Arduino Parking Distance Sensor V2.0

thingiverse

This is a remixed version of my old laser cut parking sensor that can be printed with a 3D printer. It has several key components: 1. Arduino Nano - Available at Amazon.com (https://www.amazon.com/ELEGOO-Arduino-ATmega328P-Without-Compatible/dp/B0713XK923) 2. US-100 Ultrasonic Sensor - Available at Amazon.com (https://www.amazon.com/uxcell-Ultrasonic-Module-Distance-Arduino/dp/B07W1GDPRN) 3. Neopixel Strip (12 dots, adjustable) - Available at Amazon.com (https://www.amazon.com/gp/product/B01CDTEJBG) 4. Strip LED extrusion - Available at Amazon.com (https://www.amazon.com/gp/product/B07KBYQ3JR) 5. MicroUSB breakout board - Available at Amazon.com (https://www.amazon.com/gp/product/B0183KF7TM) 6. 100uf capacitor (optional) - Available in a little Arduino breadboard kit from Amazon (https://www.amazon.com/gp/product/B01ERP6WL4) 7. Small 6mm square microswitch 8. 4 M3x16mm socket head cap screws for the enclosure 9. Some superglue or something to keep the button from popping out 10. Long MicroUSB cable 11. Any old 5v USB phone charger >1A 12. A light bulb socket adapter for the garage door opener - Available at Amazon.com (https://www.amazon.com/Onite-Outlet-Adapter-Standard-Splitter/dp/B01EHAE56S) The .ino Arduino code is in the .zip file, which you can read and edit to change pin assignments on the nano. You can also change colors or other settings as desired. Flash this to the nano using the Arduino IDE. Most current Fusion 360 project is available here (https://a360.co/37qhFZX) if you want to fiddle with it. To power the unit, put a light bulb socket outlet adapter in your garage door opener and run a phone charger and micro USB cable to the unit. When the garage door opens and the light comes on, the parking sensor activates. When assembling, leave the LED extrusion longer than 24 inches so you can see it over the hood of your car. Cut it with a hacksaw and sand/file the edges smooth. The clear cover can be cut too, and will be shorter than the aluminum extrusion for it to fit on the printed parts. To program it, park the car where you want it to stop every time. Hold the button down and wait for the led bar to fill up. When it starts flashing, step away from the sensor and don't get anything in the way. It will take a measurement and flash purple rapidly, then read red (or flicker blue to red). If you back the car up, you should see it turn blue almost instantly, and gradually start filling up with yellow. The 3 large parts should print outside down to the buildplate. The concave part should print upwards. Only the Endcap needs supports to the build plate to support the screw attachment point area. The MicroUSB cap snaps the micro USB board inside the Endcap before the extrusion goes in to hold it all together. Be sure to solder everything first of course, there should be room in the top of the extrusion for extra wire. Enjoy! If you have any questions, please feel free to ask.