Automatic railway crossing using Arduino
To automatically moving the barriers when passing a train, the original sketch and two conventional infrared sensors Arduino are used.
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The Modern DC Control Wireless System for All Model Railways
The project has been named URB (Universal Railway Bus), consists of three parts — a Android App, rules for applying and writing Arduino Sketches (Protocol), and any Arduino hardware. You can interconnect any number of Arduino boards in series, or using a URB topology. Thus, there are no hardware restrictions on the number of devices (turnouts, signals, lights, crossing mechanisms, and other railway items).
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Sensors and Automatic Train Control
Integration into the system of sensors and several motor-drivers control algorithms allows you to build any automated train movement system. You can build real-life interlocking and play as the main station master.
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Universal model railway turntable. Final episode.
The URB system can control any mechanisms on the railway. As an example, I have developed an original design of a turntable. The basis of this turntable is Body Twister Fitness circle.
I have been designing and assembling this device for six months and this video shows the final result. If you are interested in watching the process of creating this mechanism, then write and I will publish the rest of the videos of creating the turntable.
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The DIY super slim lifting gate mechanism for railway crossing
The mechanism is made in such a way as to fit completely into the space under the crossing of the move and not to leave its dimensions. This mechanism converts the translational motion of the thrust from the servo to the rotation of the barrier and at the same time has a damper. The horizontal angle of the thrust vector can be set by you in a wide range.
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Relay cabinet as box for Arduino IR sensor module for train detection
As a development of the idea of an infrared sensor module, I propose a way to mask this system on your railway layout.
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PWM frequency test of real model trains
The default PWM sampling frequency for ATmega328 and ATmega2560 is from 500 to 1000 Hz, depending on the selected GPIOs and Timers of MCU. These frequencies are in the sound range, and you can hear the unpleasant squeak of the engine of the locomotive, especially at the start moving. Preconceived opinions of some modelers is the need to set the PWM sampling frequency above 16 kHz so that this squeak is not audible. This is the wrong opinion – the higher the PWM frequency, the worse the traction characteristics of the DC motors.
My experience gained as a result of my own experiments is confirmed by manufacturers of model locomotives with DCC control – do not increase, but rather lower the frequency. The frequency of the PWM on DCC decoders is about 100 Hz.
This video shows the relationship between the frequency change and the movement of the locomotive
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Original Arduino IR sensor module for train detection
On this module I separated the infrared sensor emitter and receiver. These details deployed relative to the rails by 45 degrees and are located at a certain height above the rails. Also on the receiver is a black slit mask that removes stray radiation.
The height of the sensor and the IR-LED above the rails for different scales is selected experimentally based on the minimum horizontal continuous line of wagons in your collection.
This design allows you to get a guaranteed signal of the presence of a train at the sensor zone. The system works correctly at any speed of the train, any the number of cars or types of cars and any length of the train.
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3. Introduction to URB system. Sensors
Themes:
- Sensor's events. Latch mode
- Boolean variables
- Analog and digital sensors. Signal processing
- Several sensors as one
- Train autostop example (using AWS feature)
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5. Introduction to URB system. Interlocking Games.
Real railway layout working on CTC. Example of gaming.
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4. Introduction to URB system. Centralized traffic control system
Themes:
- Centralized Traffic Control (CTC)
- Main CTC problem in the management of model railways
- Feedback as on real railway. Multicontrol
- URB: indicate of state of track anywhere
- Arduino Train DUO as dispatcher
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How set unique name to your Bluetooth HC-06 module
Rename your HC-06 using AT commands
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Double Slip Switch vs. Two Turnouts
Why is a Double Slip Switch used instead turnouts
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DIY Rudder Pedals for Flight Simulators. Part III. Final design.
Presentation of the final design of the rudder pedals from the fitness stepper. Design features and manufacturing method.
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1. Introduction to URB system. Remote control
Themes:
- Serial communication
- I2C bus. Routing. Wire Library
- Arduino IDE Terminal
- Software serial library. Functions.
-Working a Remote Control example
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2. Introduction to URB system. Power& Accessories
Themes:
- Power supply for URB units. Maximum current
- Pulse with modulation (PWM) pins of Arduino
- Example of connections
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How make G-code
Hello, again, railway modellers!
I hope you are interested in the topic of using CNC and 3D-printers
to accelerate your layouts development and implementation of
your ideas.
It seems to me that the main obstacle to mass application in
machine tool modeling is the complexity of programming parts.
This is a really incomprehensible and complex process, and it is
further complicated by the software. I do repeat the thesis from
the previous video, I am of the opinion that using a CNC should
be no more difficult than using your usual hand tools.
I think I've found a solution...
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CNC 1310. Update firmware to Grbl 1.1h
How to update GRBL Control Board to GRBL 1.1h
Step-by-step instruction
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CNC 1310. Upgrade Spindle. Configure GRBL.
GRBL instructions - https://github.com/gnea/grbl/wiki/Grbl-v1.1-Configuration
Candle app - https://github.com/Denvi/Candle
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CNC 1310. Correct assembly of the Anti Backlash unit
This is first video about my CNC 1310. I'm going to use it for railway modelling hobby and show you its capabilities.
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Wireless Railway Unit (WRU) vs URB unit
The Wireless Railway Unit is compatible with all sketches, algorithms and Protocol of the URB project. The only difference is the use of wireless data transmission instead of wired buses. You can mix WRU with URB units or other microcontrollers (MEGA, ESP and etc.) in any way.
Available only for members of URB Club.
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Programming Arduino sketch for railway turntable
Using A4988 driver for turntable position control. Coding sketches.
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URB unit - universal electronic device for controlling a model railway
Simple and cheap solution for model railway control
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Lesson 01. Arduino IDE - operations with multiple sketches
Introduce to hardware for URB railway control system
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