I have a traffic light which only has Green and Red lights only.. I got it installed with wiring and arduino board/relay inside and an ultrasonic sensor for distance and i uploaded the code to it.. everything works great. Basically the code is when the sensor reads the distance (150cm= 4.9 ft) or l…

traffic light project!

TomGeorge April 10, 2018, 1:20pm 6

Hi,
Thanks for the info.
OPs circuit,

Tom...