Electronics > Beginners

Sequential tail lights

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cdev:
They may not be legal...

robjodicarter:
This is a show only vehicle. Not road legal at all.

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Brumby:
Things you will need to address:
 1. How to handle your inputs
 2. Do you have enough outputs to achieve what you want?
 3. Do you need a driver for the outputs to be able to deliver enough current to your LEDs?
 4. How to wire up the LEDs

The microcontroller (eg Arduino) approach will allow you to put this together, once you have a bit of programming experience.  Items 2, 3 & 4 are the physical/electronic considerations and we've mentioned these before.

Item 1 is the front end of the programming exercise.  You have 4 independent inputs: brake, running, indicator and reverse.  Each of these is either active or not - which means you can have 16 individual conditions.  Your programming will need to define exactly what happens in all 16 of those conditions.  This does not mean you need to program 16 different routines - just that when you test the result, it should respond exactly as expected in each of those 16 conditions.

All of this is quite possible - but try not to get head of yourself.  I strongly suggest you get your Arduino kit (the one mentioned looks good - and will have extra bits you can expand your skills with) and start off doing the sequential indicator light project you originally wanted to do.

Mr. Scram:

--- Quote from: cdev on October 25, 2018, 01:55:54 am ---They may not be legal...

--- End quote ---
I wonder how many times we'll see this remark. ;D

robjodicarter:
Ok brumby, I bought the Arduino that is show. Above now I just need to watch some videos in order to figure out how to begin to code the sequential lights. Any good suggestions?
--- Quote from: Brumby on October 25, 2018, 02:59:30 am ---Things you will need to address:
 1. How to handle your inputs
 2. Do you have enough outputs to achieve what you want?
 3. Do you need a driver for the outputs to be able to deliver enough current to your LEDs?
 4. How to wire up the LEDs

The microcontroller (eg Arduino) approach will allow you to put this together, once you have a bit of programming experience.  Items 2, 3 & 4 are the physical/electronic considerations and we've mentioned these before.

Item 1 is the front end of the programming exercise.  You have 4 independent inputs: brake, running, indicator and reverse.  Each of these is either active or not - which means you can have 16 individual conditions.  Your programming will need to define exactly what happens in all 16 of those conditions.  This does not mean you need to program 16 different routines - just that when you test the result, it should respond exactly as expected in each of those 16 conditions.

All of this is quite possible - but try not to get head of yourself.  I strongly suggest you get your Arduino kit (the one mentioned looks good - and will have extra bits you can expand your skills with) and start off doing the sequential indicator light project you originally wanted to do.

--- End quote ---

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