Mobile infra red transmitter built with arduino
Starts flashing traffic preemption signals as soon as unit is powered
!not legal for use on any public roadway!
!for research and learning only!
Parts used 50w 940nm cob ir led that uses 14v (no need for current limiting resistors when used with 12v cig lighter plug in car) P30N06LE mosfet to switch negative to the IR led cpu cooler with fan (aliexpress options with focusing lense for $15 usd) cigarette lighter plugin with a convinent power switch buck converter to take 12-14v down to 5v for ESP