LED Traffic Light Module
So far all of these that I've seen have a resistor built in. By also supplying positive voltage to the G, Y or R pins you are able to turn…
HW-505 Tilt Switch Mercury (Hydrargyrum) Module
This page will contain information for the HW-505 Mercury Tilt Switch (Hydrargyrum) Module. module. It will include pinout and specifications. There also will be links to the projects that leverage…