Digital Hot Wheels 64 Scale Finish Line - Remix

thingiverse

NOTE - sensitivity is adjusted with TriggerThresholdLane values Make sure you keep all serial commented out for use. This effects response time. Works with USB (to customize Arduino Nano and power) or 9v battery Start button starts countdown timer for manual starting gate Final shows place of finish and elapsed time in seconds. Video: https://youtu.be/Gd426bAjsRk Arduino Nano v3 4 x GA1A12S202 Log-scale Analog Light Sensor 4 x 0.36" 4-Digit Tube LED Segment Display Module TM1637 Drive Chip 4 x LEDs Arduino code is below NOTE - this uses AREF for 3v so be sure to follow instructions in comment so you don't fry your Nano :) I used supports only on the piece that holds LEDs You will need to make a battery holder for the 9v You will need to cut hole for USB plug (I will modify the original for it when time permits)