This circuit, which can be used as a shield or in other applications, can be found elsewhere on this website. The supply must be made with 5 V.
ON Semiconductor AMIS−3910XGEVB Evaluation Board demonstrates the features and capabilities of the...
This circuit of an Electronics Hobbyists Handbook uses a different configuration for a triac. The...
We found this circuit in the October 1996 Electronics Now magazine. The circuit uses LDRs as...