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Flashing Rain Light Mod Tutorial For OpenRC F1 3D Model

It’s been a while since I printed the OpenRC F1 Car 3D Model so it’s time to give it a few updates! For this tutorial, I will show you how you can add a flashing rain light to the back of the F1 car!

They normally use the flashing Rain light on the back of an F1 car in wet weather so that drivers behind know where they are. A bit like your fog lights on your car. If in wet weather, as the F1 cars are travelling at high speed this causes a spray of water which reduces the visibility greatly. There are other means for it as well. For example, if the ERS system is recharging on the car, this warns drivers behind that your car is not at full performance. In other words, just think of it as a warning light.

flashing rain light F1 car

What will I need to make a rain light?

You will need the following components for this flashing rain light mod.

As you can see, this is a cheap mod for a flashing rain light. You obviously will need your computer too in order to upload the code to the Arduino Nano.

components

Let’s get started!

The first thing we can do is get the code loaded onto the Arduino Nano. I got the file by Citrushund on Thingiverse. The file I am using is Blinking_light_V2.ino.

Connect your arduino nano to your computer (it should install automatically) and load up the Arduino software. Within the software, ensure you have the correct port and the correct board selected.

  • Board: Arduino Nano
  • Processor: ATMega328P

In Arduino, go to File> Open, then choose the Blinking_light_V2.ino. You can now just upload this. Done!

Let’s get wired

The Arduino Nano I bought came unsoldered, which means I can solder just the pins I need. And that is exactly what I did for the flashing rain light mod. If you get one already soldered, it will be no problem. Just solder, according to the below. Be sure to thread your wires through the engine case of the OpenRC F1 before you do, otherwise you may struggle to thread the wires through!

OpenRC flashing rain light

As a result, you should have something that looks like this.

arduino wiringTesting

Lets see if our flashing rain light is successful! Connect your wires to your receiver as per the diagram above and turn everything on. For my particular controller, I have a button I can press for channel 3 which allows me to turn it on and off. If yours isn’t working, double check your wiring. To check if the arduino is correctly programmed, you should have a flashing light on this too when you press the button to the flashing rain light. If not, program the code to it again.

Finishing

The LED light for me didn’t stay in place within the diffuser housing, however, when installing the wires of the LED need to be bent up slightly, so this should hold it in place. In addition, I also recommend using electrical tape (or shrink tubing if you put it in place before soldering) to place around the wires where they come out of the diffuser. You can glue in place if required. Put everything in place, screw it all together and you’ll now have a flashing rain light for your OpenRC F1 car! How cool does it look!

taped wires

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