I used to love flicking games when I was a child and there was something about making the tracks, easy access to material and the playfulness of it all that stuck with me. In fact I still like flicking games! At a certain point it felt natural for me to start using the new abundant material around: Technology!
In a few hours I had the first glimpse of what would become my new hobby, apparently.
This is an ESP8266, 2 big continuous servo motors and a 3.7V battery inside a cardboard box. Technically speaking the first setup wasn’t so different from what I use today: A WebSocket server on the board and a web page split in 4 areas with different colors, each one sending a different message through a websocket connection with the board.
A few days after building the first one, I made a second one only changing the motors and the housing.
Figuring out how much fun that was, I flashed a second board and build a second car (using the big servos instead of the small ones).
At this point I wanted to test it with other people to make sure me and Bee and we invited some friends over to build cool cars and race.
I kept the green one for longer and even build some new, mode advanced tracks:
You can check the code I used for all those cars here.
When I looked at prices it was kind of shocking to see how expensive those continuous servos are so I repurposed many regular servo motors but the result was not reliable enough. With pretty much the same code I also built versions with a DC motor and a regular servo.