Free Electronic Circuits & 8085 projects

Electronic projects with circuit diagram and 8085 microprocessor projects.

Electronic road sign or traffic light using 555 and CD4017

Published on Feb 10 2011 // Special measuring and display circuits

Electronic road sign or traffic light using 555 and CD4017.

Electronic road signs circuit as shown. It shows the circuit in part by the 24 LEDs are arranged in 6 groups after the forward direction from the arrow pattern j time base circuit electronic road sign produced by the pulse signal, driving 6 groups according to certain rules LED dynamic display, which play indicate the direction of the effect of the road. Circuit mainly by the time base circuit 555, CD4017 decade counter and display circuit.