Рет қаралды 8,194
my revised traffic signal setup, with the addition of a 3M 131 PV Pedestrian Signal, I had this 3M Signal sitting in my attic since the early 90's bought it from Dade County surplus, picked up some white LED pv modules to change out the 75 watt par bulbs the Pedestrian signals used, the only place I saw these in use was near UM Jackson Memorial hospital, these 3M Pedestrian signals are quite rare