Download MRCS-cpNode-Wemos - CHMT Component and feeder definitions
Download MRCS-cpNode-Wemos.gerbers.zip - Gerber Fabrication files
Download MRCS-cpNode-Wemos.parts - Parts List (spreadsheet data)

 

MRCS-cpNode-Wemos.bom

Parts Value Package Quantity Library Type/Feeder
C4 0.1uF 0805-CAP 1x SPCoast NONE
C2 1.0uF 0805-CAP@1 1x SPCoast NONE
R14 1k0 0805-RES 1x SPCoast 6
Q2, Q3, Q4, Q5 2n7002 SOT23 4x SPCoast 42
CON1, CON2 3.5MM SCREWTERMINAL-5MM-3 2x SPCoast PTH
VR5.0 5v TO-252 1x SPCoast 27
LABEL1 7-12vDC POWER_USAGE 1x SPCoast-minimal PTH
R2, R3, R5, R6, R7, R8, R9, R10 10k 0805-RES 8x SPCoast 11
C3 10uF 0805-CAP@1 1x SPCoast NONE
C1 150uF 0810-CAP 1x SPCoast NONE
R1   1/6W-RES 1x SPCoast PTH
RS485IN   1X05 1x SparkFun PTH
RS485OUT   1X05_LOCK 1x SparkFun PTH
J1   DCJ0202 1x SPCoast PTH
CON5   SCREWTERMINAL-3.5MM-2_LOCK 1x SPCoast PTH
CON3, CON4   SCREWTERMINAL-5MM-2 2x SPCoast PTH
C8 .1uF 0603-CAP 1x SPCoast NONE
C6 .01uF 0805-CAP 1x SPCoast NONE
C7 .1uF 0805-CAP 1x SPCoast NONE
D1 BAV-199 SOT23 1x SPCoast NONE
BOARD BOARD80X150 BOARD-DINRAIL-2.7IN 1x SPCoast PTH
J2 CONNECTOR-GROVE-4P-2.0-3470130P1 4P-2.0 1x SPCoast PTH
I2C CONNECTOR-I2CLEFT I2C-L 1x SPCoast PTH
WEMOS D1Mini WEMOS-D1 1x SPCoast PTH
U4 MAX3465CPD DIL14 1x maxim PTH
U3 NE555P DIL-08 1x SparkFun PTH
OSHW1 OSHW-LOGOL OSHW-LOGO-L 1x SparkFun PTH
TX TX 0603-LED 1x SPCoast NONE

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