Arduino model railroad switch. 50 per turnout. Node 0 is connected to the two sensors on its channels 0 Jun 25, 2015 · Arduino to control model rail traffic lights. That is described in S-9. We will also use 1 Arduino UNO (named “MASTER CONTROLLER”) to control the rotation of the Tornado and initiate the MOVEMENT CONTROLLER. You could close the gates, ring the bell, delay for four seconds Aug 21, 2018 · What I am trying do do is: Auto-reversing model train engine using Arduino Nano and two limit switches. ino ). Find and click the "Raw" button. Oct 19, 2021 · 1 off Arduino Nano module (5v) On v3 version of PCB Jan 2021, there is are 2 additional components: 1 off momentary TACT PCB Mount Switch Push Button 6x6x5mm. The NCE Snap-It controls one twin-coil turnout for $20. Looking for some help on this following sketch. 2. 5 6 Parts required: 7 1 - arduino uno/mega or compatible. I have developed a Arduino based circuit that uses IR sensors and shift registers to detect train position and then uses an h-bridge circuit to send forward/reverse DC power to throw track switches (turnouts) to divert the train down one track or another based on the Arduino programming. I am only trying to change the light sequence when a train activates a Dec 18, 2013 · Arduino Mega 2560R2 Freetronics Relay 8 Shield Freetronics 16X2 LCD Shield Sparkfun MP3 Player Shield. Connects to JMRI for operation via a computer-based control panel as well as an auxiliary switch and proximity sensor. 9. Sensors S2 and S3 are connected together because if either of these Setting them high, in various combinations, allows the A4988 to drive the motor in increments as little as 1/16 of a step. 1 starting at line 420: connected to the respective Arduino pins. require not only the use of an appropriate sensor but also sensor coordination and communication with some form of model, animation, or layout control. You can also use any DPDT on-off-on momentary switch if you wire it correctly. [code] /*One of more turnouts with 2 leds on control Mar 13, 2021 · The DBM understands signaling on its own, and can independently operate a signal system without need for a computer. I intend to use a Hall Effect sensor to align it with the tracks. Just turn on the power and your train Automating model railroad layouts using Arduino microcontrollers is a great way of merging microcontrollers, programming and model railroading into one hobby. The NCE Switch-It 8 controls up to 8 slow-motion turnouts for $70, so $8. “The voltage level is quite important as a lot of DP4 - Advanced DCC Controlled Switch Motor. The original turnout/point mechanism has a plastic spring that provides a bit of pressure and pushes the flanges/moving bits into the rails so accuracy isn't crucial. A 12-volt DC power source. This very simple scheme allows you to quickly get the train on your schedule. The project is at an early stage – thus far, laying out how to set up an Arduino Uno using a Jan 19, 2017 · An Arduino board, a servo for each turnout and my DCC layout. Suppose you want your level crossing to close for four seconds. Features include directional signal lights, independent block occupancy Mar 31, 2023 · I've started working on building switch machines from servos for my layout. After the train has left and the turnouts have switched to disconnect the siding from the mainline, the microcontroller turns down Feb 7, 2018 · Hi all, I am new here. As per usual, it's not recommended to power too many off the USB 5v. Feb 17, 2020 · This is a model railroad signal control sketch. Switch two (LSR2) Limit Switch Right trigger stops train (output 1 high, output 2 high) Delay 5 seconds, Then (output 1 low, output 2 Feb 5, 2024 · Hi I am using this sketch to control up to 3 sets of signal lights on a model (Marklin) Railway and as my Arduino (C+) program skills are almost none existent , but I used this sketch i found on an YouTube and intend to use 6 more signals with 6 IR sensors to control 6 sections, wth additional IR sensors so the light will stay on Green till the sensor is triggered and a delay so after the Aug 31, 2018 · I am using one momentary push button switch per turnout and 3 switches for the 3-Way (1 per destination track) and two for the Double Slip. In this video an external switch is used. Programming Electronics Academy Podcast! Easy to use circuits for model railroad signals and layout automation. 9K subscribers. Among its basic control elements are turnouts, usually Jan 19, 2020 · There are many applications in animation and model railroading where sensing a position of a loco or car is convenient and essential for operation. e. be/wMRUYKuBM7IGithub Link to sketch with downloadable schematichttps://github. Apr 27, 2023 · Yes, Arduino is capable of creating an automated model railroad. This a presently pretty successful project that controls 2 servos simultaneously to open or close model railroad track switches on a button push, and changes the colors of led signals as it does. A 'sensored' track. NB: For the memory function on this version V3 of the PCB (Jan 2021) , use Arduino sketch 'DCC_turnout_control_v2_t1_t8_momentary_jan_2021_memory. I use it for a Fleischmann H0 scale turntable with a 400 steps motor and microstepping through a TMC2208 driver. This can handle up to 976 single-color LEDs (warm or cool), 305 RGB LEDs, or some Arduino 1. If you use it to control a single turnout, you can use an arduino nano as your Arduino board. The booms are controlled by small servo-motors. Since then I have been using servos exclusively on all my layouts. This episode looks at using reed swith and magnet to automate the model train so that it automatically stops at the station. 75 per turnout. Some time ago a downloaded a sketch foor controlling 8 turnouts for a modelrailroad. The three Arduino Micros with the colorful USB cables are the sensor nodes, with node 0 to the front. Jul 25, 2023 · The NCE Switch-It controls 2 slow-motion turnouts for $30, so $15 per turnout. All instructions on my site: www. When rotated, it generates 2 pulse signals from which we can deduct the number of rotation steps and the direction of rotation. Simply include this header and then implement the following code. Hi folks. My son has written some sketches (programs) to control the servo for various Arduino model train projects. 0) To begin with the operation, the first train is placed in the passing siding, the power is turned on and the first train leaves the siding for the mainline. Automatically align switches, activate crossing signals and Controlling The Sound Board. I have an ATX Tortoise switch motor tutorialhttps://youtu. Discussions are welcome! PFRR-2W controller for layouts with 2-wire switch machines. I have 2 sensors which can output both digital and analog signals, I'm using digital ones. Contribute to Hardi-St/MobaLedLib_Turntable development by creating an account on GitHub. Only now I would like to control the polarisation of the frog of the turnout. Unlike DC locomotives where to run in reverse you reversed the current, older O scale locomotives required the cutting of power. Jonadams June 25, 2015, 9:10pm 1. A few millimeters here or there is fine. Free Arduino sketchbook of made Arduino projects. Jan 12, 2019 · If you want to implement one on a model layout, this project from DIY & Digital Railworld is for you. Nov 12, 2018 · Steve_Massikker November 12, 2018, 2:45am 1. Powering up can be done manually – by using a switch of some sort – or by automatically from a separate animation control board. Then no CVs are needed. You will hardcode decoder address to code. Oct 6, 2016 · Please note that the pin numbers of LED and LDR has chanced. For each sensor there is a set of signal lights (RED, YELLOW, GREEN). Use 8x MCP and 8x PCF chips and you have 256 Apr 13, 2015 · Define arduino pin usage, which are constants : Note that arduino analog pins can be defined as digtial pins making for the maximum of 8 servo objects in the library. However, running them independent of each other will cpNodes are Arduino-based nodes for the Computer Model Railroad Interface (CMRI) system. So that's up to 128 switches with just two pins. A locomotive running forward, cut power to neutral, cut Nov 1, 2021 · Today we are making a fully automated model train setup using an arduino, a motor driver, and some infrared sensors!Download the Arduino Sketch Herehttps://g Feb 10, 2014 · Model Railroader is the world's largest magazine on model trains and model railroad layouts. A number (5pcs) PFC8575 will be using ULN2803 to turn on gears with a short voltage pulse on command sent from the Keypad. On the arduino, your setup () function runs once and your loop () function runs continuously, for ever, until you turn of the power or upload a new sketch or reset the arduino. (1) An Adafruit Motor Shield V2. trainworld. 0 already comes with the Servo Library in-built. Feb 23, 2013 · michinyon February 23, 2013, 12:12pm 6. For model railroads, Arduino microcontrollers can prove to be a great resource for automating their layouts in a simple and cost-effective way. GML Clock Kit for Rich Gibson. 2 Train control. I thought to modify the existing sketch but i get an error: exit status 1 request for member 'digitalWrite' in Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. In addition to moving the points, I also want to change polarity of the frogs and show the position of the points with LED's on the control panel, at the same time. In that case: it's much easier to use a port expander. Modelers want automated control of the sounds. Jan 18, 2012 · Using Arduino Project Guidance. There is a set of sensors and signals for each direction of travel (left or right). IR Train Detectors: Infrared proximity sensors for detecting model trains on the track. In this project we’re going to put together a simple Arduino train crossing! While practically this project is simply to help you learn how to use buttons, LEDs, and servos in your Arduino project, this train crossing (also called a level crossing) project could be adapted to model train sets with very little work. This is a very useful sketch that you can use for 1 or more turnouts. As with the back-and-forth layouts, the train or trolley must be DC powered and one train detector is needed at each stop. Aug 18, 2016 · I located the original thread when searching for a way for the Arduino to control numerous points/turnouts for a model railway layout. It is HO scale and uses the Digitrax loconet DCC system which sends pwm packets along the rails to decoders in the locomotives and switches. It is free, widely used, and readily available. Here’s my first test configuration on the workbench. The hardware items I used for my train speedometer testbed are: An Arduino UNO class microcontroller board, or more specifically an Adafruit Metro Arduino compatible board. May 18, 2019 · Railroad crossing lights. com. Ta in advance for your help. Product Description. I want to control switch points by using an Arduino Nano, Keypad 4x4 and a 16x2 display. Hello friends! I developed a very simple and cozy model trains control system using an Arduino and Android applications. I am currently working to expand the model railroad at my club. Using ArduinoProject Guidance. anon57585045 February 10, 2023, 3:30pm 16. Switch one (ST1) start train moving to the right (output 1 high, output 2 low) Train starts moving right. Here I will answer all your questions. Automated in this context means that the sounds start as soon as the Arduino is powered up. Apr 6, 2020 · Check out our sponsorwww. A pair of LED are on pins 11 and 12. These nodes allow economic entry at as few as 16 lines and expand to as many as 144 lines per node with I2C peripherals (IOX16/32). Jan 7, 2020 · Project description. I found this code somewhere on the internet and it works for 1 level crossing but I have 2 crossings. Along with that I will need the power supply and a switch on the layout to control the turnout as well. In the end I am going to install one LED per switch, but not right now. The third sketch is to control up to 48 separate A comprehensive tutorial for crafting a 3 Aspect Modular Block Signal Driver designed for continuous and point-to-point model railroad operations. From understanding the basic principles of wiring to common issues and advanced techniques like adding lighting and sound effects, we’ve got you covered. Dec 26, 2022 · Turntable control for model railways with Arduino. This Arduino project recreates the PIC version but also adds the capability to use a … How to make a slow moving turnout motor to control 1 or 2 turnouts with an position indicator LEDs on each leg. So, without any further ado, let's get started! Step 1: Watch the Video. Jan 3, 2017 · I've added a pair of Fritzing drawings to the Switch Machine Controller page. Jul 12, 2023 · I have signaling devices that I thought turned a red, yellow or green led on or off by suppling 12v to the led lights. This is possible thanks to an Arduino MKR 1010 WiFi board that communicates with Wagener’s custom app over the local network. Jul 18, 2023 · Using ArduinoProject Guidance. A SparkFun Qwiic Shield for Arduino (the red board at the top of Figure 1), which is mounted on top of the Arduino and provides I 2 C connections to the two sensors and the Feb 21, 2013 · Hello, I'm working on an automation system for my hobby model train system, n-scale. I really need your feedback. The factory switches and the 751K switches both do that, though one uses electronics to switch the polarity and one uses mechanical switching. This is something I've been researching for quite a while and with the purchase o Jan 2, 2017 · Model Railroad Turnout Control – Arduino MOSFET. It works great. Circuit board dimensions: 2. Arduino project tutorials, wiring diagram, sketches and videos for the model railroader. Mega is recommended2. johntech2011 May 18, 2019, 12:51pm 1. ino' Arduino microcontrollers are a great way of automating model railroad layouts due to their low-cost availability, open-source hardware and software and a large community to help you. Feb 9, 2023 · Now 1 relay will be used to switch a single rail between 1 pair of track legs using all 3 terminals, and the second relay will be used to cut the power to the common terminal on relay 1. One is a breadboard drawing to give a rough idea of how I'll be wiring up an Adafruit Pro Trinket 5V (Arduino-class processor) to a pair of L293D drivers, which together will drive up to 4 KATO single-coil switch machines. Here is the list of all the parts and components required for this project: An Arduino microcontroller. They communicate with each other and with classic C/MRI nodes via CMRInet. The servo is centered on the block and secured with a pair of no. Signaling, actuation, etc. 2. Our goal is to make these turnouts controllable with an arduino Apr 25, 2016 · Does anyone have any experience with using an Arduino to control servo motors to move the points on model railroad turnouts (specifically in HO scale)? I have built a small switching layout with seven (7) turnouts. Automated Model Railroad Layout Running Two Trains (V2. We will see why in the software discussion. Different types of I/O modules can be used based on your specific needs, including output drivers for common-anode, common-cathode and bicolor LEDs. May 23, 2018 · SINCE THIS VIDEO WAS PUBLISHED AN UPDATED VERSION HAS BEEN AVAILABLE CALLED DCC++EXIf you haven't switched to DCC yet on your model railroad, it's about time Feb 18, 2013 · You could use photo resistors under each track so when the train blocks the light hitting them the arduino can trigger the crossing lights. Double-check all of the wiring connections and turn on the power. Things that you will need;1. Most home layouts are using Atlas or Bachmann track with solenoid type turnouts like the one shown here. Add your comments or code to assist Tony below. The system control will be provided by an off/on switch for the 12 volt dc power for the system. But no major turnout maker has a decoder embedded product yet. Those pins control the motor direction and, yes, there is a good reason to let the Arduino control them instead of simply connecting a switch to the module. Mar 29, 2017 · Hello, I'm into making a simplified switching control of my Model Railway with 40 switch points. The reed switch is a switch which is activated when a suitable magnet comes into range. Some of my track Controlling your solenoid switch machines on your model railroad is relatively easy using some simple tech such as an Arduino, solenoid switch machine, a rel An Arduino microcontroller compatible with the Adafruit Motor Shield V2. Whenever you use a separate power supply, the servo ground has to connect to both the power supply ground and the Arduino ground. The method was based on using a bipolar power supply, Tortoise switch machines, Jan 16, 2016 · Using Arduino Project Guidance. Oct 16, 2020 · Brief explanation of how I am controlling my turnouts using Arduino Mega and PCA9685. Using ArduinoProgramming Questions. The Java Model Railroad Interface (JMRI) is one such control that I . Feb 17, 2024 · Once setup, the user has complete control over the realistic lighting and that adds a whole new dimension to model railroading. I mount the servo motors under the turnouts on ¾” square blocks of wood, 2″ long, as shown in fig. I am fairly computer savvy, however have no idea where to Welcome back everybody! Make sure that you subscribe so that you are eligible for the 5K giveaway! Today we are tackling something that a lot of you have b May 16, 2021 · But you can do it "Arduino style". ”. As such, I added a 4-way DIP switch between these three pins and the +5v rail, to allow me to try them. It’s a simple one-on one-off system. Rasputen, Aug 5, 2023. It's near the top of the code block about 2/3 the way over on the right side of the screen. These signals are activated by an IR detection sensor embedded in the tracks. For example Jun 27, 2011 · Introduction In an article in the August 2011 Model Railroader, I described a method to control yard ladders with a single rotary switch. Jan 13, 2019 · Fun with Arduino 25 Rotary Encoder with Switch A rotary encoder is a digital device, approximately the size of an analog potentiometer. At this point in the build, I wasn't sure what resolution I would need. Source code for Arduino PWM motor control; Model Railway Automation - part 4 - Train Detection with a Reed Switch. Overview The throttle system consists of two required units plus a… This comprehensive guide on model train wiring for dummies covers everything you need to know to get started with your model train layout. Oct 6, 2021 · I’ve made a simple 3d printed turntable for the model railway I’m building for my grandson and want to control it from an Arduino. 6 inches (74 x 91 mm) Continuous loop with station stops. There are many excellent Grade Crossing sketches out there, this board supports Jon Schmidt's sketch. The Arduino board has its inputs looking for highs and lows from things like block occupancy detectors and switch point positions (normal/reverse). Required components: Apr 11, 2021 · Arduino Multiple Turnout Control Using Momentary Contact Buttons LEDs On Control Panel And Each Leg Of The Turnout. Sensors are 1 and 2, level crossings are 3 Arduino sketch for controlling a Ferris wheel animation motor on a model railroad. The NCE Q-Snap controls 4 twin-coil turnouts for $70, so $17. PCA96853. 7kΩ Resistor. Everything should be connected to the I2C bus devices, to simplify wiring. (With a delay in turning them off once the normal light level has returned) You could probably run them in series or independent and either would work. Arduino pins 0 & 1 are here reserved for any serial communication i. 47. Sumner likes this. 3 track feeders(One for mainline and the rest two each for a reverse loop). 4 a model train between two gates made of a LED and LDR. Choose Options. system January 18, 2012, 9:06pm 1. The program is written for the Arduino to operate the servos. Worked fine on the breadboard, but not with the equipment. The idea was to later adapt the sketch from 12 servo's to 24, once I had got it up and running to enable me to use one toggle switch to control one servo to operate/switch one set of points. The switch motors are Circuitron Tortoise slow motion switch machines. It is enough to react to single packet only then: {preamble} 0 10AAAAAA 0 1AAACDDD 0 EEEEEEEE 1. 6 x 3⁄8″ panhead screws. It features direct detection of photo transistors (no external resistors or comparators required) for the approach and island circuits for a single track. Turns out, the Chinese who built the signal device did not wire it with 3 positives to the led's and a common ground, but a The easiest way to copy the code to your Arduino IDE is to. There are 8-port expanders (PCF8574, MCP23008) or 16-port expanders (PCF8575, MCP23017) that connect over I2C, and you can connect 8 of those to a single I2C bus. By changing the schedule parameters in the sketch, you can create any type of automatic movement. You can see to the left the first two sensor track sections with an N-gauge PORTRAM model. We have a yard that has about 60 switches, each powered by a Tortoise Jan 15, 2015 · In Model Railroad applications, given that we’re already routing track power, routing a few amps of +5 volt power to supply actuators like servos is a no-brainer for performance and system integrity. 3 This code is developed to "test" drive. The shape of tracks you can see on image 1. To control these devices, a decoder must be the interface to loco/turnout etc. 1 /*. I also discuss the challenges I Nov 1, 2021 · As @DonR said, Kato switches require a dc power supply with a momentary switch that reverses polarity. More professional layouts use slow moving motors like the Tortoise. The controller module is simply the Arduino processor with the controller code installed. The basic idea is to initialise the Servo on a specific pin (they only require one pin to be controlled) and then hook up the external power source. The Sketch. It can operate up to 32 signals and 32 switches. You can adjust the movement time and the train stop time. Arduino can be programmed to control your model railroad’s locomotives and other vehicles, sound effects, lighting systems, signals, etc. There is already one pretty good solution out there, but it is very proprietary and for that reason I'm trying to use Arduino. With the need to control 2 pairs of track, I can get by with 4 relays. One of the projects we are working on is Turnout Control. Jun 9, 2023 · Another method for adding LED indicators would be to use a separate micro switch, actuated by the turnout throw bar. #13. Sep 1, 2021 · Kushagra’s approach to automating a model railway starts with a basic oval track layout, Raspberry Pi Pico, and an L298N motor driver, which he favours because of its +/- 5 V on-board voltage regulator, which can be used to supply power to any attached microcontroller and other modules. Provision is made for cross buck LEDs (cut-able pads are provided Apr 23, 2019 · Back in 2016 I wrote the article Turnout Control with Servos . By simply turning the rotary switch, all turnouts would automatically line up for the selected yard track. It is a work in progress but I think it’s 95% complete. The signal is red-yellow-green over red-yellow-green, modeled after the new CTC systems. The pin numbers of motor control are fixed. I would like to use Arduino to control switching on my model railroad and I need a bit of help. The second is to control a single servo – it is very useful to determine the angles required to change the point from straight ahead to turn. Step 2: Get All the Stuff. 290. This Arduino-based system supports both DC and DCC, providing a simple and effective solution for managing block occupancy. 6K views 2 years ago Arduino Inspired by some of some of Geoff Bunza’s work, John Cornell used an Arduino Uno to control level crossing (grade-crossing) booms and LED flashers. I have learned much since then and have changed some of the ways I … Mar 17, 2018 · wvmarle March 19, 2018, 3:28pm 7. 00. 9 x 3. The first sets the servo at 90 degrees. com/DIYandDigitalRR/Multi-Tortoise- This is the first part in a three part guide on how to connect servo motors to an Arduino and control them using JMRI in order to throw points or operate sem Feb 18, 2022 · DCC is a way to address/communicate to devices (loco/turnouts/whatever) via data encoded on the tracks. May be used as a reflective detector (sensors in the roadbed) or as an interrupt detector (sensors look across the track). For non modelrailroaders: the frog is where the straith and siding rail meet. $24. comEntry Videohttps://youtu. 10 male to male jumper wires. May 7, 2023 · Hii I'm working on my final project for high school and my theme is model railway with locomotive on remote control. $250. . I have 4 IR sensors S1, S2, S3, and S4 all in a row connected to a Nano on pins 8, 9 and 10. 1 off 4. Then you must compile code for every single decoder. bassweasel July 18, 2023, 4:29am 1. It works fine with stepper motors with and without gear. All prices are in This page describes the “final” design of my Arduino-based model train throttle as it has been implemented and tested. 2 'Sensored' tracks. Arduino 2-in-1 Model Train Controller: Forty years ago I designed an op-amp based model train throttle for a couple of friends, and then about four years ago I recreated it using a PIC microcontroller. The Arduino code for the controller module has been made customizable to different Arduino models. cpNode can be run with standard software which Feb 5, 2019 · Arduino Train Crossing Project. for debugging or future inter comm between arduino units. In the code, you define one or more triplets of digital I/O pins, one triplet for each switch machine you will be controlling. It has capabilities to monitor trains and track to enable control and signal systems for virtually any model railroad layout. The details of John’s project are described below. There are a few switch machines that has decoders embedded. So the interesting thing about O gauge Model Railroading is that the this is a three rail system that uses AC rather than DC. Model railroad supplies: 2 turnouts(One for each reverse loop). Power up the Arduino board and the motor driver by connecting either the VIN and GND pin respectively to 12-volt power and ground respectively or by connecting the barrel connector of the adapter to the power socket of the Arduino board. Here is a simple and easy way to get started with model railroad automation with Arduino. Apr 25, 2014 · Jim added a pair of SPDT microswitches that are operated by the actuating arm to operate the frog polarity and signaling circuits. 99. Arduino 2-in-1 Model Train Controller: Page 2 Sep 27, 2014 · You could put two of them or limit switches to tell the servo when it has reached the desired position. Hi everyone, My dad has a model railway, which he wants to have automated traffic lights on, which will detect an approaching train, go green, then cycle through yellow to red. Arduino. The Layout requires; Mega 2560R2 directly driving Servo Motors to operate Track Points Mega 2560R2 operating variable Lighting effects Relay 8 Shield driving Relays to control Track Polarity and Switching MP3 Player Shield to play Sound Bites Join us on this exciting conversation about Arduino Model Railroads with DIY Jimmy. This is because of its versatile capabilities and millions of project examples available online. With this method the LEDs can be on a separate power supply and thus not damaged by the high voltage spike when the motor is reversed. An L293N motor driver module. It will open the code on a new page. One of the switches from the DIP switch wasn't Step 8: Power Up the System. It works! Feb 1, 2021 · Arduino Switch Control! Installing the Kato Multi Switch Control Project on a Model Railroad! DIY and Digital Railroad. Sep 17, 2018 · Welcome back everybody! Be sure to subscribe! Today I am tackling something that honestly made me a bit nervous to try, installing infrared sensors on exis Sep 11, 2018 · The Java Model Railroad Interface (JMRI) is an elegant but sometimes complex application growing in popularity beyond its fantastic facility to ease DCC decoder setup. Wrote a program for Arduino to do this based on a train being on certain parts of the track. arduinorailwaycontrol. Open the code by doing one of the following: Click on the file name ( Fast_Clock. 5 In this video I show how I designed an HO scale model railway turntable using a stepper motor, an arduino, and my 3D printer. We feature beginner and advanced help on all model railroading scales, including layout track plans, model railroad product reviews, model train news, and model railroad forums. There are a bunch of projects available on running a train autonomously on a model railroad but after some time, a single train starts to get a bit boring. be/kQfHxMDLPIIToday we are reworking my signal system into a simpler and more prototypical sy Sep 17, 2018 · set up block signals for a model railroad. Track sensor network, workspace edition. 8 1 - arduino motor shield R3. Depending on the combinations of inputs that are high, I want Oct 23, 2012 · Using Arduino Motors, Mechanics, Power and CNC. Train acceleration and braking are also configurable. ru gm nl ku lp dm kl mu kd in