2 bc547 transistors prepared with phototransistor and a simple electronic motor control circuit phototransistor beginners to understand the operation of `simple, a good example .. 5v dc motor control circuit based on working with bred border fototransistör, fototransistör çalışma,... Electronics Projects, Simple Motor Controller Circuit with phototransistor "analog circuits projects, simple circuit projects, " Date 2014/06/22