Test your radar detector or laser jammer with this traffic enforcement LIDAR gun simulator

Step 2 Schematic

Next wire up the 10K ohm Potentiometer, one lead goes to ground, the other lead to AREF (+5V), and the middle lead (selector) to analog pin 0 on the arduino.  This pot will allow you to make your selection of twelve lidar guns -- one of them is the same gun but with stealth mode activated.