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Seial Model Railroad Control

DavidMFlynn·SerialMRRC·Servo 8 Daughter PCB/SMRRC_Servo8.kicad_pcb

Seial Model Railroad Control PCB layout, top view — open source board by DavidMFlynn

About the Seial Model Railroad Control PCB

Seial Model Railroad Control is an open source PCB design by DavidMFlynn, published on GitHub under the MIT license. It is a 2-layer board measuring 60 × 60 mm, with 30 components from 11 distinct parts.

Other key parts include the 74HC237, L7806 and L78L05_SOT89. By type, the board carries 9 connectors, 8 capacitors, 8 resistors, 3 ICs and 2 diodes.

It belongs with the robotics & motion designs in this gallery.

From the project

Serial Model Railroad Control

This is a set of PCBs and software to control a model railroad with RS485 data buss.

Anamation Controller, 8 servos Block Detector, detects voltage across diode/resistor Optical Detector, broken beam or reflected beam

When a command packet is received from RX1 (RS485): Source=any, Destination=Me: Parse and Process the command. Send any requested data back to the sender on TX1 (RS485). Source=any, Destination=Master: Retransmit on TX2 (USB) Source=any, Destination= other than Master or Me do nothing.

Main components on the Seial Model Railroad Control

74HC237L7806L78L05_SOT89

Seial Model Railroad Control bill of materials (BOM)

30 components, 11 distinct parts.

QtyPartRefs
1
74HC237
U1
1
L7806
U2
1
L78L05_SOT89
U3
1
Conn_02x06_Odd_Even
J1
8
Conn_01x03
J2, J3, J4, J5, J6, J7, J8, J9
1
SMA
D1
1
SMB
D2
2
3.3uF
C1, C2
5
0.1uf
C3, C4, C5, C6, C7
1
220uF
C8
8
220
R1, R2, R3, R4, R5, R6, R7, R8

Seial Model Railroad Control design files

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

Seial Model Railroad Control: common questions

How big is the Seial Model Railroad Control PCB?

The Seial Model Railroad Control measures 60 × 60 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Seial Model Railroad Control?

30 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Seial Model Railroad Control design files?

From the DavidMFlynn/SerialMRRC repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Seial Model Railroad Control design in my own project?

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

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